Illinois 85th State House District, Illinois: Tossup district. In 2024, voted D+3%. Republican peak: R+58 in 1920.
Key facts
- 2024 presidential margin
- D+3MIT Election Lab
- Political archetype
- TossupAkashic typology
- Population
- 52,0282024 5-year
- Median household income
- $110,2152024 5-year
- White (non-Hispanic)
- 62.6%2024 5-year
- Black
- 11.1%2024 5-year
- Hispanic / Latino
- 19.4%2024 5-year
- Peak Democratic margin
- D+13 in 2008MIT Election Lab
- Peak Republican margin
- R+58 in 1920MIT Election Lab
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| D | 12,296 | 11,585 | 24,437 | ||
| D | 13,870 | 11,431 | 25,859 | ||
| D | 11,435 | 9,785 | 22,732 | ||
| D | 10,748 | 9,713 | 20,830 | ||
| D | 11,996 | 9,222 | 21,478 | ||
| R | 8,842 | 9,976 | 18,952 | ||
| R | 6,939 | 7,561 | 14,892 | ||
| D | 5,376 | 5,137 | 11,784 | ||
| R | 4,641 | 4,946 | 12,321 | ||
| R | 3,868 | 6,166 | 10,097 | ||
| R | 3,423 | 6,589 | 10,056 | ||
| R | 3,195 | 5,695 | 9,714 | ||
| R | 3,817 | 5,154 | 9,137 | ||
| R | 2,571 | 5,360 | 7,961 | ||
| R | 2,383 | 3,647 | 6,992 | ||
| D | 3,686 | 3,157 | 6,843 | ||
| R | 2,983 | 3,431 | 6,420 | ||
| R | 1,805 | 3,576 | 5,389 | ||
| R | 2,103 | 2,981 | 5,092 | ||
| R | 1,841 | 2,170 | 4,055 | ||
| R | 1,903 | 2,242 | 4,167 | ||
| R | 2,060 | 2,382 | 4,459 | ||
| D | 1,991 | 1,827 | 3,970 | ||
| R | 1,817 | 1,820 | 3,733 | ||
| R | 1,443 | 1,894 | 3,368 | ||
| R | 322 | 1,608 | 2,487 | ||
| R | 370 | 1,511 | 1,972 | ||
| R | 781 | 1,372 | 2,190 | ||
| O | 325 | 227 | 1,156 | ||
| R | 388 | 712 | 1,160 | ||
| R | 219 | 685 | 1,032 | ||
| R | 451 | 688 | 1,159 | ||
| R | 464 | 636 | 1,109 | ||
| R | 438 | 459 | 927 | ||
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Demographics
Illinois House District 85 breaks sharply from the state's statewide Democratic lean, delivering double-digit Republican margins at the presidential level — a pattern typical of rural and small-city downstate districts far from the Chicago media market.
The district's recent history is a story of close margins. The Democratic margin reached thirteen points in 2008; the Republican margin reached fifty-eight points in 1920. Most other elections have been decided by single-digit points.
Its demographics — a population of 52,028, a 63% non-Hispanic-white share, a median household income of $110,215 — situate the district close to national averages on several dimensions.
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →
State House District 85, Illinois. Akashic. https://akashic.app/sld-lower/17085/. Accessed May 20, 2026. License: CC BY 4.0.