Washington is a city located in Tazewell County, Illinois. Washington has a 2025 population of 15,805 . Washington is currently declining at a rate of -0.33% annually and its population has decreased by -1.61% since the most recent census, which recorded a population of 16,064 in 2020.
The average household income in Washington is $108,978 with a poverty rate of 4.75%. The median age in Washington is 37.3 years: 36.5 years for males, and 38.5 years for females. For every 100 females there are 88.9 males.
Data after 2023 is projected based on recent change
The racial composition of Washington includes 95.42% White, and smaller percentages for Two or more races, Asian, other race, Black or African American and multiracial populations.
White (95.42%)
Two or more races (2.45%)
Asian (1.23%)
Other race (0.48%)
Black or African American (0.42%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 15,216 | 95.42% |
| Two or more races | 390 | 2.45% |
| Asian | 196 | 1.23% |
| Other race | 77 | 0.48% |
| Black or African American | 67 | 0.42% |
Married
Widowed
Divorced
Separated
Never Married
Washington's average per capita income is $58,476. Household income levels show a median of $91,360. The poverty rate stands at 4.75%.
Name | Median | Mean |
|---|---|---|
| Married Families | $126,365 | - |
| Families | $119,161 | $132,669 |
| Households | $91,360 | $108,978 |
| Non Families | $56,691 | $64,722 |
Average Income
Median Household Income
Poverty Rate