PRESIDENTIAL PRIMARIES IN YOUR STATE
select a state below to view that state’s presidential primary and registration information
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US States
Alabama
Presidential Primaries:
Democratic Presidential primary: open
Republican Presidential primary: open
Registration: Alabama has nonpartisan registration. There is no option to affiliate with a political party on the voter registration form.
Republican Presidential primary: open
Registration: Alabama has nonpartisan registration. There is no option to affiliate with a political party on the voter registration form.
Alaska
Presidential Primaries:
Democratic Presidential primary: open
Republican Presidential primary: closed
Registration: Optional party affiliation. Voters are given the option to affiliate or not to affiliate with a political party on the registration form.
57% of Alaska voters are registered unaffiliated, undeclared or independent.
Republican Presidential primary: closed
Registration: Optional party affiliation. Voters are given the option to affiliate or not to affiliate with a political party on the registration form.
57% of Alaska voters are registered unaffiliated, undeclared or independent.
Arizona
Presidential Primaries:
Democratic Presidential primary: closed
Republican Presidential primary: closed
Registration: Optional party affiliation. Voters are given the option to affiliate or not to affiliate with a political party on the registration form.
36% of registered voters in Arizona are unaffiliated or independent.
Republican Presidential primary: closed
Registration: Optional party affiliation. Voters are given the option to affiliate or not to affiliate with a political party on the registration form.
36% of registered voters in Arizona are unaffiliated or independent.
Arkansas
Presidential Primaries:
Democratic Presidential primary: open
Republican Presidential primary: open
Registration: Optional party affiliation. Voters are given the option to affiliate or not to affiliate with a political party on the registration form.
Republican Presidential primary: open
Registration: Optional party affiliation. Voters are given the option to affiliate or not to affiliate with a political party on the registration form.
California
Presidential Primaries:
Democratic Presidential primary: mixed
Republican Presidential primary: closed
Registration: Voters may or may not choose to affiliate with a political party.
24% of registered voters in California are unaffiliated or independent.
Republican Presidential primary: closed
Registration: Voters may or may not choose to affiliate with a political party.
24% of registered voters in California are unaffiliated or independent.
Colorado
Presidential Primaries:
Democratic Presidential primary: open
Republican Presidential primary: open
Registration: As of 2016, Colorado has an open primary for presidential, federal, and state elections.
Republican Presidential primary: open
Registration: As of 2016, Colorado has an open primary for presidential, federal, and state elections.
Connecticut
Presidential Primaries:
Democratic Presidential primary: closed
Republican Presidential primary: closed
Registration: Voters may or may not choose to affiliate with a political party, however, affiliation with a party is required to vote in primary elections.
42% of registered voters in Connecticut are unaffiliated.
Republican Presidential primary: closed
Registration: Voters may or may not choose to affiliate with a political party, however, affiliation with a party is required to vote in primary elections.
42% of registered voters in Connecticut are unaffiliated.
Delaware
Presidential Primaries:
Democratic Presidential primary: closed
Republican Presidential primary: closed
Registration: Voters may or may not choose to affiliate with a political party, however, affiliation with a party is required to vote in primary elections.
24% of registered voters in Delaware are not registered with one of the two major political parties.
Republican Presidential primary: closed
Registration: Voters may or may not choose to affiliate with a political party, however, affiliation with a party is required to vote in primary elections.
24% of registered voters in Delaware are not registered with one of the two major political parties.
District of Columbia
Florida
Presidential Primaries:
Democratic Presidential primary: closed
Republican Presidential primary: closed
Registration: Voters may or may not choose to affiliate with a political party, however, affiliation with a party is required to vote in primary elections.
27% of registered voters in Florida are not registered with one of the two major political parties.
Republican Presidential primary: closed
Registration: Voters may or may not choose to affiliate with a political party, however, affiliation with a party is required to vote in primary elections.
27% of registered voters in Florida are not registered with one of the two major political parties.
Georgia
Presidential Primaries:
Democratic Presidential primary: open
Republican Presidential primary: open
Registration: Georgia has nonpartisan registration. There is no option to affiliate with a political party on the voter registration form.
Republican Presidential primary: open
Registration: Georgia has nonpartisan registration. There is no option to affiliate with a political party on the voter registration form.
Hawaii
Presidential Primaries:
Democratic Presidential primary: open
Republican Presidential primary: closed
Registration: Hawaii has nonpartisan registration. There is no option to affiliate with a political party on the voter registration form.
Republican Presidential primary: closed
Registration: Hawaii has nonpartisan registration. There is no option to affiliate with a political party on the voter registration form.
Idaho
Presidential Primaries:
Democratic Presidential primary: mixed
Republican Presidential primary: closed
Registration: Voters may or may not choose to affiliate with a political party when they register to vote. 50% of registered voters in Idaho are unaffiliated.
Republican Presidential primary: closed
Registration: Voters may or may not choose to affiliate with a political party when they register to vote. 50% of registered voters in Idaho are unaffiliated.
Illinois
Presidential Primaries:
Democratic Presidential primary: mixed
Republican Presidential primary: mixed
Registration: Illinois has nonpartisan registration. There is no option to affiliate with a political party on the voter registration form.
Republican Presidential primary: mixed
Registration: Illinois has nonpartisan registration. There is no option to affiliate with a political party on the voter registration form.
Indiana
Presidential Primaries:
Democratic Presidential primary: open
Republican Presidential primary: open
Registration: Indiana has nonpartisan registration. There is no option to affiliate with a political party on the voter registration form.
Republican Presidential primary: open
Registration: Indiana has nonpartisan registration. There is no option to affiliate with a political party on the voter registration form.
Iowa
Presidential Primaries:
Democratic Presidential primary: mixed
Republican Presidential primary: mixed
Registration: Voters may or may not choose to affiliate with a political party, however, affiliation with a party is required to vote in primary elections.
38% of Iowa voters are not affiliated with a political party.
Republican Presidential primary: mixed
Registration: Voters may or may not choose to affiliate with a political party, however, affiliation with a party is required to vote in primary elections.
38% of Iowa voters are not affiliated with a political party.
Kansas
Presidential Primaries:
Democratic Presidential primary: mixed
Republican Presidential primary: mixed
Registration: Voters may or may not choose to affiliate with a political party, however, affiliation with a party is required to vote in primary elections.
31% of Kansas voters are registered unaffiliated.
Republican Presidential primary: mixed
Registration: Voters may or may not choose to affiliate with a political party, however, affiliation with a party is required to vote in primary elections.
31% of Kansas voters are registered unaffiliated.
Kentucky
Presidential Primaries:
Democratic Presidential primary: closed
Republican Presidential primary: closed
Registration: Voters may or may not choose to affiliate with a political party, however, affiliation with a party is required to vote in primary elections.
8% of Kentucky voters are registered unaffiliated or other.
Republican Presidential primary: closed
Registration: Voters may or may not choose to affiliate with a political party, however, affiliation with a party is required to vote in primary elections.
8% of Kentucky voters are registered unaffiliated or other.
Louisiana
Presidential Primaries:
Democratic Presidential primary: closed
Republican Presidential primary: closed
Registration: Voters may or may not choose to affiliate with a political party.
26% of Louisiana voters are not registered with a political party.
Republican Presidential primary: closed
Registration: Voters may or may not choose to affiliate with a political party.
26% of Louisiana voters are not registered with a political party.
Maine
Presidential Primaries:
Democratic Presidential primary: closed
Republican Presidential primary: closed
Registration: Voters may or may not choose to affiliate with a political party, however, affiliation with a party is required to vote in primary elections.
37% of Maine voters are not enrolled in a political party.
Republican Presidential primary: closed
Registration: Voters may or may not choose to affiliate with a political party, however, affiliation with a party is required to vote in primary elections.
37% of Maine voters are not enrolled in a political party.
Maryland
Presidential Primaries:
Democratic Presidential primary: mixed
Republican Presidential primary: mixed
Registration: Voters may or may not choose to affiliate with a political party, however, affiliation with a party is required to vote in primary elections.
11% of Maryland voters are unaffiliated with a political party.
Republican Presidential primary: mixed
Registration: Voters may or may not choose to affiliate with a political party, however, affiliation with a party is required to vote in primary elections.
11% of Maryland voters are unaffiliated with a political party.
Massachusetts
Presidential Primaries:
Democratic Presidential primary: mixed
Republican Presidential primary: mixed
Registration: Voters may or may not choose to affiliate with a political party.
53% of Massachusetts voters are not enrolled with a political party.
Republican Presidential primary: mixed
Registration: Voters may or may not choose to affiliate with a political party.
53% of Massachusetts voters are not enrolled with a political party.
Michigan
Presidential Primaries:
Democratic Presidential primary: open
Republican Presidential primary: open
Registration: Michigan has nonpartisan registration. There is no option to affiliate with a political party on the voter registration form.
Republican Presidential primary: open
Registration: Michigan has nonpartisan registration. There is no option to affiliate with a political party on the voter registration form.
Minnesota
Presidential Primaries:
Democratic Presidential primary: open
Republican Presidential primary: open
Registration: Minnesota has nonpartisan registration. There is no option to affiliate with a political party on the voter registration form.
Republican Presidential primary: open
Registration: Minnesota has nonpartisan registration. There is no option to affiliate with a political party on the voter registration form.
Mississippi
Presidential Primaries:
Democratic Presidential primary: open
Republican Presidential primary: open
Registration: Mississippi has nonpartisan registration. There is no option to affiliate with a political party on the voter registration form.
Republican Presidential primary: open
Registration: Mississippi has nonpartisan registration. There is no option to affiliate with a political party on the voter registration form.
Missouri
Presidential Primaries:
Democratic Presidential primary: open
Republican Presidential primary: open
Registration: Missouri has nonpartisan registration. There is no option to affiliate with a political party on the voter registration form.
Republican Presidential primary: open
Registration: Missouri has nonpartisan registration. There is no option to affiliate with a political party on the voter registration form.
Montana
Presidential Primaries:
Democratic Presidential primary: open
Republican Presidential primary: open
Registration: Montana has nonpartisan registration. There is no option to affiliate with a political party on the voter registration form.
Republican Presidential primary: open
Registration: Montana has nonpartisan registration. There is no option to affiliate with a political party on the voter registration form.
Nebraska
Presidential Primaries:
Democratic Presidential primary: mixed
Republican Presidential primary: mixed
Registration: Voters may or may not choose to affiliate with a political party, however, affiliation with a party is required to vote in certain primary elections.
20% of voters in Nebraska are registered as nonpartisan.
Republican Presidential primary: mixed
Registration: Voters may or may not choose to affiliate with a political party, however, affiliation with a party is required to vote in certain primary elections.
20% of voters in Nebraska are registered as nonpartisan.
Nevada
Presidential Primaries:
Democratic Presidential primary: closed
Republican Presidential primary: closed
Registration: Voters may or may not choose to affiliate with a political party, however, affiliation with a party is required to vote in primary elections.
20% of Nevada voters are registered as nonpartisan.
Republican Presidential primary: closed
Registration: Voters may or may not choose to affiliate with a political party, however, affiliation with a party is required to vote in primary elections.
20% of Nevada voters are registered as nonpartisan.
New Hampshire
Presidential Primaries:
Democratic Presidential primary: mixed
Republican Presidential primary: mixed
Registration: Voters may or may not choose to affiliate with a political party, however, affiliation with a party is required to vote in primary elections.
43% of New Hampshire voters are registered as undeclared.
Republican Presidential primary: mixed
Registration: Voters may or may not choose to affiliate with a political party, however, affiliation with a party is required to vote in primary elections.
43% of New Hampshire voters are registered as undeclared.
New Jersey
Presidential Primaries:
Democratic Presidential primary: closed
Republican Presidential primary: closed
Registration: Voters may or may not choose to affiliate with a political party, however, affiliation with a party is required to vote in primary elections.
48% of New Jersey voters are registered as unaffiliated.
Republican Presidential primary: closed
Registration: Voters may or may not choose to affiliate with a political party, however, affiliation with a party is required to vote in primary elections.
48% of New Jersey voters are registered as unaffiliated.
New Mexico
Presidential Primaries:
Democratic Presidential primary: closed
Republican Presidential primary: closed
Registration: Voters may or may not choose to affiliate with a political party, however, affiliation with a party is required to vote in primary elections.
19% of New Mexico voters declined to affiliate with a political party.
Republican Presidential primary: closed
Registration: Voters may or may not choose to affiliate with a political party, however, affiliation with a party is required to vote in primary elections.
19% of New Mexico voters declined to affiliate with a political party.
New York
Presidential Primaries:
Democratic Presidential primary: closed
Republican Presidential primary: closed
Registration: Voters may or may not choose to affiliate with a political party, however, affiliation with a party is required to vote in primary elections.
25% of New York voters are registered as "other" or with the Independence Party.
Republican Presidential primary: closed
Registration: Voters may or may not choose to affiliate with a political party, however, affiliation with a party is required to vote in primary elections.
25% of New York voters are registered as "other" or with the Independence Party.
North Carolina
Presidential Primaries:
Democratic Presidential primary: mixed
Republican Presidential primary: mixed
Registration: Voters may or may not choose to affiliate with a political party.
28% of North Carolina voters are registered as unaffiliated.
Republican Presidential primary: mixed
Registration: Voters may or may not choose to affiliate with a political party.
28% of North Carolina voters are registered as unaffiliated.
North Dakota
Presidential Primaries:
Democratic Presidential primary: open
Republican Presidential primary: closed
Registration: North Dakota does not have voter registration.
Republican Presidential primary: closed
Registration: North Dakota does not have voter registration.
Ohio
Presidential Primaries:
Democratic Presidential primary: mixed
Republican Presidential primary: mixed
Registration:
Ohio has nonpartisan registration. There is no option to affiliate with a political party on the voter registration form.
Democratic Presidential primary: mixed
Republican Presidential primary: mixed
Registration:
Ohio has nonpartisan registration. There is no option to affiliate with a political party on the voter registration form.
Oklahoma
Presidential Primaries:
Democratic Presidential primary: mixed
Republican Presidential primary: closed
Registration:
Voters may or may not choose to affiliate with a political party, however, affiliation with a party is required to vote in Republican primary elections. Independent voters may vote in the Democratic primaries.
13% of Oklahoma voters are registered as independent.
Democratic Presidential primary: mixed
Republican Presidential primary: closed
Registration:
Voters may or may not choose to affiliate with a political party, however, affiliation with a party is required to vote in Republican primary elections. Independent voters may vote in the Democratic primaries.
13% of Oklahoma voters are registered as independent.
Oregon
Presidential Primaries:
Democratic Presidential primary: closed
Republican Presidential primary: closed
Registration:
Voters may or may not choose to affiliate with a political party, however, affiliation with a party is required to vote in primary elections.
30% of Oregon voters are registered as nonaffiliated or independent.
Democratic Presidential primary: closed
Republican Presidential primary: closed
Registration:
Voters may or may not choose to affiliate with a political party, however, affiliation with a party is required to vote in primary elections.
30% of Oregon voters are registered as nonaffiliated or independent.
Pennsylvania
Presidential Primaries:
Democratic Presidential primary: closed
Republican Presidential primary: closed
Registration:
Voters may or may not choose to affiliate with a political party, however, affiliation with a party is required to vote in primary elections.
13% of Pennsylvania voters are registered as unaffiliated or "other".
Democratic Presidential primary: closed
Republican Presidential primary: closed
Registration:
Voters may or may not choose to affiliate with a political party, however, affiliation with a party is required to vote in primary elections.
13% of Pennsylvania voters are registered as unaffiliated or "other".
Rhode Island
Presidential Primaries:
Democratic Presidential primary: mixed
Republican Presidential primary: mixed
Registration:
Voters may or may not choose to affiliate with a political party, however, affiliation with a party is required to vote in primary elections.
50% of Rhode Island voters are registered as independent.
Democratic Presidential primary: mixed
Republican Presidential primary: mixed
Registration:
Voters may or may not choose to affiliate with a political party, however, affiliation with a party is required to vote in primary elections.
50% of Rhode Island voters are registered as independent.
South Carolina
Presidential Primaries:
Democratic Presidential primary: open
Republican Presidential primary: open
Registration:
South Carolina has nonpartisan registration. There is no option to affiliate with a political party on the voter registration form
Democratic Presidential primary: open
Republican Presidential primary: open
Registration:
South Carolina has nonpartisan registration. There is no option to affiliate with a political party on the voter registration form
South Dakota
Presidential Primaries:
Democratic Presidential primary: open
Republican Presidential primary: closed
Registration:
Voters may or may not choose to affiliate with a political party at voter registration.
Democratic Presidential primary: open
Republican Presidential primary: closed
Registration:
Voters may or may not choose to affiliate with a political party at voter registration.
Tennessee
Presidential Primaries:
Democratic Presidential primary: open
Republican Presidential primary: open
Registration:
Tennessee has nonpartisan registration. There is no option to affiliate with a political party on the voter registration form.
Democratic Presidential primary: open
Republican Presidential primary: open
Registration:
Tennessee has nonpartisan registration. There is no option to affiliate with a political party on the voter registration form.
Texas
Presidential Primaries:
Democratic Presidential primary: open
Republican Presidential primary: open
Registration:
Texas has nonpartisan registration. There is no option to affiliate with a political party on the voter registration form.
Democratic Presidential primary: open
Republican Presidential primary: open
Registration:
Texas has nonpartisan registration. There is no option to affiliate with a political party on the voter registration form.
Utah
Presidential Primaries:
Democratic Presidential primary: open
Republican Presidential primary: closed
Registration:
Voters may or may not choose to affiliate with a political party.
Democratic Presidential primary: open
Republican Presidential primary: closed
Registration:
Voters may or may not choose to affiliate with a political party.
Vermont
Presidential Primaries:
Democratic Presidential primary: open
Republican Presidential primary: open
Registration:
Vermont has nonpartisan registration. There is no option to affiliate with a political party on the voter registration form.
Democratic Presidential primary: open
Republican Presidential primary: open
Registration:
Vermont has nonpartisan registration. There is no option to affiliate with a political party on the voter registration form.
Virginia
Presidential Primaries:
Democratic Presidential primary: open
Republican Presidential primary: open
Registration:
Virginia has nonpartisan registration. There is no option to affiliate with a political party on the voter registration form.
Democratic Presidential primary: open
Republican Presidential primary: open
Registration:
Virginia has nonpartisan registration. There is no option to affiliate with a political party on the voter registration form.
Washington
Presidential Primaries:
Democratic Presidential primary: mixed
Republican Presidential primary: closed
Registration:
Washington has nonpartisan registration. There is no option to affiliate with a political party on the voter registration form.
Democratic Presidential primary: mixed
Republican Presidential primary: closed
Registration:
Washington has nonpartisan registration. There is no option to affiliate with a political party on the voter registration form.
West Virginia
Presidential Primaries:
Democratic Presidential primary: mixed
Republican Presidential primary: mixed
Registration:
Voters may or may not choose to affiliate with a political party.
19% of voters in West Virginia are registered as "no party" or "other."
Democratic Presidential primary: mixed
Republican Presidential primary: mixed
Registration:
Voters may or may not choose to affiliate with a political party.
19% of voters in West Virginia are registered as "no party" or "other."
Wisconsin
Presidential Primaries:
Democratic Presidential primary: open
Republican Presidential primary: open
Registration:
Wisconsin has nonpartisan registration. There is no option to affiliate with a political party on the voter registration form.
Democratic Presidential primary: open
Republican Presidential primary: open
Registration:
Wisconsin has nonpartisan registration. There is no option to affiliate with a political party on the voter registration form.
Wyoming
Presidential Primaries:
Democratic Presidential primary: mixed
Republican Presidential primary: mixed
Registration:
Voters may or may not choose to affiliate with a political party, however, affiliation with a party is required to vote in primary elections.
10% of voters in Wyoming are registered as unaffiliated.
Democratic Presidential primary: mixed
Republican Presidential primary: mixed
Registration:
Voters may or may not choose to affiliate with a political party, however, affiliation with a party is required to vote in primary elections.
10% of voters in Wyoming are registered as unaffiliated.