Staggered Senate
Senators serve terms of two or four years in a set pattern each decade, so a different share of the seats is on the ballot each election: 39 of 59 in 2026.
Illinois › Illinois State Senate · November 3, 2026 · Updated Oct 16, 2026
Illinois Legislative District 38
Sue Rezin has no major-party opponent.
Sue Rezin has no major-party opponent.
How this race is decided
The candidates
RepublicanIncumbent
Sue Rezin
Independent
Ernie R. Marcelain
The district
Lean R+7: how much more Democratic or Republican than the nation it votes for president.
Presidential vote
Precinct results re-aggregated to the current district lines.
Who lives here
- Population
- 219,763
- People per km²
- 85
- Adults with a B.A.+
- 28%
- White, no degree
- 55%of adults
- White 72%
- Hispanic 16%
- Black 6%
- Asian 2%
- Other / multiracial 4%
American Community Survey 2020–2024, aggregated from census tracts.
Past results
Results in the same-numbered district; earlier elections may have used different lines.
2024 President Vote in this district
99,599 two-party votes · R+7.7 · R+6.2 vs. the nation✓ Donald Trump (R)53.8%
Kamala Harris (D)46.2%
2022
59,006 votes · Uncontested by the other party✓ Sue Rezin (R)100.0%
2020 President Vote in this district
100,895 two-party votes · R+4.1 · R+8.6 vs. the nation✓ Donald Trump (R)52.1%
Joe Biden (D)47.9%
2018 Earlier district lines
80,776 votes · R+18.8✓ Sue Rezin (R)59.4%
Heidi Henry (D)40.6%
2016 Earlier district lines
96,434 votes · R+15.8✓ Sue Rezin (R)57.9%
Christine Benson (D)42.1%
2016 President Vote in this district
83,784 two-party votes · R+6.4 · R+8.7 vs. the nation✓ Donald Trump (R)53.2%
Hillary Clinton (D)46.8%