One candidate is tracked for Illinois House District 100 on the November 3, 2026 ballot: Christopher "C.D." Davidsmeyer. Candidate information follows official Madison County election filings; verify with the official election office linked below.
Christopher "C.D." Davidsmeyer (Republican) is the only candidate on the November 3 ballot; Christopher "C.D." Davidsmeyer is the sitting member, per the General Assembly's roster. Party nominees were chosen at the March 17 primary (plurality, no runoffs); independent and new-party candidates qualified by petition. The field is the State Board of Elections' 2026 General Election candidate list (status Active, read September 7, 2026). This seat is elected by district; only the district covering your address appears on your ballot.
State legislator. State legislators write and vote on state laws and the state budget, which fund schools, roads, prisons, universities and health programs, and set the rules for local governments and elections. Each member represents one district and serves on committees that shape bills before a floor vote. Terms are two years in most state houses and four in most state senates.
This race. Elected by district: only voters who live in the district see this race on their ballot. The sitting officeholder, Christopher "C.D." Davidsmeyer, is on the ballot. One name is on the ballot for this seat.
Illinois › Madison County › Illinois House District 100
Republican Incumbent
Christopher "C.D." Davidsmeyer is Assistant Minority Leader in the Illinois House and has represented the 100th District since 2012, per his ilga.gov profile. Raised in Jacksonville, he holds a political science degree from Miami University of Ohio and served on the Jacksonville City Council from 2008 to 2012. No campaign website was found as of September 7, 2026.
Who is running for Illinois House District 100 in 2026?
One candidate is tracked for Illinois House District 100 on the November 3, 2026 ballot: Christopher "C.D." Davidsmeyer. Candidate information follows official Madison County election filings; verify with the official election office linked below.
When is the Illinois House District 100 election in Illinois?
Election Day is Tuesday, November 3, 2026. Registration deadlines, early voting dates and mail ballot rules for Illinois are on the Illinois election hub at theballotbrief.com.
How do I see my exact Madison County ballot?
Enter your ZIP code in the lookup at theballotbrief.com for the statewide and congressional races, or a full street address to add the county, city and district contests for that location.
Candidate roster from official Madison County and state election office filings, last verified October 1, 2026. Bios and priorities carry their attribution inline.
Cross-check with the official Illinois election office, or see the full Madison County sample ballot and your exact ballot by address.
34 tracked races in Madison County, Illinois. Landed here from another county's search? Look up your own ballot below.