| Official Name: | South Hills, Montana |
| Settlement Type: | Census-designated place |
| Mapsize: | 250px |
| Pushpin Map: | Montana#USA |
| Pushpin Label: | South Hills |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Montana |
| Subdivision Type2: | County |
| Subdivision Name2: | Jefferson |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 15.21 |
| Area Land Km2: | 15.21 |
| Area Water Km2: | 0.00 |
| Area Total Sq Mi: | 5.87 |
| Area Land Sq Mi: | 5.87 |
| Area Water Sq Mi: | 0.00 |
| Population As Of: | 2020 |
| Population Total: | 644 |
| Population Density Km2: | 42.34 |
| Population Density Sq Mi: | 109.65 |
| Timezone: | Mountain (MST) |
| Utc Offset: | -7 |
| Timezone Dst: | MDT |
| Utc Offset Dst: | -6 |
| Elevation Ft: | 4803 |
| Coordinates: | 46.5564°N -111.9978°W |
| Postal Code Type: | ZIP code |
| Area Code: | 406 |
| Blank Name: | FIPS code |
| Blank Info: | 30-69725 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2583848 |
South Hills is a census-designated place (CDP) in Jefferson County, Montana, United States. The population was 517 at the 2010 census.[2]
South Hills is in northern Jefferson County. It is bordered to the south and east by unincorporated Montana City and to the north by the city of Helena in Lewis and Clark County.
According to the U.S. Census Bureau, the South Hills CDP has an area of 15.2sqkm, all land.[2] The community is drained by east-flowing tributaries of Prickly Pear Creek, which flows north to the Missouri River.