
Aumsville
- County:
- Marion County
- County Seat:
- No
- Area (mi²):
- 1.129
- State:
- Oregon
Aumsville is a city located in Marion County, Oregon. Aumsville has a 2025 population of 4,108. Aumsville is currently declining at a rate of -0.68% annually and its population has decreased by -3.27% since the most recent census, which recorded a population of 4,247 in 2020.
The average household income in Aumsville is $101,315 with a poverty rate of 12.23%. The median age in Aumsville is 39.1 years: 36.3 years for males, and 40.6 years for females.