Oswego

County:: Kendall County
County Seat:: No
Area (mi²):: 15.198
State:: Illinois

Oswego is a village located in Kendall County, Illinois. Oswego has a 2025 population of 38,640. Oswego is currently growing at a rate of 2.07% annually and its population has increased by 11.28% since the most recent census, which recorded a population of 34,724 in 2020.

The average household income in Oswego is $134,326 with a poverty rate of 2.26%. The median age in Oswego is 39.7 years: 38.2 years for males, and 40.2 years for females.

Demographics

The racial composition of Oswego includes 68.75% White, 12.01% Black or African American, 4.55% Asian, and smaller percentages for other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Asian

Other race

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	24,380	68.75%
Two or more races	4,288	12.09%
Black or African American	4,260	12.01%
Asian	1,614	4.55%
Other race	785	2.21%
Native American	136	0.38%
Native Hawaiian or Pacific Islander	0	0%

Oswego Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Oswego's average per capita income is $68,753. Household income levels show a median of $119,881. The poverty rate stands at 2.26%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$148,420	-
Families	$127,077	$144,183
Households	$119,881	$134,326
Non Families	$59,009	$86,459

$68,753

Average Income

$119,881

Median Household Income

2.26%

Poverty Rate