
Box Elder
- County:
- Pennington County
- County Seat:
- No
- Area (mi²):
- 14.753
- State:
- South Dakota
Box Elder is a city located in Pennington County, South Dakota. Box Elder has a 2025 population of 15,156. Box Elder is currently growing at a rate of 4.44% annually and its population has increased by 26.99% since the most recent census, which recorded a population of 11,935 in 2020.
The average household income in Box Elder is $86,872 with a poverty rate of 7.41%. The median age in Box Elder is 28.6 years: 31 years for males, and 27.8 years for females.