Washington is located in Washington County, Pennsylvania. Washington has a 2025 population of 15,414 . It is also the county seat of Washington County . Washington is currently growing at a rate of 0.02% annually and its population has increased by 3.67% since the most recent census, which recorded a population of 14,869 in 2020.
The average household income in Washington is $96,598 with a poverty rate of 5.35%. The median age in Washington is 44.6 years: 43.6 years for males, and 46.5 years for females. For every 100 females there are 97.9 males.
Data after 2023 is projected based on recent change
The racial composition of Washington includes 92.09% White, and smaller percentages for Black or African American, Asian, other race, Native American and multiracial populations.
White (92.09%)
Two or more races (4.86%)
Black or African American (2.73%)
Asian (0.21%)
Other race (0.11%)
Native American (0.01%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 13,869 | 92.09% |
| Two or more races | 732 | 4.86% |
| Black or African American | 411 | 2.73% |
| Asian | 31 | 0.21% |
| Other race | 16 | 0.11% |
| Native American | 1 | 0.01% |
Married
Widowed
Divorced
Separated
Never Married
Washington's average per capita income is $50,368. Household income levels show a median of $77,917. The poverty rate stands at 5.35%.
Name | Median | Mean |
|---|---|---|
| Married Families | $107,643 | - |
| Families | $95,028 | $111,015 |
| Households | $77,917 | $96,598 |
| Non Families | $48,986 | $64,030 |
Average Income
Median Household Income
Poverty Rate