Jerome County, Idaho
Voting in Jerome County, Idaho? Find registration links, ID rules, early and absentee voting options and your sample ballot here. Home to about 26,100 people, Jerome County ranks 15th in population among Idaho's 44 counties. In Idaho, the county clerk handles voter registration, absentee ballots and polling places.
Next Election
May 16, 2028
Voter Portal
Register Online
What's On My Ballot?
ID Requirements
Absentee / Early Voting
Registration Deadline
Register online or by mail before the pre-registration deadline for each election; Election Day registration is available in person with ID and proof of residence.
Why Voting Matters
In Jerome County, the people who show up to vote decide who represents everyone. The next election for Jerome County voters is Idaho's primary election on May 16, 2028; local elections can come sooner, so check your local election office. With manufacturing and transportation and warehousing among the county's biggest employers, issues like manufacturing jobs are decided by the officials voters choose.
About 7,940 people voted for president in Jerome County in 2024 (up about 2% from 7,810 in 2020). That equals roughly 43% of the county's estimated 18,600 adults, below the statewide rate of about 59%.
That means roughly 10,700 adult residents did not cast a presidential ballot. Some are not eligible, but many are, and that is a lot of untapped power. If just one in 20 of them voted, Jerome County would add about 533 voices, more than enough to decide a close local race.
Jerome County spans about 597 square miles of small towns and countryside, averaging roughly 44 people per square mile. The county is home to about 1.3% of Idaho's population.
ZIP codes in or partly in Jerome County include 83301, 83325, 83335, 83338 and 83347. Confirm your registration, read through your sample ballot before Election Day, and choose whether you will vote early, by mail or in person. Invite someone you know in Jerome County to join you.
Voter Assistance Resources
Local election help in Jerome County: In Idaho, the county clerk handles voter registration, absentee ballots and polling places. For registration, polling places, early voting and absentee ballots, contact the Jerome County clerk.
Statewide directory, VoteIdaho's Find Your County Clerk page:
https://voteidaho.gov/county-clerk/
See your sample ballot. VoteIdaho's What's On the Ballot page:
https://voteidaho.gov/on-the-ballots/
You can also preview a personalized ballot at Vote411.org.
To ask a question or report a problem at the polls, call or text Election Protection at 866-OUR-VOTE (866-687-8683), a free nonpartisan hotline. For help in Spanish call 888-VE-Y-VOTA (888-839-8682); for Asian languages call 888-API-VOTE (888-274-8683).
Voters with disabilities in Jerome County can ask for an accessible voting machine, curbside voting where offered, and help from a person of their choice. If you run into barriers, contact Disability Rights Idaho, Idaho's Protection and Advocacy agency, at (208) 336-5353. VoteRiders (844-338-8743) offers free help with voter ID.
Need a ride? Many local transit agencies and ride services offer free or discounted rides to the polls on Election Day, so check what is available before the next election. See our Idaho voter page for statewide options. Details can change, so confirm with the official election office.
Military and overseas voters can get help from the Federal Voting Assistance Program at 1-800-438-VOTE (8683) or fvap.gov.
Sign up to be an election worker
Election workers (often called poll workers) keep voting running smoothly in Jerome County. Most are paid for their time, get free training, and help their neighbors cast their ballots. You can work a full day, a shorter shift, or help before Election Day. County and municipal election offices recruit and train their own workers, and the EAC's Help America Vote page links to yours. Find out how to sign up:
https://www.eac.gov/help-america-vote
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