Washington Flag

Washington

County Seat:
Yes
Area (mi²):
5.405
State:
Iowa

Washington is a city located in Washington County, Iowa. Washington has a 2026 population of 7,247. It is also the county seat of Washington County. Washington is currently declining at a rate of -0.23% annually and its population has decreased by -1.37% since the most recent census, which recorded a population of 7,348 in 2020.

The median household income in Washington is $55,373 with a poverty rate of 12.79%. The median age in Washington is 42.5 years: 36.4 years for males, and 45.6 years for females. For every 100 females there are 90.0 males.

7.2K
Total Population
1,341
Density (mi²)
-17 -0.23%
Growth

Washington Population

Washington Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20267,247-17-0.23%
20257,264-17-0.23%
20247,28170.1%
20237,274-22-0.3%
20227,296-10-0.14%
20217,306-42-0.57%
20207,348-15-0.2%
20197,247-45-0.62%
20187,292-87-1.18%
20177,37950.07%
20167,374240.33%
20157,350230.31%
20147,327120.16%
20137,31520.03%
20127,313170.23%
20117,296340.47%
20107,262-4-0.06%
20007,047-27-0.38%
19907,0744907.44%
19806,5842674.23%
19706,3172804.64%
19606,0371352.29%
19505,90267512.91%
19405,2274138.58%
19304,8141172.49%
19204,6973177.24%
19104,3801252.94%
19004,2551,02031.53%
18903,2352869.7%
18802,94937414.52%
18702,57500%

Median Age

Overall: 42.5 years
Female: 45.6 years
Male: 36.4 years

Washington Adults

There are 5,801 adults, (1,683 of whom are seniors) in Washington.

Sex Ratio

Female: 3,837 (52.6%)
Male: 3,453 (47.4%)

Demographics

The racial composition of Washington includes 87.08% White, and smaller percentages for other race, Black or African American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White6,34887.08%
Two or more races6859.4%
Other race2062.83%
Black or African American510.7%
Race
Population ↓
Percentage (of total)
Two or more races5096.98%
Other race2062.83%
White1522.09%
Race
Population ↓
Percentage (of total)
White6,19684.99%
Two or more races1762.41%
Black or African American510.7%

Washington Marital Status

Economics and Income Statistics

Washington 's average per capita income is $42,938. Household income levels show a median of $55,373. The poverty rate stands at 12.79%.

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$77,931-
Families$75,422$101,359
Households$55,373$83,982
Non Families$36,053$55,336

$42,938

Average Income

$55,373

Median Household Income

12.79%

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)