State Senate District 12 State Senate District (IL) — Elections 1876–2024

Illinois 12th 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: 80,0332024 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

2024 results by constituent county

1 counties · 1 D · 0 R

R+60

D+60

One cell per constituent county. Ordered by 2024 D-vs-R margin (bluest first). Hover for county-level numbers.

38 presidential elections

Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
Year	Won	Margin	Democratic	Republican	Total
2024	D	+41.6%	22,360	9,017	32,112
2020	D	+50.2%	26,656	8,622	35,914
2016	D	+53.1%	24,895	7,001	33,673
2012	D	+49.3%	22,989	7,653	31,117
2008	D	+53.4%	25,159	7,533	33,011
2004	D	+41.1%	22,235	9,226	31,652
2000	D	+40.0%	19,777	8,256	28,817
1996	D	+40.1%	17,812	7,128	26,667
1992	D	+30.0%	19,298	9,348	33,153
1988	D	+12.4%	17,451	13,569	31,292
1984	D	+2.6%	17,184	16,302	33,679
1980	D	+12.4%	17,368	13,229	33,407
1976	D	+8.7%	18,237	15,251	34,128
1972	R	−7.4%	16,421	19,063	35,692
1968	D	+9.4%	18,244	14,834	36,086
1964	D	+26.4%	23,740	13,834	37,574
1960	D	+13.0%	21,287	16,365	37,765
1956	R	−13.9%	15,102	19,973	35,164
1952	R	−0.7%	18,108	18,363	36,571
1948	D	+8.9%	18,790	15,688	34,686
1944	D	+15.9%	19,697	14,281	34,073
1940	D	+10.9%	18,041	14,494	32,661
1936	D	+27.5%	19,354	10,829	31,034
1932	D	+13.8%	14,197	10,659	25,703
1928	R	−6.2%	11,062	12,542	23,787
1924	R	−41.6%	3,493	10,641	17,199
1920	R	−49.0%	3,050	9,810	13,794
1916	R	−6.6%	5,860	6,729	13,126
1912	O	+13.0%	2,019	1,156	6,630
1908	R	−18.6%	2,363	3,558	6,411
1904	R	−32.1%	1,603	3,550	6,069
1900	R	−4.4%	2,876	3,147	6,195
1896	R	−18.4%	2,350	3,426	5,863
1892	D	+12.8%	2,233	1,718	4,036
1888	—	No data	—	—	—
1884	—	No data	—	—	—
1880	—	No data	—	—	—
1876	—	No data	—	—	—

Demographics

Race, ethnicity, and ancestry

Click any group to see the ancestries typically reported within it.

German

9.0%

Irish

8.4%

Polish

7.0%

Italian

4.8%

English

3.6%

American

2.2%

French

0.9%

Source · American Community Survey 5-year estimates, 2024 release. Hispanic/Latino is an ethnicity that overlaps the race categories, so these shares can total more than 100%. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.

Age distribution by sex

Median age: 38.0 in this county, 39.1 nationally

Male

Age

Female

0.7%

85+

1.3%

1.9%

75–84

2.7%

4.3%

65–74

5.1%

5.9%

55–64

6.2%

6.1%

45–54

6.2%

7.0%

35–44

7.0%

7.9%

25–34

8.0%

4.3%

18–24

4.4%

8.0%

5–17

7.7%

2.8%

2.7%

Source · American Community Survey 5-year estimates, 2024 release.

Median household income

2024 inflation-adjusted dollars

$83,498

State Senate District 12 ranks near the middle of US counties.

State Senate District 12$83,498

Illinois$83,390

United States$80,734

Source · American Community Survey 5-year estimates, 2024 release.

Poverty rate

All persons below federal poverty line

13.5%

Children face moderate poverty.

Children under 1817.9%

Working age (18–64)12.2%

Seniors (65+)14.0%

Source · American Community Survey 5-year estimates, 2024 release.

Language at home

Population aged 5 and older

64.2%

speak English only

Spanish21.1%

Other Indo-European8.3%

Asian & Pacific Islander4.3%

Other languages2.1%

Source · ACS 5-year estimates, 2024.

Religious adherents

Adherents per capita by tradition

Catholic & Orthodox

29.6%

Non-Christian

7.7%

Other Christian

6.4%

Baptist

4.8%

Mainline Protestant

2.9%

Pentecostal & Holiness

1.8%

Methodist

1.0%

Source · 2020 US Religion Census. Remaining 45.8% of residents not counted as adherents by any reporting body.

With a 2024 presidential margin exceeding 60 points, this district ranks among the most reliably Democratic state senate seats in Illinois, reflecting a dense, urban constituency where competitive general elections are exceedingly rare.

The Democratic margin in Illinois 12th 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 80,033 together describe a district whose political habits are deeply settled.

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Cite this page

All citations released under CC BY 4.0. Attribution: Akashic Intelligence.

State Senate District 12, Illinois. Akashic. https://akashic.app/sld-upper/17012/. Accessed May 20, 2026. License: CC BY 4.0.

License: CC BY 4.0

Frequently asked questions

How did State Senate District 12, Illinois vote in 2024?

In 2024, State Senate District 12, Illinois voted Democratic by 41.6 points (D+42), carried by the Democratic candidate. Out of 32,112 votes cast, 22,360 went Democratic and 9,017 went Republican.

What is State Senate District 12, Illinois's political archetype?

Akashic classifies State Senate District 12, Illinois as a "Democratic loyalist" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 22 times, Republican 11 times, and other 1 times.

When did State Senate District 12, Illinois last vote Republican?

The most recent presidential election in which State Senate District 12, Illinois voted Republican was 1972.

How many people live in State Senate District 12, Illinois?

State Senate District 12, Illinois has a population of 80,033 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.

What is the median household income in State Senate District 12, Illinois?

Median household income in State Senate District 12, Illinois is $83,498 — above the national median of $80,734. The Illinois state median is $83,390.

What is the political history of State Senate District 12, Illinois?

Akashic tracks 38 presidential elections in State Senate District 12, Illinois from 1876 to 2024. Of those, 22 went Democratic and 11 went Republican. The district's archetype — "Democratic loyalist" — captures the overall trajectory of that voting record.

Illinois 12th State Senate District has voted Democratic in thirteen straight presidential cycles.

Key facts

Demographics

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Frequently asked questions