State Senate District 48 State Senate District (IL) — Elections 1876–2024

Illinois 48th State Senate District, Illinois: Tossup district. In 2024, voted R+13%. Republican peak: R+27 in 1920.

Key facts

2024 presidential margin: R+13MIT Election Lab
Political archetype: TossupAkashic typology
Population: 74,3022024 5-year
Median household income: $70,8792024 5-year
White (non-Hispanic): 79.3%2024 5-year
Black: 12.0%2024 5-year
Hispanic / Latino: 3.0%2024 5-year
Peak Democratic margin: D+21 in 1964MIT Election Lab
Peak Republican margin: R+27 in 1920MIT Election Lab

2024 results by constituent county

3 counties · 0 D · 3 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	−13.2%	15,403	20,209	36,329
2020	R	−12.3%	16,484	21,228	38,662
2016	R	−15.3%	14,168	19,768	36,527
2012	R	−9.8%	15,617	19,077	35,433
2008	D	+2.3%	18,750	17,893	37,251
2004	R	−16.3%	15,039	20,960	36,286
2000	R	−9.0%	15,344	18,463	34,825
1996	D	+2.1%	15,662	14,948	33,664
1992	D	+7.1%	16,943	14,253	37,971
1988	R	−7.1%	15,814	18,262	34,272
1984	R	−16.9%	14,686	20,709	35,542
1980	R	−19.0%	12,755	19,288	34,354
1976	R	−0.6%	16,645	16,852	34,025
1972	R	−25.8%	11,840	20,165	32,263
1968	R	−3.4%	13,541	14,594	31,217
1964	D	+21.1%	19,752	12,856	32,612
1960	R	−3.8%	16,040	17,320	33,396
1956	R	−14.3%	13,546	18,083	31,661
1952	R	−6.3%	14,791	16,791	31,607
1948	R	−0.5%	13,451	13,578	27,195
1944	R	−1.5%	13,532	13,953	27,575
1940	D	+2.2%	15,723	15,050	30,917
1936	D	+12.1%	15,753	12,252	28,847
1932	D	+14.6%	15,027	11,135	26,747
1928	R	−23.9%	9,026	14,760	23,953
1924	R	−22.8%	5,978	10,640	20,465
1920	R	−26.7%	5,629	10,287	17,436
1916	R	−4.3%	8,661	9,485	18,966
1912	D	+19.7%	3,958	2,128	9,276
1908	R	−4.4%	4,325	4,752	9,648
1904	R	−16.2%	3,360	4,804	8,919
1900	D	+0.1%	4,515	4,505	9,244
1896	R	−0.9%	4,309	4,389	8,852
1892	D	+8.0%	3,703	3,111	7,381
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

20.2%

English

12.6%

Irish

11.7%

American

5.8%

Italian

4.0%

Scottish

1.9%

Polish

1.7%

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: 41.2 in this county, 39.1 nationally

Male

Age

Female

0.9%

85+

1.5%

2.5%

75–84

3.3%

5.4%

65–74

6.2%

6.6%

55–64

6.9%

6.0%

45–54

6.0%

6.3%

35–44

6.4%

5.9%

25–34

6.1%

4.1%

18–24

4.0%

8.3%

5–17

7.8%

2.8%

2.7%

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

Median household income

2024 inflation-adjusted dollars

$70,879

State Senate District 48 ranks near the middle of US counties.

State Senate District 48$70,879

Illinois$83,390

United States$80,734

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

Poverty rate

All persons below federal poverty line

13.1%

Children face moderate poverty.

Children under 1817.4%

Working age (18–64)12.3%

Seniors (65+)8.3%

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

Language at home

Population aged 5 and older

95.7%

speak English only

Spanish1.7%

Other Indo-European1.2%

Asian & Pacific Islander1.0%

Other languages0.4%

Source · ACS 5-year estimates, 2024.

Religious adherents

Adherents per capita by tradition

Catholic & Orthodox

13.2%

Other Christian

11.1%

Mainline Protestant

7.2%

Baptist

4.3%

Methodist

4.3%

Pentecostal & Holiness

3.7%

Non-Christian

1.1%

Source · 2020 US Religion Census. Remaining 55.1% of residents not counted as adherents by any reporting body.

Illinois Senate District 48 sits in the outer Chicago suburbs, where population growth and demographic change have made it a consistent bellwether for statewide suburban trends. Its R+4.6 presidential margin reflects ongoing realignment in collar-county communities.

The district's recent history is a story of close margins. The Democratic margin reached twenty-one points in 1964; the Republican margin reached twenty-seven points in 1920. Most other elections have been decided by single-digit points.

Its demographics — a population of 74,302, a 79% non-Hispanic-white share, a median household income of $70,879 — situate the district close to national averages on several dimensions.

Compare two places, side by side

Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →

Cite this page

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

State Senate District 48, Illinois. Akashic. https://akashic.app/sld-upper/17048/. Accessed May 20, 2026. License: CC BY 4.0.

License: CC BY 4.0

Frequently asked questions

How did State Senate District 48, Illinois vote in 2024?

In 2024, State Senate District 48, Illinois voted Republican by 13.2 points (R+13), carried by the Republican candidate. Out of 36,329 votes cast, 15,403 went Democratic and 20,209 went Republican.

What is State Senate District 48, Illinois's political archetype?

Akashic classifies State Senate District 48, Illinois as a "Tossup" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 10 times, Republican 24 times, and other 0 times.

When did State Senate District 48, Illinois last vote Democratic?

The most recent presidential election in which State Senate District 48, Illinois voted Democratic was 2008.

How many people live in State Senate District 48, Illinois?

State Senate District 48, Illinois has a population of 74,302 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 48, Illinois?

Median household income in State Senate District 48, Illinois is $70,879 — below the national median of $80,734. The Illinois state median is $83,390.

What is the political history of State Senate District 48, Illinois?

Akashic tracks 38 presidential elections in State Senate District 48, Illinois from 1876 to 2024. Of those, 10 went Democratic and 24 went Republican. The district's archetype — "Tossup" — captures the overall trajectory of that voting record.

Illinois 48th State Senate District delivered R+13 in 2024 — close enough to flip again next time.

Key facts

Demographics

Compare two places, side by side

Frequently asked questions