McKinnon
- County:
- Sweetwater County
- County Seat:
- No
- Area (mi²):
- 5.851
- State:
- Wyoming
McKinnon is a CDP located in Sweetwater County, Wyoming. McKinnon has a 2025 population of 95. McKinnon is currently growing at a rate of 6.74% annually and its population has increased by 46.15% since the most recent census, which recorded a population of 65 in 2020.
The median age in McKinnon is 17.8 years: 0 years for males, and 0 years for females.