
Colo
- County:
- Story County
- County Seat:
- No
- Area (mi²):
- 1.065
- State:
- Iowa
Colo is a city located in Story County, Iowa. Colo has a 2025 population of 838. Colo is currently declining at a rate of -0.24% annually and its population has decreased by -1.06% since the most recent census, which recorded a population of 847 in 2020.
The average household income in Colo is $82,127 with a poverty rate of 2.93%. The median age in Colo is 42.8 years: 48.8 years for males, and 39.8 years for females.