
South Hill
- County:
- Pierce County
- County Seat:
- No
- Area (mi²):
- 18.585
- State:
- Washington
South Hill is a CDP located in Pierce County, Washington. South Hill has a 2025 population of 71,686. South Hill is currently growing at a rate of 1.82% annually and its population has increased by 11.83% since the most recent census, which recorded a population of 64,104 in 2020.
The average household income in South Hill is $131,478 with a poverty rate of 6.86%. The median age in South Hill is 34.4 years: 33.1 years for males, and 35.9 years for females.