
Quinn
- County:
- Pennington County
- County Seat:
- No
- Area (mi²):
- 1.2
- State:
- South Dakota
Quinn is a town located in Pennington County, South Dakota. Quinn has a 2025 population of 64. Quinn is currently declining at a rate of 0% annually and its population has increased by 1.59% since the most recent census, which recorded a population of 63 in 2020.
The average household income in Quinn is $110,108 with a poverty rate of 0%. The median age in Quinn is 56.7 years: 56.5 years for males, and 58.5 years for females.