Washington

County:: Tazewell County
County Seat:: No
Area (mi²):: 8.55
State:: Illinois

Washington is a city located in Tazewell County, Illinois. Washington has a 2025 population of 15,685. Washington is currently declining at a rate of -0.47% annually and its population has decreased by -2.3% since the most recent census, which recorded a population of 16,055 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.

Demographics

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.

Population by Race

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%

Washington Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

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%.

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	$126,365	-
Families	$119,161	$132,669
Households	$91,360	$108,978
Non Families	$56,691	$64,722

$58,476

Average Income

$91,360

Median Household Income

4.75%

Poverty Rate