
Castle Grove township
- County:
- Jones County
- County Seat:
- No
- Area (mi²):
- 36.054
- State:
- Iowa
Castle Grove township is located in Jones County, Iowa. Castle Grove township has a 2025 population of 339. Castle Grove township is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.
The average household income in Castle Grove township is $112,860 with a poverty rate of 0%. The median age in Castle Grove township is 34.6 years: 54.9 years for males, and 34.4 years for females.