Illinois 4th State Senate District, Illinois: Democratic loyalist district. In 2024, voted D+39%. Democratic peak: D+50 in 2016.
Key facts
- 2024 presidential margin
- D+39MIT Election Lab
- Political archetype
- Democratic loyalistAkashic typology
- Population
- 210,6692024 5-year
- Median household income
- $85,6882024 5-year
- White (non-Hispanic)
- 45.2%2024 5-year
- Black
- 20.9%2024 5-year
- Hispanic / Latino
- 26.0%2024 5-year
- Peak Democratic margin
- D+50 in 2008MIT Election Lab
- Peak Republican margin
- R+49 in 1920MIT Election Lab
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| D | 58,708 | 25,235 | 85,980 | ||
| D | 69,671 | 24,316 | 95,757 | ||
| D | 64,478 | 19,903 | 89,321 | ||
| D | 59,340 | 21,986 | 82,594 | ||
| D | 65,121 | 21,495 | 87,491 | ||
| D | 57,171 | 26,224 | 83,917 | ||
| D | 50,718 | 23,554 | 76,367 | ||
| D | 45,545 | 20,183 | 70,448 | ||
| D | 48,895 | 25,815 | 87,021 | ||
| D | 44,055 | 36,762 | 81,509 | ||
| R | 43,008 | 43,566 | 87,073 | ||
| D | 43,414 | 35,318 | 86,142 | ||
| D | 45,579 | 40,107 | 87,370 | ||
| R | 40,905 | 49,325 | 90,742 | ||
| D | 45,188 | 38,223 | 90,966 | ||
| D | 58,855 | 35,340 | 94,195 | ||
| D | 52,511 | 41,530 | 94,319 | ||
| R | 37,108 | 50,141 | 87,470 | ||
| R | 44,404 | 45,868 | 90,521 | ||
| D | 45,942 | 38,928 | 85,391 | ||
| D | 48,202 | 35,438 | 83,875 | ||
| D | 44,180 | 35,937 | 80,432 | ||
| D | 47,420 | 26,816 | 76,331 | ||
| D | 34,830 | 26,355 | 63,270 | ||
| R | 27,071 | 30,971 | 58,490 | ||
| R | 8,522 | 26,158 | 42,210 | ||
| R | 7,450 | 24,058 | 33,788 | ||
| R | 14,328 | 16,523 | 32,171 | ||
| O | 4,945 | 2,830 | 16,255 | ||
| R | 5,778 | 8,728 | 15,705 | ||
| R | 3,920 | 8,699 | 14,855 | ||
| R | 7,023 | 7,716 | 15,164 | ||
| R | 5,739 | 8,399 | 14,354 | ||
| D | 5,466 | 4,219 | 9,896 | ||
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Demographics
With a 2024 presidential margin of D+63.3, this Chicago-area district ranks among the most lopsided in the state, reflecting dense urban geography and a constituency that votes overwhelmingly for Democratic presidential candidates.
The Democratic margin in Illinois 4th State Senate District reached its widest at fifty points in 2016. The margin in 2024 was thirty-nine points — still decisive.
Its loyalty is rooted in its place. Median household income of $85,688, a 45% non-Hispanic-white share, and a population of 210,669 together describe a district whose political habits are deeply settled.
Compare two places, side by side
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State Senate District 4, Illinois. Akashic. https://akashic.app/sld-upper/17004/. Accessed May 20, 2026. License: CC BY 4.0.