
Donnellson
- County:
- Lee County
- County Seat:
- No
- Area (mi²):
- 1.273
- State:
- Iowa
Donnellson is a city located in Lee County, Iowa. Donnellson has a 2025 population of 852. Donnellson is currently declining at a rate of -0.81% annually and its population has decreased by -3.95% since the most recent census, which recorded a population of 887 in 2020.
The average household income in Donnellson is $78,378 with a poverty rate of 13.91%. The median age in Donnellson is 37.4 years: 41.8 years for males, and 35.3 years for females.