
South Fork township
- County:
- Jackson County
- County Seat:
- No
- Area (mi²):
- 35.979
- State:
- Iowa
South Fork township is located in Jackson County, Iowa. South Fork township has a 2025 population of 4,508. South Fork 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 South Fork township is $83,912 with a poverty rate of 11.47%. The median age in South Fork township is 47 years: 42.8 years for males, and 51.5 years for females.