
Clark
- County:
- Clark County
- County Seat:
- No
- Area (mi²):
- 1.353
- State:
- South Dakota
Clark is a city located in Clark County, South Dakota. Clark has a 2025 population of 1,165. Clark is currently growing at a rate of 0.26% annually and its population has increased by 1.39% since the most recent census, which recorded a population of 1,149 in 2020.
The average household income in Clark is $75,599 with a poverty rate of 11.49%. The median age in Clark is 55.1 years: 50 years for males, and 55.7 years for females.