
Lancaster
- County:
- Erie County
- County Seat:
- No
- Area (mi²):
- 2.718
- State:
- New York
Lancaster is a village located in Erie County, New York. Lancaster has a 2025 population of 9,967. Lancaster is currently declining at a rate of -0.4% annually and its population has decreased by -1.96% since the most recent census, which recorded a population of 10,166 in 2020.
The average household income in Lancaster is $81,414 with a poverty rate of 5.1%. The median age in Lancaster is 47.5 years: 42.9 years for males, and 49.7 years for females.