Total Population in Chester County, PA
ACS 2024 5-Year Estimates
547,840
Rank #131/3,222 · #7 in PA
96th
Chester 547,840
PA 13M -95.8%
US 330M
Total Population Trend
Rankings →Percentile Rank Over Time
Year-over-Year Population Change
National Distribution
How Chester County's total population of 547,840 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 Chester County for total population.
Nearby Rankings
Full ranking →| #128 | Spokane County, WA | 549,056 |
| #129 | Greenville County, SC | 548,166 |
| #130 | Guilford County, NC | 547,940 |
| #131 | Chester County, PA | 547,840 |
| #132 | Ramsey County, MN | 542,945 |
| #133 | Summit County, OH | 537,864 |
| #134 | Montgomery County, OH | 536,096 |
About Total Population
Chester County, Pennsylvania has a total population of 547,840, ranking #131 of 3,222 counties nationwide — 99.8% below the national value of 330M. Within Pennsylvania, it ranks #7 of 67. This places it in the 96th 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.