2 candidates are tracked for Illinois Senate District 35 on the November 3, 2026 ballot: Sarah B. Mertens and Dave Syverson. Candidate information follows official Boone County election filings; verify with the official election office linked below.
Sarah B. Mertens (Democratic), Dave Syverson (Republican) meet on the November 3 ballot; Dave Syverson 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, Dave Syverson, is on the ballot.
Illinois › Boone County › Illinois Senate District 35
Sarah B. Mertens is the Democratic candidate for Illinois Senate District 35 on the November 3, 2026 ballot, per the State Board of Elections' certified candidate list. No campaign website was found as of September 7, 2026.
Dave Syverson is the incumbent state senator for the 35th District, per the official Illinois Senate website. No campaign website was found as of September 27, 2026.
Who is running for Illinois Senate District 35 in 2026?
2 candidates are tracked for Illinois Senate District 35 on the November 3, 2026 ballot: Sarah B. Mertens and Dave Syverson. Candidate information follows official Boone County election filings; verify with the official election office linked below.
When is the Illinois Senate District 35 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 Boone 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 Boone County and state election office filings. Bios and priorities carry their attribution inline.
Cross-check with the official Illinois election office, or see the full Boone County sample ballot and your exact ballot by address.
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