Voters must affiliate with the Republican party to vote in the Republican Party’s primaries.
Independent voters may vote in the Democratic primaries (subject to a change in party rules)
20% of Oklahoma voters are registered as independent.
Details of Congressional & local primary elections:
Independent voters may vote in the Democratic Party primaries but voters must affiliate with the Republican party to vote in the Republican Party's primary.
Voters cannot change party affiliation between April 1 and August 31 in even-numbered years.
Campaign & State Partners
Oklahoma United and Let’s Fix This OK are pursuing a public education campaign on primary reform as they build towards a ballot initiative for open primaries.