Total Population in Washington County, PA
ACS 2024 5-Year Estimates
Total Population Trend
Rankings →Percentile Rank Over Time
Year-over-Year Population Change
National Distribution
How Washington County's total population of 210,042 compares to all 3,222 U.S. counties. Values range from 33 to 9,808,667.
Distribution of Total Population Across All Counties
Ranking Context
Counties ranked closest to Washington County for total population.
Nearby Rankings
Full ranking →| #331 | Harrison County, MS | 210,891 |
| #332 | Niagara County, NY | 210,721 |
| #333 | Anderson County, SC | 210,478 |
| #334 | Washington County, PA | 210,042 |
| #335 | Champaign County, IL | 208,741 |
| #336 | Butte County, CA | 207,929 |
| #337 | Onslow County, NC | 207,906 |
About Total Population
Washington County, Pennsylvania has a total population of 210,042, ranking #334 of 3,222 counties nationwide — 99.9% below the national value of 330M. Within Pennsylvania, it ranks #18 of 67. This places it in the 90th percentile nationally.
Total population count from the American Community Survey. Source: U.S. Census Bureau, American Community Survey 2024 5-Year Estimates. All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.