Illinois 27th State Senate District, Illinois: Democratic loyalist district. In 2024, voted D+42%. Democratic peak: D+53 in 2008.
Key facts
- 2024 presidential margin
- D+42MIT Election Lab
- Political archetype
- Democratic loyalistAkashic typology
- Population
- 229,2412024 5-year
- Median household income
- $83,4982024 5-year
- White (non-Hispanic)
- 43.6%2024 5-year
- Black
- 22.2%2024 5-year
- Hispanic / Latino
- 26.8%2024 5-year
- Peak Democratic margin
- D+53 in 2008MIT Election Lab
- Peak Republican margin
- R+49 in 1920MIT Election Lab
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| D | 64,047 | 25,828 | 91,980 | ||
| D | 76,352 | 24,696 | 102,869 | ||
| D | 71,308 | 20,052 | 96,452 | ||
| D | 65,849 | 21,921 | 89,130 | ||
| D | 72,063 | 21,576 | 94,555 | ||
| D | 63,689 | 26,427 | 90,661 | ||
| D | 56,648 | 23,647 | 82,542 | ||
| D | 51,018 | 20,418 | 76,383 | ||
| D | 55,276 | 26,777 | 94,962 | ||
| D | 49,987 | 38,866 | 89,631 | ||
| D | 49,220 | 46,695 | 96,470 | ||
| D | 49,748 | 37,892 | 95,689 | ||
| D | 52,236 | 43,684 | 97,753 | ||
| R | 47,036 | 54,602 | 102,234 | ||
| D | 52,258 | 42,489 | 103,362 | ||
| D | 68,001 | 39,624 | 107,625 | ||
| D | 60,974 | 46,874 | 108,172 | ||
| R | 43,256 | 57,209 | 100,721 | ||
| R | 51,866 | 52,597 | 104,751 | ||
| D | 53,821 | 44,936 | 99,352 | ||
| D | 56,419 | 40,904 | 97,596 | ||
| D | 51,675 | 41,515 | 93,553 | ||
| D | 55,436 | 31,019 | 88,893 | ||
| D | 40,664 | 30,530 | 73,621 | ||
| R | 31,686 | 35,923 | 68,133 | ||
| R | 10,004 | 30,478 | 49,265 | ||
| R | 8,737 | 28,099 | 39,510 | ||
| R | 16,785 | 19,274 | 37,598 | ||
| O | 5,782 | 3,311 | 18,992 | ||
| R | 6,768 | 10,192 | 18,362 | ||
| R | 4,590 | 10,168 | 17,383 | ||
| R | 8,237 | 9,014 | 17,745 | ||
| R | 6,731 | 9,813 | 16,793 | ||
| D | 6,397 | 4,922 | 11,560 | ||
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Demographics
With a 2024 presidential margin exceeding 50 points, this downstate district ranks among the state's most reliably conservative constituencies, reflecting the rural and small-city demographic patterns common to central and southern Illinois.
The Democratic margin in Illinois 27th State Senate District reached its widest at fifty-three points in 2008. The margin in 2024 was forty-two points — still decisive.
Its loyalty is rooted in its place. Median household income of $83,498, a 44% non-Hispanic-white share, and a population of 229,241 together describe a district whose political habits are deeply settled.
Compare two places, side by side
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State Senate District 27, Illinois. Akashic. https://akashic.app/sld-upper/17027/. Accessed May 20, 2026. License: CC BY 4.0.