General Primary Election
Tuesday, March 17, 2026
Key Dates
Date |
Event |
| 02/17/26 | Last day for voters to register to vote by mail. |
| 03/01/26 | Last day to register to vote by online application |
| 03/02/26 | First day of early voting |
| 03/12/26 | Last day to request a mail ballot |
| 03/16/26 | Last day of early voting |
| 03/16/26 | Last day of grace period registration and early voting |
| 03/17/26 | Last day mail ballots can be postmarked |
| 03/17/26 | Election Day |
These links are for Cook County Residents. Please see the sidebar on the right for additional counties.
When to Re-Register
Your registration is permanent unless you move or change your name. You may update an existing registration via the link Register to Vote or Update an Existing Registration on the Illinois Online Voter Registration webpage.
If you are legally changing your name at the Secretary of State’s office, you can ask them to process a new or updated voter registration.
Get Voter Information
Click the County that you reside in to get the most accurate voting and early voting information.
Early Voting for Cook County Residents
at Barrington Hills Village Hall
112 Algonquin Road, Barrington Hills
EARLY VOTING HOURS AT VILLAGE HALL
MARCH 2 – MARCH 16, 2026
Mondays – Saturdays: 9:00 AM to 5:00 PM
Sundays: 10:00 AM to 4:00 PM
MARCH 17 – ELECTION DAY!
Polling locations: 6:00 AM to 7:00 PM
For those not residing in Cook County, follow the links below to determine your early voting locations. Hours vary by location.
Lake County Early Voting Locations