Washington Flag

Washington

County Seat:
Yes
Area (mi²):
33.556
State:
Iowa

Washington is located in Washington County, Iowa. Washington has a 2025 population of 638 . 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 $56,321 with a poverty rate of 15.99%. The median age in Washington is 56.1 years: 56.9 years for males, and 51.8 years for females. For every 100 females there are 133.7 males.

638
Total Population
19
Density (mi²)

Washington Population

Washington Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Washington includes 96.08% White, and smaller percentages for Native American and multiracial populations.

Population by Race

White (96.08%)

Two or more races (3.76%)

Native American (0.16%)

Race
Population
Percentage (of total)
White61396.08%
Two or more races243.76%
Native American10.16%

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 $41,250. Household income levels show a median of $49,271. The poverty rate stands at 15.99%.

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$71,250-
Families$70,000$73,619
Households$49,271$56,321
Non Families$32,898$34,576

$41,250

Average Income

$49,271

Median Household Income

15.99%

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)