
Lancaster
- County:
- Lancaster County
- County Seat:
- Yes
- Area (mi²):
- 7.227
- State:
- Pennsylvania
Lancaster is a city located in Lancaster County, Pennsylvania. Lancaster has a 2025 population of 56,622. It is also the county seat of Lancaster County. Lancaster is currently declining at a rate of -0.47% annually and its population has decreased by -2.29% since the most recent census, which recorded a population of 57,949 in 2020.
The average household income in Lancaster is $78,243 with a poverty rate of 20.68%. The median age in Lancaster is 31.9 years: 31.7 years for males, and 32.1 years for females.