State Senate District 37 State Senate District (IL) — Elections 1876–2024

Illinois 37th State Senate District, Illinois: Bellwether district. In 2024, voted R+12%. Republican peak: R+58 in 1920.

Key facts

2024 presidential margin: R+12MIT Election Lab
Political archetype: BellwetherAkashic typology
Population: 289,8822024 5-year
Median household income: $69,6172024 5-year
White (non-Hispanic): 80.4%2024 5-year
Black: 6.0%2024 5-year
Hispanic / Latino: 10.8%2024 5-year
Peak Democratic margin: D+11 in 2008MIT Election Lab
Peak Republican margin: R+58 in 1920MIT Election Lab

2024 results by constituent county

12 counties · 3 D · 9 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	R	−11.5%	59,340	75,189	137,229
2020	R	−7.9%	63,960	75,284	142,762
2016	R	−8.5%	56,049	67,407	133,724
2012	D	+5.1%	68,101	61,374	132,280
2008	D	+11.2%	76,106	60,558	138,884
2004	R	−3.6%	66,295	71,240	138,567
2000	D	+0.8%	61,815	60,801	126,351
1996	D	+8.5%	57,907	47,879	118,414
1992	D	+6.8%	59,458	50,340	134,944
1988	R	−6.9%	56,323	64,778	121,796
1984	R	−19.9%	54,150	81,151	135,965
1980	R	−30.0%	41,002	80,750	132,686
1976	R	−12.4%	56,537	72,859	131,468
1972	R	−28.6%	46,870	84,590	131,888
1968	R	−18.9%	47,269	71,133	126,460
1964	D	+5.8%	67,713	60,284	127,998
1960	R	−19.1%	54,427	80,095	134,672
1956	R	−35.2%	40,802	85,291	126,256
1952	R	−33.1%	42,979	85,587	128,776
1948	R	−22.5%	40,026	63,493	104,194
1944	R	−21.8%	44,205	69,105	114,337
1940	R	−14.2%	55,179	73,586	129,373
1936	D	+0.4%	58,836	58,375	120,099
1932	D	+0.9%	53,946	52,979	108,570
1928	R	−32.1%	33,661	65,818	100,090
1924	R	−51.2%	12,326	56,053	85,341
1920	R	−58.0%	13,329	56,018	73,661
1916	R	−25.8%	28,607	49,663	81,763
1912	O	+10.0%	13,546	9,044	44,902
1908	R	−28.8%	14,531	27,690	45,680
1904	R	−44.9%	9,901	29,652	43,971
1900	R	−25.9%	16,911	29,340	47,987
1896	R	−24.7%	17,059	28,559	46,622
1892	R	−8.5%	16,808	20,133	39,345
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

24.5%

Irish

13.6%

English

10.5%

American

4.5%

Italian

4.4%

Polish

3.6%

French

1.5%

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: 40.9 in this county, 39.1 nationally

Male

Age

Female

0.9%

85+

1.6%

2.7%

75–84

3.3%

5.6%

65–74

5.9%

6.7%

55–64

6.7%

5.9%

45–54

5.7%

6.3%

35–44

5.8%

6.2%

25–34

5.9%

4.7%

18–24

4.4%

8.3%

5–17

8.0%

2.8%

2.7%

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

Median household income

2024 inflation-adjusted dollars

$69,617

State Senate District 37 ranks near the middle of US counties.

State Senate District 37$69,617

Illinois$83,390

United States$80,734

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

Poverty rate

All persons below federal poverty line

13.0%

Children face moderate poverty.

Children under 1817.4%

Working age (18–64)11.8%

Seniors (65+)10.2%

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

Language at home

Population aged 5 and older

91.6%

speak English only

Spanish5.4%

Other Indo-European1.6%

Asian & Pacific Islander0.9%

Other languages0.6%

Source · ACS 5-year estimates, 2024.

Religious adherents

Adherents per capita by tradition

Catholic & Orthodox

18.7%

Mainline Protestant

9.2%

Other Christian

7.3%

Methodist

4.4%

Pentecostal & Holiness

2.6%

Baptist

2.5%

Non-Christian

1.3%

Source · 2020 US Religion Census. Remaining 54.0% of residents not counted as adherents by any reporting body.

With a 2024 presidential margin of just 2 points, Illinois Senate District 37 sits at the competitive edge of a state that leans reliably Democratic statewide, making its roughly 217,000 residents an outsized factor in legislative balance.

The Democratic margin in Illinois 37th State Senate District has rarely exceeded eleven points in modern history; the Republican margin has rarely exceeded fifty-eight points. 2024 delivered the district to the Republican candidate by twelve points.

Its demographics resemble the country more than they resemble most districts. A 80% non-Hispanic-white share, a 13% poverty rate, and a median household income of $69,617 — all within the broad national range.

Compare two places, side by side

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Cite this page

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

State Senate District 37, Illinois. Akashic. https://akashic.app/sld-upper/17037/. Accessed May 20, 2026. License: CC BY 4.0.

License: CC BY 4.0

Frequently asked questions

How did State Senate District 37, Illinois vote in 2024?

In 2024, State Senate District 37, Illinois voted Republican by 11.5 points (R+12), carried by the Republican candidate. Out of 137,229 votes cast, 59,340 went Democratic and 75,189 went Republican.

What is State Senate District 37, Illinois's political archetype?

Akashic classifies State Senate District 37, Illinois as a "Bellwether" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 8 times, Republican 25 times, and other 1 times.

When did State Senate District 37, Illinois last vote Democratic?

The most recent presidential election in which State Senate District 37, Illinois voted Democratic was 2012.

How many people live in State Senate District 37, Illinois?

State Senate District 37, Illinois has a population of 289,882 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 37, Illinois?

Median household income in State Senate District 37, Illinois is $69,617 — below the national median of $80,734. The Illinois state median is $83,390.

What is the political history of State Senate District 37, Illinois?

Akashic tracks 38 presidential elections in State Senate District 37, Illinois from 1876 to 2024. Of those, 8 went Democratic and 25 went Republican. The district's archetype — "Bellwether" — captures the overall trajectory of that voting record.

Illinois 37th State Senate District delivered R+12 in 2024.

Key facts

Demographics

Compare two places, side by side

Frequently asked questions