Lancaster
- County:
- Atchison County
- County Seat:
- No
- Area (mi²):
- 0.199
- State:
- Kansas
Lancaster is a city located in Atchison County, Kansas. Lancaster has a 2026 population of 244. Lancaster is currently growing at a rate of 0.41% annually and its population has decreased by 0% since the most recent census, which recorded a population of 244 in 2020.
The median household income in Lancaster is $39,107 with a poverty rate of 31.69%. The median age in Lancaster is 45.7 years: 45.8 years for males, and 44.6 years for females. For every 100 females there are 113.8 males.