Total Population in Lancaster County, PA
ACS 2024 5-Year Estimates
How Lancaster County Compares
National Distribution
Where Lancaster County falls among all 3,222 U.S. counties for total population.
■ Lancaster County: 557,931
Ranking Context
| Rank | County | Value |
|---|---|---|
| #123 | Baltimore city, MD | 573,243 |
| #124 | Dane County, WI | 572,674 |
| #125 | South Central Connecticut Planning Region, CT | 570,598 |
| #126 | Lancaster County, PA | 557,931 |
| #127 | Stanislaus County, CA | 553,990 |
| #128 | Spokane County, WA | 549,056 |
| #129 | Greenville County, SC | 548,166 |
Total Population in Lancaster County, Pennsylvania
Lancaster County, Pennsylvania has a total population of 557,931, which ranks #126 of 3,222 out of 3,222 counties nationwide. This is 99.8% below the national value of 330M.
Within Pennsylvania, Lancaster County ranks #6 of 67 out of 67 counties. This places it in the 96th percentile nationally.
Total population count from the American Community Survey. All data comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates for 2024.
About this data
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2024). All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.