Jo Daviess County, Illinois
Voting in Jo Daviess County, Illinois? Find registration links, ID rules, early and absentee voting options and your sample ballot here. Home to about 21,500 people, Jo Daviess County ranks 53rd in population among Illinois's 102 counties. In Illinois, elections are run by local election authorities: usually the county clerk, or a board of election commissioners in some cities and counties.
Next Election
March 21, 2028
Voter Portal
Register Online
What's On My Ballot?
ID Requirements
Absentee / Early Voting
Registration Deadline
Register by mail at least 28 days before an election or online until 16 days before; grace-period and same-day registration are also available in person through Election Day.
Why Voting Matters
Voting is how Jo Daviess County residents shape the decisions made in their name. The next election for Jo Daviess County voters is Illinois's general primary on March 21, 2028; local elections can come sooner, so check your local election office. Local work in restaurants and hospitality and retail means debates over tourism and small businesses directly affect Jo Daviess County families.
About 12,400 people voted for president in Jo Daviess County in 2024 (about the same as the 12,500 cast in 2020). That equals roughly 70% of the county's estimated 17,800 adults, above the statewide rate of about 56%.
Around 5,410 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 270 extra Jo Daviess County ballots, enough to change the result in many close contests.
With about 36 residents per square mile over 601 square miles, Jo Daviess County is a place where neighbors often know their local officials. The county is home to about 0.2% of Illinois's population.
ZIP codes in or partly in Jo Daviess County include 61001, 61025, 61028, 61036, 61041, 61044, 61048 and 61053, plus 7 more. 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 Jo Daviess County to join you.
Voter Assistance Resources
Questions about voting in Jo Daviess County? In Illinois, elections are run by local election authorities: usually the county clerk, or a board of election commissioners in some cities and counties. For registration, polling places, early voting and absentee ballots, contact the Jo Daviess County election authority (county clerk or board of election commissioners).
Statewide directory, Illinois State Board of Elections' election authorities list:
https://www.elections.il.gov/electionoperations/ElectionAuthorities.aspx
See your sample ballot. Illinois election authorities list (your local election authority posts sample ballots):
https://www.elections.il.gov/electionoperations/ElectionAuthorities.aspx
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 Jo Daviess 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 Equip for Equality, Illinois's Protection and Advocacy agency, at (800) 537-2632. 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 Illinois 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 Jo Daviess 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
Take the Next Step
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