Oswego, IL Demographics

The total population of Oswego is estimated to be 34,810 with 17,097 males (49.12%) and 17,713 females (50.88%). There are 616 more females than males in Oswego.
The median household income in Oswego was $115,431 in 2021, which marked an an increase of 5,142(4.66%) from $110,289 in 2020. This income is 154.72% of the U.S. median household income of $74,606 (all incomes in 2022 inflation-adjusted dollars).
Per the latest American Community Survey by the Census Bureau, Oswego sees its highest median household income among householders in the age group of 45 to 64 years old, at $141,385. Overall, the median household income for the village of Oswego stands at $115,431.
In Oswego, the median income for all workers aged 15 years and older, regardless of work hours, was $66,859 for males and $43,936 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $82,620 for males and $66,196 for females.
In Oswego, the demographic landscape is diverse, spanning 4 distinct racial categories among households. Among these, Asian households have the highest median household income at $154,457, while Black or African American households represent the opposite end with the lowest median household income of $69,739.
In 2022, the population of Oswego was 35,850, a 1.47% increase year-by-year from 2021. Previously, in 2021, Oswego's population was 35,332, an increase of 1.77% compared to a population of 34,719 in 2020.
The median age in Oswego, IL is 39.3, as per 2021 ACS 5-Year Estimates. Of the total population, 22.97% were under the age of 15, 18.38% aged 15 to 29, 47.88% aged 30 to 64, 9.41% aged 65 to 84, and 1.36% were 85 years of age and older.
Racial distribution of Oswego population: 74.29% are White, 9.09% are Black or African American, 0.26% are American Indian and Alaska Native, 3.26% are Asian, 2.52% are some other race and 10.58% are multiracial.