
Lancaster
- County:
- Dallas County
- County Seat:
- No
- Area (mi²):
- 33.065
- State:
- Texas
Lancaster is a city located in Dallas County, Texas. Lancaster has a 2025 population of 39,521. Lancaster is currently declining at a rate of -0.87% annually and its population has decreased by -4.2% since the most recent census, which recorded a population of 41,255 in 2020.
The average household income in Lancaster is $84,073 with a poverty rate of 14.36%. The median age in Lancaster is 34.6 years: 30.3 years for males, and 37.1 years for females.