
Herreid
- County:
- Campbell County
- County Seat:
- No
- Area (mi²):
- 1.435
- State:
- South Dakota
Herreid is a city located in Campbell County, South Dakota. Herreid has a 2025 population of 397. Herreid is currently declining at a rate of -1% annually and its population has decreased by -4.57% since the most recent census, which recorded a population of 416 in 2020.
The average household income in Herreid is $86,089 with a poverty rate of 2.37%. The median age in Herreid is 41.9 years: 36.9 years for males, and 50.4 years for females.