Highmore
- County:
- Hyde County
- County Seat:
- No
- Area (mi²):
- 1.885
- State:
- South Dakota
Highmore is a city located in Hyde County, South Dakota. Highmore has a 2026 population of 647. Highmore is currently growing at a rate of 1.89% annually but its population has decreased by -3.72% since the most recent census, which recorded a population of 672 in 2020.