
Beresford
- County:
- Union County
- County Seat:
- No
- Area (mi²):
- 1.784
- State:
- South Dakota
Beresford is a city located in Union County, South Dakota. Beresford has a 2025 population of 2,053. Beresford is currently declining at a rate of -1.2% annually and its population has decreased by -5.74% since the most recent census, which recorded a population of 2,178 in 2020.
The average household income in Beresford is $84,785 with a poverty rate of 5.56%. The median age in Beresford is 40.2 years: 40.4 years for males, and 38.8 years for females.