
South Haven township
- County:
- Sumner County
- County Seat:
- No
- Area (mi²):
- 54.012
- State:
- Kansas
South Haven township is located in Sumner County, Kansas. South Haven township has a 2025 population of 535. South Haven township is currently declining at a rate of 0% annually and its population has increased by 0.38% since the most recent census, which recorded a population of 533 in 2020.
The average household income in South Haven township is $86,567 with a poverty rate of 12.84%. The median age in South Haven township is 39.8 years: 41.8 years for males, and 37.2 years for females.