South Elgin, Illinois Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of South Elgin, Illinois is 23,984 as of the 2023 American Community Survey, making it the 96th-largest city in Illinois. The median household income is $123,744, the median home value is $296,100, and the median age is 39.2.
The population has grown 13.2% since 2010 (22,020 → 24,921).
23,984
Population
3300
People / sq mi
$123,744
Median Income
$296,100
Median Home Value
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South Elgin covers 7.3 sq mi of land at 3300 people per square mile.
About South Elgin, IL
Among US cities, South Elgin stands out first on household income: a median of $123,744, above the US median of $78,538. South Elgin is a city in Illinois with a population of 23,984.
Median household income is $123,744, above the US median of $78,538. The poverty rate, 4.5%, is on the lower side for US cities and below the national 12.4%. Homes carry a median value of $296,100, with typical rent around $1,619.
Degree attainment is mid-range for US cities: 38.4% of adults hold a four-year degree, above the national 35.0%. Around 13.2% of workers work from home, below the national 14.0%, and the average commute runs about 29 minutes each way.
Taken together, the income and housing figures place South Elgin firmly in the higher-cost, higher-earning tier of US cities — a profile that tends to track dense job markets and competitive housing.
South Elgin village Population History (2010-2024)
The city of South Elgin village had a population of 22,020 in 2010 and 24,921 in 2024, a 13.2% growth over 14 years. The peak was 24,921 in 2024. Average annual growth rate: 0.91%.
24,921
Population (2024)
22,020
Population (2010)
24,921
Peak (2024)
0.91%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 22,020 |
| 2011 | 22,102 |
| 2012 | 22,127 |
| 2013 | 22,123 |
| 2014 | 22,137 |
| 2015 | 22,255 |
| 2016 | 22,360 |
| 2017 | 22,454 |
| 2018 | 23,384 |
| 2019 | 24,755 |
| 2020 | 23,846 |
| 2021 | 23,963 |
| 2022 | 24,045 |
| 2023 | 24,370 |
| 2024 | 24,921 |
Race & Ethnicity
| White | 62.0% |
| Black or African American | 5.8% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.6% |
| Two or More Races | 0.0% |
Economy & Income
$123,744
Median Household Income
$51,413
Per Capita Income
4.5%
Poverty Rate
2.0%
Unemployment Rate
Housing
$296,100
Median Home Value
$1,619
Median Rent
81.3%
Owner-Occupied
Education
90.7%
High School+
38.4%
Bachelor's+
Commute
1.3%
Drive Alone
74.0%
Public Transit
13.2%
Work From Home
28.8 min
Avg Commute
Community Profile
13.3%
Foreign Born
72.3%
Non-English at Home
3.1%
Veterans
7.8%
With Disability
93.4%
Health Insurance
96.6%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 22.9% |
| Manufacturing | 19.2% |
| Information | 10.2% |
| Finance, Insurance & Real Estate | 9.8% |
| Education, Health Care & Social Services | 6.8% |
| Retail Trade | 6.8% |
| Construction | 5.4% |
| Arts, Entertainment & Food Services | 3.5% |
| Public Administration | 2.3% |
| Transportation & Warehousing | 1.8% |
| Agriculture & Mining | 0.6% |
Largest cities in Illinois
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Part of Illinois
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City rankings
Frequently Asked Questions
South Elgin, Illinois has a population of 23,984 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 96th-largest city in Illinois.
The median household income in South Elgin, Illinois is $123,744, with 4.5% of residents living below the federal poverty level.
The median home value in South Elgin, Illinois is $296,100, with median monthly rent at $1,619 and a homeownership rate of 81.3%.
The median age in South Elgin, Illinois is 39.2 years. The population is 50.6% male and 49.4% female.
The population has grown 13.2% since 2010 (22,020 → 24,921).
Where to stay in South Elgin
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.