
Jenison
- County:
- Ottawa County
- County Seat:
- No
- Area (mi²):
- 5.855
- State:
- Michigan
Jenison is a CDP located in Ottawa County, Michigan. Jenison has a 2025 population of 17,508. Jenison is currently growing at a rate of 0.37% annually but its population has decreased by -1.92% since the most recent census, which recorded a population of 17,851 in 2020.
The average household income in Jenison is $97,287 with a poverty rate of 4.76%. The median age in Jenison is 37.4 years: 35.7 years for males, and 38.9 years for females.