Mercer County, Kentucky
Voting in Mercer County, Kentucky? Find registration links, ID rules, early and absentee voting options and your sample ballot here. Home to about 23,500 people, Mercer County ranks 50th in population among Kentucky's 120 counties. In Kentucky, the county clerk handles voter registration, absentee ballots and sample ballots, working with the county board of elections.
Next Election
May 18, 2027
Voter Portal
Register Online
What's On My Ballot?
ID Requirements
Absentee / Early Voting
Registration Deadline
Register at least 29 days before an election.
Why Voting Matters
In Mercer County, the people who show up to vote decide who represents everyone. The next election for Mercer County voters is Kentucky's primary election on May 18, 2027, which includes statewide offices such as governor; local elections can come sooner, so check your local election office. Many Mercer County jobs are in manufacturing and retail, so decisions about manufacturing jobs and local businesses hit close to home.
About 11,800 people voted for president in Mercer County in 2024 (about the same as the 11,700 cast in 2020). That equals roughly 63% of the county's estimated 18,700 adults, above the statewide rate of about 57%.
Around 6,830 adults here did not vote for president. Some aren't eligible, yet the rest are untapped power: one more voter in every 20 of them would mean about 341 extra Mercer County ballots, enough to change the result in many close contests.
Mercer County spans about 249 square miles of small towns and countryside, averaging roughly 95 people per square mile. The county is home to about 0.5% of Kentucky's population.
ZIP codes in or partly in Mercer County include 40078, 40310, 40330, 40342, 40372, 40444 and 40468. Take two minutes to confirm your registration, preview your ballot with the links on this page, and decide when and how you will vote. Bring a neighbor along.
Voter Assistance Resources
Who runs elections in Mercer County? In Kentucky, the county clerk handles voter registration, absentee ballots and sample ballots, working with the county board of elections. For registration, polling places, early voting and absentee ballots, contact the Mercer County clerk.
Statewide directory, Kentucky State Board of Elections' county clerk contacts:
https://elect.ky.gov/Voters/Pages/default.aspx
See your sample ballot. Kentucky State Board of Elections voter page (your county clerk posts sample ballots):
https://elect.ky.gov/Voters/Pages/default.aspx
You can also preview a personalized ballot at Vote411.org.
Free, nonpartisan help is available before and on every Election Day: call or text the Election Protection hotline at 866-OUR-VOTE (866-687-8683). Spanish: 888-VE-Y-VOTA (888-839-8682). Asian languages: 888-API-VOTE (888-274-8683).
Voters with disabilities in Mercer 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 Kentucky Protection & Advocacy, Kentucky's Protection and Advocacy agency, at (800) 372-2988. 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 Kentucky 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 Mercer 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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