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Macoupin County Ilinois | Peter Duncan - County Clerk
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Important Dates

March 17th 2026– Primary Election Important Dates
First Day to Circulate Petitions August 5th, 2025
First Day to File October 27th, 2025
Last Day to File November 3rd, 2025
Last Day to Register to Vote February 17th, 2026
Last Day for Online Registration March 1st, 2026
First day to accept application for mail-in ballot December 17th, 2025
Can apply for permanent vote by mail ballot Anytime
First day ballots can be mailed  February 5th, 2026
Last day to accept application for mail-in ballot March 12th, 2026
Last day to run as a write-in January 15th, 2026
Last day for resolutions for public questions December 29th, 2025
First day for grace period voting (register & vote at same time) February 18th, 2026
Last day for grace period voting March 17th, 2026
First day for early voting February 5th, 2026
Last day for early voting March 16th, 2026

Calendar of Important Dates

«»

November2025

  • Nov
    3
    Mon
    Last Day for Candidate Filing for 2026 Primary Election
  • Nov
    11
    Tue
    Courthouse Closed - Veterans Day
  • Nov
    27
    Thu
    Courthouse Closed - Thanksgiving
  • Nov
    28
    Fri
    Courthouse Closed - Thanksgiving

What’s New

  • 2026 Primary Election Candidate List
  • County Purchases New Building for Voting Center Across from Courthouse
  • Macoupin as a Center for Election Excellence FAQs
  • Macoupin Named 1 of 10 Centers for Election Excellence Nationwide
  • Online Vote By Mail Application

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