Washington County, IL Demographics

The total population of Washington County is estimated to be 13,781 with 7,013 males (50.89%) and 6,768 females (49.11%). There are 245 less females than males in Washington County.
The median household income in Washington County was $72,454 in 2021, which marked an a decrease of 509(0.70%) from $72,963 in 2020. This income is 97.12% 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, Washington County sees its highest median household income among householders in the age group of 25 to 44 years old, at $93,444. Overall, the median household income for the county of Washington County stands at $72,454.
In Washington County, the median income for all workers aged 15 years and older, regardless of work hours, was $48,112 for males and $30,054 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $60,288 for males and $47,983 for females.
In Washington County, there are just two different racial groups among households. Among these, Two or More Races households report a median household income of $89,383, while White households have a median household income of $72,177.
In 2022, the population of Washington County was 13,643, a 0.06% decrease year-by-year from 2021. Previously, in 2021, Washington County's population was 13,651, a decline of 0.58% compared to a population of 13,731 in 2020.
The median age in Washington County, IL is 44.2, as per 2021 ACS 5-Year Estimates. Of the total population, 16.95% were under the age of 15, 16.37% aged 15 to 29, 45.92% aged 30 to 64, 18.53% aged 65 to 84, and 2.23% were 85 years of age and older.
Racial distribution of Washington County population: 96.79% are White, 0.90% are Black or African American, 0.01% are American Indian and Alaska Native, 0.87% are Asian, 0.04% are Native Hawaiian and other Pacific Islander, 0.06% are some other race and 1.34% are multiracial.