With 16,436 people, Westchester is a city in Illinois. The median age is 51.6, about 13 years above the US median. Owners hold 91% of the housing stock. Few US cities rank higher on income. There are 4,459 people per square mile. About 44% of adults have finished a four-year degree.
At a glance
Wealthier
median household income $98,954, above the US median
US median: $82,259
Older
median age 51.6
US median: 38.9
More educated
44% hold a bachelor's degree
US average: 36%
Stable housing
home values roughly flat, inflation adjusted
US median home: $376,019
Unique to this place
What stands out about Westchester
What changed most since 1990
White share95.5% → 48.4%(−47.2 pts)US over the same years: −17.8 pts
Black share0.3% → 20.0%(+19.7 pts)US over the same years: +0.2 pts
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans
Veterans by period of service, 2024
Gulf War (2001 or later)11%(91)
US avg: 26.4%
Gulf War (1990s)7.7%(64)
US avg: 24.3%
Vietnam era37.6%(312)
US avg: 33.1%
Korean War8.2%(68)
US avg: 4.5%
World War II0%(0)
US avg: 1%
Share of the 830 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Over time
Westchester, decade by decade
Westchester population, inflation-adjusted income and home value, education, and diversity by year
Year
Population
Median household income
Median home value
Bachelor's degree+
Diversity score
1990
17,301
$107,127
$301,449
25.8%
10.8
2000
16,824
$107,346
$308,406
30.8%
38.2
2010
16,718
$100,238
$410,856
34.3%
65.3
2020
16,892
$107,703
$296,828
41.9%
79.9
2024
16,436
$98,954
$327,300
43.6%
81.7
Census years come from the decennial census and the latest year from the American Community Survey, so part of any change between those two rows can reflect the different surveys. Dollar figures are adjusted for inflation to 2024 dollars; a figure ending in "+" was at the Census Bureau's reporting cap that year. The diversity score runs from 0 to 100; see how it's calculated.
