Washington Flag

Washington

County Seat:
Yes
Area (mi²):
19.343
State:
Iowa

Washington is located in Washington County, Iowa. Washington has a 2025 population of 523 . It is also the county seat of Washington County . Washington is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The average household income in Washington is $126,117 with a poverty rate of 1.91%. The median age in Washington is 44.3 years: 41.9 years for males, and 44.5 years for females. For every 100 females there are 110.9 males.

523
Total Population
27
Density (mi²)

Washington Population

Washington Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Washington includes 87.19% White, 4.59% Asian, and smaller percentages for other race and multiracial populations.

Population by Race

White (87.19%)

Two or more races (6.31%)

Asian (4.59%)

Other race (1.91%)

Race
Population
Percentage (of total)
White45687.19%
Two or more races336.31%
Asian244.59%
Other race101.91%

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 $63,864. Household income levels show a median of $99,531. The poverty rate stands at 1.91%.

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$163,971-
Families$111,442$157,908
Households$99,531$126,117
Non Families-$32,733

$63,864

Average Income

$99,531

Median Household Income

1.91%

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)