
South Hills
- County:
- Jefferson County
- County Seat:
- No
- Area (mi²):
- 5.873
- State:
- Montana
South Hills is a CDP located in Jefferson County, Montana. South Hills has a 2025 population of 657. South Hills is currently growing at a rate of 1.39% annually and its population has increased by 12.12% since the most recent census, which recorded a population of 586 in 2020.
The average household income in South Hills is $240,545 with a poverty rate of 0.79%. The median age in South Hills is 47.5 years: 47.3 years for males, and 47.8 years for females.