
St. Johns
- County:
- Clinton County
- County Seat:
- Yes
- Area (mi²):
- 4.213
- State:
- Michigan
St. Johns is a city located in Clinton County, Michigan. St. Johns has a 2025 population of 7,699. It is also the county seat of Clinton County. St. Johns is currently declining at a rate of 0% annually and its population has increased by 0.01% since the most recent census, which recorded a population of 7,698 in 2020.
The average household income in St. Johns is $82,920 with a poverty rate of 13.44%. The median age in St. Johns is 43.5 years: 35.8 years for males, and 45.9 years for females.