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Today is Idaho’s 2024 primary election. Here’s what you need to know to vote.

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Today is Idaho’s 2024 primary election. Here’s what you need to know to vote.

May 21, 2024 | 6:30 am ET
By Mia Maldonado
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Today is Idaho’s 2024 primary election. Here’s what you need to know to vote.
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Voters cast their ballots at Timberline High School during the Idaho primary election on May 17, 2022. (Otto Kitsinger for Idaho Capital Sun)

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With over 1 million registered voters and 37,000 absentee ballots already cast in Idaho, today’s eligible voters have the opportunity to select their preferred candidates in state and county races.

When: Today, the polls are open from 8 a.m. to 8 p.m. local time
Where: To find your polling location, visit the Idaho Secretary of State’s “View my polling location” feature

Most Idaho primary election ballots will include party races for the following candidates: 

  • State legislators
  • County sheriff
  • County prosecuting attorney 
  • County commissioner

Some ballots in Idaho may also have other local races or measures, such as school bonds and levies.

The candidates who receive the most votes during the primary election will go on to run in the general election on Nov. 5. 

Yes, you can still vote at the polls if you aren’t yet registered.

The deadline to register to vote online was April 26, but eligible voters can still register in person at the polls if they bring a photo identification and proof of residence. 

If you are already registered to vote, you will need to show photo identification such as an Idaho driver’s license or identification card, a U.S. passport or federal photo identification card, a Tribal identification card, or a concealed weapons license issued by a county sheriff in Idaho. 

One million registered voters once again

This is the second primary election in Idaho’s history where there are at least 1 million registered voters. 

In 2022, Idaho hit a milestone of 1 million registered voters ahead of the primary election. But for the two years after that election, that number dropped under 1 million. 

The number of registered Idaho voters fluctuates each year, Chelsea Carattini, the Idaho Secretary of State’s spokesperson, told the Idaho Capital Sun. The office regularly updates its voter rolls, working with county clerks to remove people who have moved out of state or who have not voted in the last four years, she said.  

In late March, Idaho reached 1 million registered voters again, Carattini said. 

According to the Secretary of State’s website, 59% of registered Idaho voters identify as Republican, 27% of Idaho registered voters are unaffiliated, and 13% are registered as Democrats. 

Different districts, different stakes

Some primary races are more costly than others, while others reflect the opposing spectrums in Idaho’s supermajority Republican Party. 

The Idaho Capital Sun highlighted some of the most competitive legislative races, including races in Legislative Districts 1, 13, 16 and 32. 

Need more 2024 Idaho primary election information? Check out VoteIdaho.gov for information on polling places, voter registration, early voting locations, candidate filings, campaign finance records and more.

In Legislative District 1, which includes the state’s Northernmost counties, incumbent Sen. Scott Herndon, R-Sagle, will take on his predecessor, former Sen. Jim Woodward, R-Sagle. Herndon is a part of the Idaho Freedom Caucus, a group of Idaho’s most conservative legislators, while Woodward is a moderate Republican. This race is notably costly, with Herndon raising nearly $115,000 to his campaign, and Woodward raising about $130,000, as of May 17. About 96% of the money raised in both candidates’ campaigns has come from Idaho, according to the latest campaign finance records on the Idaho Secretary of State’s website

In Legislative District 13, two Nampa Republicans from opposite wings of the Republican Party will  also face off. Former Sen. Jeff Agenbroad, a moderate Republican will face incumbent Sen. Brian Lenney, a member of the Idaho Freedom Caucus. Lenney was endorsed by Attorney General Raúl Labrador, and Agenbroad was endorsed by Superintendent of Public Instruction Debbie Critchfield, as reported by Idaho Education News.

In Legislative District 16, which includes parts of Boise and Garden City, four Boise Democrats with diverse backgrounds in advocacy, health care and policy, will compete to take Seat B in the Idaho House of Representatives an open seat after former Rep. Colin Nash stepped down from it this year. 

In Legislative District 32, three east Idaho Republicans with various experiences in Idaho politics will compete for Seat B in the Idaho House of Representatives. The race includes Ammon Mayor Sean Coletti, incumbent Rep. Wendy Horman, R-Idaho Falls, and former congressional candidate Bryan Smith.