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 2026 population of 15,753. Washington is currently declining at a rate of -0.33% annually and its population has decreased by -1.94% since the most recent census, which recorded a population of 16,064 in 2020.

The median household income in Washington is $95,179 with a poverty rate of 5.13%. The median age in Washington is 38.2 years: 36.3 years for males, and 39.9 years for females. For every 100 females there are 89.7 males.

15.8K
Total Population
1,842
Density (mi²)
-52 -0.33%
Growth

Washington Population

Washington Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202615,753-52-0.33%
202515,805-52-0.33%
202415,85740.03%
202315,853-11-0.07%
202215,864-127-0.79%
202115,991-100-0.62%
202016,064-455-2.75%
201916,519-50-0.3%
201816,569-107-0.64%
201716,67680.05%
201616,6682031.23%
201516,4658235.26%
201415,642-101-0.64%
201315,7432181.4%
201215,525740.48%
201115,4511741.14%
201015,2771430.94%
200010,8417427.35%
199010,099-265-2.56%
198010,3643,57452.64%
19706,79087114.72%
19605,9191,63438.13%
19504,28500%

Median Age

Overall: 38.2 years
Female: 39.9 years
Male: 36.3 years

Washington Adults

There are 11,311 adults, (2,595 of whom are seniors) in Washington.

Sex Ratio

Female: 8,392 (52.7%)
Male: 7,527 (47.3%)

Demographics

The racial composition of Washington includes 95.3% 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)
White15,17195.3%
Two or more races3962.49%
Asian1881.18%
Other race950.6%
Black or African American690.43%
Race
Population ↓
Percentage (of total)
White2571.61%
Two or more races970.61%
Other race690.43%
Race
Population ↓
Percentage (of total)
White14,91493.69%
Two or more races2991.88%
Asian1881.18%
Black or African American690.43%
Other race260.16%

Washington Marital Status

Economics and Income Statistics

Washington 's average per capita income is $60,058. Household income levels show a median of $95,179. The poverty rate stands at 5.13%.

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$133,092-
Families$126,235$141,585
Households$95,179$116,408
Non Families$57,740$68,138

$60,058

Average Income

$95,179

Median Household Income

5.13%

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)