Washington is located in Preble County, Ohio. Washington has a 2025 population of 1,803. Washington is currently growing at a rate of 0.73% annually and its population has increased by 0.22% since the most recent census, which recorded a population of 1,799 in 2020.
The average household income in Washington is $109,610 with a poverty rate of 8.29%. The median age in Washington is 49.6 years: 52.3 years for males, and 48.5 years for females.
Data after 2023 is projected based on recent change
The racial composition of Washington includes 98.2% White, and smaller percentages for Two or more races and multiracial populations.
White (98.2%)
Two or more races (1.8%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 1,635 | 98.2% |
| Two or more races | 30 | 1.8% |
Married
Widowed
Divorced
Separated
Never Married
Washington's average per capita income is $52,098. Household income levels show a median of $77,021. The poverty rate stands at 8.29%.
Name | Median | Mean |
|---|---|---|
| Married Families | $105,417 | - |
| Families | $85,288 | $122,801 |
| Households | $77,021 | $109,610 |
| Non Families | $41,190 | $61,590 |
Average Income
Median Household Income
Poverty Rate