Herrick
- County:
- Gregory County
- County Seat:
- No
- Area (mi²):
- 0.515
- State:
- South Dakota
Herrick is a town located in Gregory County, South Dakota. Herrick has a 2026 population of 77. Herrick is currently growing at a rate of 1.32% annually and its population has increased by 2.67% since the most recent census, which recorded a population of 75 in 2020.
The median household income in Herrick is $53,125 with a poverty rate of 0%. The median age in Herrick is 41.9 years: 31.3 years for males, and 55.2 years for females. For every 100 females there are 217.4 males.