Frederick
- County:
- Ellsworth County
- County Seat:
- No
- Area (mi²):
- 0.192
- State:
- Kansas
Frederick is a city located in Ellsworth County, Kansas. Frederick has a 2026 population of 8. Frederick is currently declining at a rate of 0% annually and its population has increased by 14.29% since the most recent census, which recorded a population of 7 in 2020.
The median household income in Frederick is $38,831 with a poverty rate of 0%. The median age in Frederick is 67.4 years: 67.5 years for males, and 15.8 years for females. For every 100 females there are 471.4 males.