
Oak Run
- County:
- Knox County
- County Seat:
- No
- Area (mi²):
- 4.276
- State:
- Illinois
Oak Run is a CDP located in Knox County, Illinois. Oak Run has a 2025 population of 704. Oak Run is currently growing at a rate of 1.44% annually and its population has increased by 50.43% since the most recent census, which recorded a population of 468 in 2020.
The average household income in Oak Run is $150,407 with a poverty rate of 4.72%. The median age in Oak Run is 60.2 years: 62.5 years for males, and 59.1 years for females.