
Lancaster
- County:
- Los Angeles County
- County Seat:
- No
- Area (mi²):
- 94.282
- State:
- California
Lancaster is a city located in Los Angeles County, California. Lancaster has a 2025 population of 161,664. Lancaster is currently declining at a rate of -1.39% annually and its population has decreased by -6.6% since the most recent census, which recorded a population of 173,094 in 2020.
The average household income in Lancaster is $94,629 with a poverty rate of 15.46%. The median age in Lancaster is 34.2 years: 32.7 years for males, and 35.7 years for females.