Cass County, Illinois
Your guide to voting in Cass County, Illinois: registration, sample ballots, ID requirements and where to get local help. Home to about 12,700 people, Cass County ranks 81st 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
Why does voting matter in Cass County? Because every eligible voter here has exactly the same power at the ballot box: one vote. The next election for Cass County voters is Illinois's general primary on March 21, 2028; local elections can come sooner, so check your local election office. Many Cass County jobs are in manufacturing and business support services, so decisions about manufacturing jobs and job growth hit close to home.
Cass County voters cast about 5,240 ballots for president in 2024, down about 2% from 5,330 in 2020. Compared with the county's roughly 9,830 adult residents, that works out to about 53%, close to the statewide rate of about 56%.
Put another way, about 4,590 adults in Cass County sat that election out. Not all of them can vote, but if even 5% of them did, that would be roughly 229 more ballots, often more than the margin in races for local councils, school boards, the legislature or Congress.
Cass County spans about 376 square miles of small towns and countryside, averaging roughly 34 people per square mile. The county is home to about 0.1% of Illinois's population.
ZIP codes in or partly in Cass County include 62611, 62612, 62618, 62622, 62627, 62665, 62673 and 62675, plus 2 more. 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
Questions about voting in Cass 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 Cass 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.
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 Cass 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 Cass 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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