Washington County's estimated 2026 population is 210,614 with a growth rate of 0.04% in the past year according to the most recent United States census data. Washington County is the 18th largest county in Pennsylvania. The 2010 population was 207,944 and has seen a growth of 1.28% since that time.
Data after 2023 is projected based on recent change
The racial composition of Washington County includes 90.78% White, 3.18% Black or African American, and smaller percentages for Asian, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
White (90.78%)
Two or more races (4.06%)
Black or African American (3.18%)
Asian (1.21%)
Other race (0.65%)
Native American (0.09%)
Native Hawaiian or Pacific Islander (0.03%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 190,444 | 90.78% |
| Two or more races | 8,511 | 4.06% |
| Black or African American | 6,679 | 3.18% |
| Asian | 2,537 | 1.21% |
| Other race | 1,357 | 0.65% |
| Native American | 186 | 0.09% |
| Native Hawaiian or Pacific Islander | 64 | 0.03% |
Married
Widowed
Divorced
Separated
Never Married
Washington County's average per capita income is $53,293. Household income levels show a median of $77,487. The poverty rate stands at 9.36%.
Name | Median | Mean |
|---|---|---|
| Married Families | $119,420 | $145,102 |
| Families | $102,913 | $128,554 |
| Households | $77,487 | $104,399 |
| Non Families | $42,944 | $58,525 |
Average Income
Median Household Income
Poverty Rate