Illinois State Senate District 12
Illinois · Latest: 2024
Safe Democratic — shifted 17.1pp toward Republicans in 2024 — 217K residents
Illinois State Senate District 12 is a state senate district that has a population of 217,115. In the 2024 presidential election, it voted Democratic with a margin of D+38.0. Akashic Edge tracks 5 presidential elections here, dating back to 2008.
| Year | Dem % | Rep % | Margin | Swing |
|---|---|---|---|---|
| 2024 | 68.2% | 30.3% | D+38.0 | R+17.1 |
| 2020* | 76.6% | 21.5% | D+55.1 | R+16.7 |
| 2016* | 83.1% | 11.3% | D+71.8 | R+1.7 |
| 2012* | 86.8% | 13.2% | D+73.5 | D+6.2 |
| 2008* | 82.9% | 15.5% | D+67.3 | — |
* Pre-2022 results projected onto current district boundaries. Actual boundaries at the time of the election may have differed.
What defines IL-SD-12?
IL-SD-12 has been trending Republican — 36pp redder over the last 4 presidential cycles. It has a majority-minority electorate where racial demographics are the primary driver of partisan lean.
Similar state senate districts
Nearest neighbors matched on the same place-page feature set used across the dossier system.
Illinois State Senate District 1
Diverse urban democratic
New York State Senate District 33
Diverse urban democratic
California State Senate District 33
Diverse urban democratic
New Jersey State Senate District 33
Diverse urban democratic
Illinois State Senate District 2
Diverse urban democratic
New York State Senate District 31
Diverse urban democratic
New Jersey State Senate District 29
Diverse urban democratic
New York State Senate District 13
Diverse urban democratic
Ask the Historian
Explore IL-SD-12's political evolution with the Historian
Key Insights
High-confidence patterns distilled from this geography's election history.
- Has voted Democratic in the last 5 presidential elections
- Latest election (2024) was a Democratic landslide with a 38.0% margin
- Swung 17.1 points toward Republican between 2020 and 2024
Who Lives Here
A race-first Census view with ancestry expansion where source coverage is strong enough to support detail.
Census race profile
Major Census race and ethnicity groups shown as a share of total population.
| Group | IL-SD-12 | State | National |
|---|---|---|---|
Hispanic / Latino | 69.0% | 18.8% | 19.3% |
Asian | 14.8% | 6.0% | 6.0% |
White (Non-Hispanic) | 10.3% | 58.1% | 57.4% |
Black / African American | 4.9% | 13.6% | 12.2% |
Native American / Alaska Native | 3.1% | 0.6% | 0.9% |
Method notes
Who lives in Illinois State Senate District 12? 217,115 residents as of the 2020 Census.
Demographics
Read this geography's profile in three layers: local, state (where available), and national baseline.
Population & electorate
Scale, voting-age share, and this geography's footprint inside the national electorate.
Total population
217K
Share of U.S. population
0.06%
Voting-age population
76.4%
Economic profile
Income, attainment, and ownership indicators that often shape coalition structure and turnout behavior.
Median household income
N/A
Poverty rate
N/A
College degree
N/A
Homeownership
N/A
Community profile
Age structure, language use, and nativity signals that explain how this geography differs from state and nation.
Median age
N/A
Age 18–29
N/A
Age 65+
N/A
Foreign born
N/A
Non-English at home
N/A
English only
N/A
Turnout in IL-SD-12
Estimated using 2020 Census voting-age population.
26.7%
-63.6pp
165,908
2008–2024
How competitive is IL-SD-12?
Safe DAvg margin: D+54.9 (last 3 elections)
2008
D+67.3
2012
D+73.5
2016
D+71.8
2020
D+55.1
2024
D+38.0
35.5pp
0
D+61.1
Other Illinois State Senate Districts
58 total| Name | Margin ↓ |
|---|---|
| IL-SD-07 | D+77.1 |
| IL-SD-13 | D+72.6 |
| IL-SD-03 | D+68.5 |
| IL-SD-05 | D+67.0 |
| IL-SD-06 | D+67.0 |
| IL-SD-20 | D+62.7 |
| IL-SD-17 | D+60.2 |
| IL-SD-02 | D+57.1 |
| IL-SD-04 | D+53.6 |
| IL-SD-09 | D+52.2 |
| IL-SD-15 | D+46.7 |
| IL-SD-16 | D+46.0 |
| IL-SD-39 | D+44.6 |
| IL-SD-14 | D+38.0 |
| IL-SD-29 | D+33.4 |
| IL-SD-30 | D+33.2 |
| IL-SD-01 | D+30.1 |
| IL-SD-52 | D+26.8 |
| IL-SD-21 | D+22.0 |
| IL-SD-42 | D+21.0 |
| IL-SD-11 | D+18.1 |
| IL-SD-31 | D+18.1 |
| IL-SD-22 | D+18.0 |
| IL-SD-08 | D+17.8 |
| IL-SD-27 | D+17.6 |
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