Oswego demographics profile

StatisticOswegoIllinoisNational
Population33,24512,851,684318,558,162
Population density (sq mi)2,23222291
Median age36.337.437.7
Male/Female ratio1.0:11.0:11.0:1
Married (15yrs & older)67%55%55%
Families w/ Kids under 1857%44%43%
Speak English84%77%79%
Speak Spanish10%13%13%
Oswego, IL has a population of 33,245 and is the 1,281st largest city in the United States. The population density is 2,232 per sq mi which is 904% higher than the Illinois average and 2363% higher than the national average. The median age in Oswego is 36 which is approximately 3% lower than the Illinois average of 37. In Oswego, 67% of the population over 15 years of age are married, 84% speak English and 10% speak Spanish. 71% of Oswego residents were born in Illinois, 20% were born out of state, 1% were born outside of the United States and 8% were foreign born.
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Did you know?

  • The population density in Oswego is 904% higher than Illinois.
  • The median age in Oswego is 3% lower than Illinois.
  • In Oswego 83.49% of the population is White.
  • In Oswego 6.78% of the population is Black or African American.
  • In Oswego 4.75% of the population is Asian.

Compare Oswego, IL Demographics To Other Cities

Oswego population breakdown by race

RaceOswegoIllinoisNational
White83.49%72.14%73.35%
Black or African American6.78%14.30%12.63%
Asian4.75%5.10%5.22%
American Indian0.09%0.23%0.82%
Native Hawaiian0.00%0.03%0.18%
Mixed race2.55%2.34%3.06%
Other race2.34%5.86%4.75%
In Oswego, 14.1% of people are of Hispanic or Latino origin.
Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

Languages spoken

Place of birth by citizenship

Household income distribution

Source of income

Oswego age breakdown

Marital status

Age of children in married couples

Source: The Oswego, IL demographics data displayed above is derived from the 2016 United States Census Bureau American Community Survey (ACS).
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