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, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Asian

Other race

Black or African American

Native American

Native Hawaiian or Pacific Islander

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%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%

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