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State Senator District 35

November 3, 2026 general · the primary

The district

217,029people
$109,729median household incomeIllinois: $83,390
$325,600median home valueIllinois: $263,300
87%of homes lived in by their ownerIllinois: 67%
40%of adults with a bachelor's degree or moreIllinois: 38%

U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024), on the district lines in use since 2022.

CandidateRaisedTheir ownSpentCash on handLarge since last report
Sarah Mertens D$16,330$20,250$18,165$7,008$7,000
Dave Syverson Rincumbent$284,049—$173,284$79,612$80,526

Raised: itemized contributions to the candidate's committees since January 1, 2025. Their own: contributions and loans in the candidate's name. Cash on hand: at the end of the committees' latest quarterly report (June 30, 2026). Large since last report: $1,000-plus contributions reported on A-1s since that report (included in Raised).

Last time: 2022 general

Dave Syverson R won65,233100%

Unopposed. Official results from the State Board of Elections. District lines are the 2021 maps, used since 2022.

Outside spending

$67 reported by other committees as independent expenditures for or against this race's candidates. The candidates don't control it.

AgainstCandidateFor
$67
SpenderFor / againstAmount
Kane County Republican Central Cmte
2026-09-09
for Dave Syverson$67