
Coulter
- County:
- Franklin County
- County Seat:
- No
- Area (mi²):
- 2.47
- State:
- Iowa
Coulter is a city located in Franklin County, Iowa. Coulter has a 2025 population of 215. Coulter is currently declining at a rate of -0.46% annually and its population has decreased by -1.83% since the most recent census, which recorded a population of 219 in 2020.
The average household income in Coulter is $63,184 with a poverty rate of 15.54%. The median age in Coulter is 29.5 years: 15.7 years for males, and 46.2 years for females.