
Castle township
- County:
- McPherson County
- County Seat:
- No
- Area (mi²):
- 36.078
- State:
- Kansas
Castle township is located in McPherson County, Kansas. Castle township has a 2025 population of 165. Castle township is currently growing at a rate of 0.61% annually and its population has increased by 3.13% since the most recent census, which recorded a population of 160 in 2020.
The average household income in Castle township is $65,011 with a poverty rate of 4.55%. The median age in Castle township is 49.1 years: 45 years for males, and 52.8 years for females.