Westchester, Illinois Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Westchester, Illinois is 16,524 as of the 2023 American Community Survey, making it the 152nd-largest city in Illinois. The median household income is $103,561, the median home value is $297,400, and the median age is 52.9.
The population has declined 2.5% since 2010 (16,729 → 16,313).
16,524
Population
4483
People / sq mi
$103,561
Median Income
$297,400
Median Home Value
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Westchester covers 3.7 sq mi of land at 4483 people per square mile.
About Westchester, IL
Age is the most distinctive thing about Westchester: a median age of 52.9, older than the national median. Westchester is a city in Illinois with a population of 16,524.
Households take in a median $103,561, comfortably above the US median of $78,538. Only 2.7% of residents live in poverty, below the national 12.4%. The typical home is valued at $297,400, with typical rent around $1,767.
About 45.7% of adults 25 and older have a bachelor’s degree, above the 35.0% national figure. Remote work is close to the national 14.0% at 14.3%, and the average commute runs about 27 minutes each way.
The age structure shapes everything downstream in Westchester — from housing demand to the mix of working-age earners reflected in the income figures above.
Westchester village Population History (2010-2024)
The city of Westchester village had a population of 16,729 in 2010 and 16,313 in 2024, a -2.5% growth over 14 years. The peak was 16,837 in 2013. Average annual growth rate: -0.17%.
16,313
Population (2024)
16,729
Population (2010)
16,837
Peak (2013)
-0.17%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 16,729 |
| 2011 | 16,779 |
| 2012 | 16,817 |
| 2013 | 16,837 |
| 2014 | 16,807 |
| 2015 | 16,713 |
| 2016 | 16,587 |
| 2017 | 16,431 |
| 2018 | 16,250 |
| 2019 | 16,117 |
| 2020 | 16,829 |
| 2021 | 16,513 |
| 2022 | 16,284 |
| 2023 | 16,221 |
| 2024 | 16,313 |
Race & Ethnicity
| White | 60.8% |
| Black or African American | 20.0% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.4% |
| Two or More Races | 0.0% |
Economy & Income
$103,561
Median Household Income
$53,223
Per Capita Income
2.7%
Poverty Rate
3.5%
Unemployment Rate
Housing
$297,400
Median Home Value
$1,767
Median Rent
91.4%
Owner-Occupied
Education
92.7%
High School+
45.7%
Bachelor's+
Commute
5.8%
Drive Alone
71.6%
Public Transit
14.3%
Work From Home
27.0 min
Avg Commute
Community Profile
13.7%
Foreign Born
75.3%
Non-English at Home
6.3%
Veterans
12.2%
With Disability
98.8%
Health Insurance
95.0%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 25.9% |
| Finance, Insurance & Real Estate | 15.0% |
| Retail Trade | 10.4% |
| Information | 7.7% |
| Manufacturing | 6.9% |
| Education, Health Care & Social Services | 6.3% |
| Public Administration | 4.9% |
| Arts, Entertainment & Food Services | 4.3% |
| Construction | 3.8% |
| Transportation & Warehousing | 2.0% |
| Agriculture & Mining | 1.1% |
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Frequently Asked Questions
Westchester, Illinois has a population of 16,524 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 152nd-largest city in Illinois.
The median household income in Westchester, Illinois is $103,561, with 2.7% of residents living below the federal poverty level.
The median home value in Westchester, Illinois is $297,400, with median monthly rent at $1,767 and a homeownership rate of 91.4%.
The median age in Westchester, Illinois is 52.9 years. The population is 47.7% male and 52.3% female.
The population has declined 2.5% since 2010 (16,729 → 16,313).
Westchester village, IL Climate
Westchester village, IL has an average annual temperature of 10°C (50°F) and receives about 936 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
10°C
Avg Temp
936
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -5° / 22° | 44 mm |
| February | -2° / 28° | 40 mm |
| March | 3° / 38° | 66 mm |
| April | 9° / 49° | 95 mm |
| May | 16° / 60° | 92 mm |
| June | 21° / 70° | 101 mm |
| July | 24° / 74° | 95 mm |
| August | 23° / 73° | 105 mm |
| September | 18° / 65° | 89 mm |
| October | 12° / 53° | 68 mm |
| November | 5° / 40° | 78 mm |
| December | -2° / 28° | 63 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Westchester village, IL
The most comfortable months to visit Westchester village, IL are typically June, August and September, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 30°C high). The coldest is January (near -10°C low). August is usually the wettest month.
Where to stay near Westchester
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.