Washington is located in Washington County, Iowa. Washington has a 2025 population of 587. 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 $88,117 with a poverty rate of 10.05%.The median age in Washington is 65 years: 64.4 years for males, and 67.3 years for females.
Data after 2023 is projected based on recent change
The racial composition of Washington includes 98.13% White, and smaller percentages for other race and multiracial populations.
White (98.1%)
Other race (1.9%)
Race | Population | Percentage (of total) |
---|---|---|
White | 576 | 98.13% |
Other race | 11 | 1.87% |
Married
Widowed
Divorced
Separated
Never Married
Washington's average per capita income is $0. Household income levels show a median of $101,875. The poverty rate stands at 10.05%.
Name | Median | Mean |
---|---|---|
Married Families | $136,073 | - |
Families | $136,048 | $123,211 |
Households | $101,875 | $88,117 |
Non Families | - | $20,854 |
Average Income
Median Household Income
Poverty Rate