
Coggon
- County:
- Linn County
- County Seat:
- No
- Area (mi²):
- 0.71
- State:
- Iowa
Coggon is a city located in Linn County, Iowa. Coggon has a 2025 population of 674. Coggon is currently declining at a rate of -0.88% annually and its population has decreased by -4.13% since the most recent census, which recorded a population of 703 in 2020.
The average household income in Coggon is $94,131 with a poverty rate of 2.55%. The median age in Coggon is 31.9 years: 34.7 years for males, and 30.3 years for females.