
Lancaster
- County:
- Worcester County
- County Seat:
- No
- Area (mi²):
- 27.469
- State:
- Massachusetts
Lancaster is located in Worcester County, Massachusetts. Lancaster has a 2025 population of 9,588. Lancaster is currently growing at a rate of 4.27% annually and its population has increased by 13.86% since the most recent census, which recorded a population of 8,421 in 2020.
The average household income in Lancaster is $141,336 with a poverty rate of 2.99%. The median age in Lancaster is 42.7 years: 39.1 years for males, and 45.4 years for females.