Lancaster County's 2026 population is estimated at 564,256, reflecting a 0.19% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Lancaster County is the 6th largest county in Pennsylvania. The 2010 population was 520,325 and has grown 8.44% since 2010.
Overall: 39.4 years
Female: 40.7 years
Male: 38.2 years
There are 428,981 adults, (109,434 of whom are seniors) in Lancaster County.
Female: 283,559 (50.8%)
Male: 274,372 (49.2%)
The racial composition of Lancaster County includes 81.62% White, 4.15% other race, 4.01% Black or African American, and smaller percentages for Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 455,405 | 81.62% |
| Two or more races | 41,851 | 7.5% |
| Other race | 23,131 | 4.15% |
| Black or African American | 22,388 | 4.01% |
| Asian | 13,540 | 2.43% |
| Native American | 1,162 | 0.21% |
| Native Hawaiian or Pacific Islander | 454 | 0.08% |
Lancaster County 's average per capita income is $52,871. Household income levels show a median of $86,959. The poverty rate stands at 8.19%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $114,860 | $143,429 |
| Families | $104,406 | $130,777 |
| Households | $86,959 | $112,346 |
| Non Families | $49,875 | $67,080 |
Average Income
Median Household Income
Poverty Rate