
Oakdale
- County:
- Washington County
- County Seat:
- No
- Area (mi²):
- 1.582
- State:
- Illinois
Oakdale is a village located in Washington County, Illinois. Oakdale has a 2025 population of 193. Oakdale is currently declining at a rate of -0.52% annually and its population has decreased by -2.03% since the most recent census, which recorded a population of 197 in 2020.
The average household income in Oakdale is $83,758 with a poverty rate of 4.59%. The median age in Oakdale is 38.5 years: 40.7 years for males, and 23.8 years for females.