
Boulder Canyon
- County:
- Lawrence County
- County Seat:
- No
- Area (mi²):
- 3.059
- State:
- South Dakota
Boulder Canyon is a CDP located in Lawrence County, South Dakota. Boulder Canyon has a 2025 population of 706. Boulder Canyon is currently growing at a rate of 7.13% annually and its population has increased by 71.78% since the most recent census, which recorded a population of 411 in 2020.
The average household income in Boulder Canyon is $98,364 with a poverty rate of 0%. The median age in Boulder Canyon is 37.9 years: 63.6 years for males, and 37.6 years for females.