
Gwinn
- County:
- Marquette County
- County Seat:
- No
- Area (mi²):
- 2.812
- State:
- Michigan
Gwinn is a CDP located in Marquette County, Michigan. Gwinn has a 2025 population of 1,233. Gwinn is currently declining at a rate of -3.6% annually and its population has decreased by -29.18% since the most recent census, which recorded a population of 1,741 in 2020.
The average household income in Gwinn is $58,188 with a poverty rate of 12.93%. The median age in Gwinn is 32.3 years: 37.1 years for males, and 30.6 years for females.