Washington is a city located in Washington County, Iowa. Washington has a 2025 population of 7,264 . 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 -1.14% since the most recent census, which recorded a population of 7,348 in 2020.
The average household income in Washington is $81,641 with a poverty rate of 14.96%. The median age in Washington is 39.6 years: 36.4 years for males, and 44.2 years for females. For every 100 females there are 87.2 males.
Data after 2023 is projected based on recent change
The racial composition of Washington includes 86.3% White, 5.82% other race, and smaller percentages for Asian, Black or African American and multiracial populations.
White (86.3%)
Other race (5.82%)
Two or more races (5.82%)
Asian (1.08%)
Black or African American (0.97%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 6,312 | 86.3% |
| Other race | 426 | 5.82% |
| Two or more races | 426 | 5.82% |
| Asian | 79 | 1.08% |
| Black or African American | 71 | 0.97% |
Married
Widowed
Divorced
Separated
Never Married
Washington's average per capita income is $40,179. Household income levels show a median of $56,536. The poverty rate stands at 14.96%.
Name | Median | Mean |
|---|---|---|
| Married Families | $77,750 | - |
| Families | $71,164 | $97,440 |
| Households | $56,536 | $81,641 |
| Non Families | $38,269 | $55,412 |
Average Income
Median Household Income
Poverty Rate