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Illinois › Illinois House of Representatives · State legislature · November 3, 2026 · Updated Oct 16, 2026

Illinois Representative District 100

Christopher "C.D." Davidsmeyer has no major-party opponent.

Christopher "C.D." Davidsmeyer has no major-party opponent.

The candidates

The district

Lean R+50: how much more Democratic or Republican than the nation it votes for president.

Presidential vote

← RepublicanDemocratic →2016 presidentR+48.9R+51.1 vs. nation2020 presidentR+49.2R+53.7 vs. nation2024 presidentR+50.3R+48.8 vs. nation

Precinct results re-aggregated to the current district lines.

Who lives here

Population
110,705
People per km²
12
Adults with a B.A.+
24%
White, no degree
72%of adults
  • White 93%
  • Hispanic 2%
  • Black 2%
  • Asian 1%
  • Other / multiracial 3%

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

50,793 votes · Uncontested by the other party
✓ Christopher "cd" Davidsmeyer (R)100.0%

2024 President Vote in this district

58,709 two-party votes · R+50.3 · R+48.8 vs. the nation
✓ Donald Trump (R)75.2%
Kamala Harris (D)24.8%

2022

40,156 votes · Uncontested by the other party
✓ Christopher D Davidsmeyer (R)100.0%

2020 Earlier district lines

51,361 votes · R+57.1
✓ Christopher Davidsmeyer (R)75.1%
Brandon Adams (D)20.5%
Ralph Sides (—)4.4%

2020 President Vote in this district

60,752 two-party votes · R+49.2 · R+53.7 vs. the nation
✓ Donald Trump (R)74.6%
Joe Biden (D)25.4%

2016 President Vote in this district

54,322 two-party votes · R+48.9 · R+51.1 vs. the nation
✓ Donald Trump (R)74.4%
Hillary Clinton (D)25.6%