
Fairmount township
- County:
- Leavenworth County
- County Seat:
- No
- Area (mi²):
- 39.233
- State:
- Kansas
Fairmount township is located in Leavenworth County, Kansas. Fairmount township has a 2025 population of 12,648. Fairmount township is currently growing at a rate of 1.7% annually and its population has increased by 11.74% since the most recent census, which recorded a population of 11,319 in 2020.
The average household income in Fairmount township is $121,393 with a poverty rate of 6.46%. The median age in Fairmount township is 39.5 years: 39.7 years for males, and 39 years for females.