
Herkimer township
- County:
- Marshall County
- County Seat:
- No
- Area (mi²):
- 35.588
- State:
- Kansas
Herkimer township is located in Marshall County, Kansas. Herkimer township has a 2025 population of 211. Herkimer township is currently declining at a rate of -1.4% annually and its population has decreased by -4.52% since the most recent census, which recorded a population of 221 in 2020.
The average household income in Herkimer township is $109,053 with a poverty rate of 0%. The median age in Herkimer township is 35.4 years: 25.8 years for males, and 50.9 years for females.