
South Willard
- County:
- Box Elder County
- County Seat:
- No
- Area (mi²):
- 5.829
- State:
- Utah
South Willard is a CDP located in Box Elder County, Utah. South Willard has a 2025 population of 1,542. South Willard is currently declining at a rate of -0.13% annually but its population has increased by 1.51% since the most recent census, which recorded a population of 1,519 in 2020.
The average household income in South Willard is $117,360 with a poverty rate of 1.81%. The median age in South Willard is 41.8 years: 39 years for males, and 43.2 years for females.