Washington Flag

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.

15.7K
Total Population
1,834
Density (mi²)
-74 -0.47%
Growth

Washington Population

Washington Population

Data after 2023 is projected based on recent change

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)
White15,21695.42%
Two or more races3902.45%
Asian1961.23%
Other race770.48%
Black or African American670.42%

Washington Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

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

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)