
Donnellson
- County:
- Montgomery County
- County Seat:
- No
- Area (mi²):
- 0.371
- State:
- Illinois
Donnellson is a village located in Montgomery County, Illinois. Donnellson has a 2025 population of 147. Donnellson is currently declining at a rate of -0.68% annually and its population has decreased by -3.29% since the most recent census, which recorded a population of 152 in 2020.
The average household income in Donnellson is $39,325 with a poverty rate of 53.38%. The median age in Donnellson is 38.5 years: 38 years for males, and 59.5 years for females.