
Leaf River
- County:
- Ogle County
- County Seat:
- No
- Area (mi²):
- 0.869
- State:
- Illinois
Leaf River is a village located in Ogle County, Illinois. Leaf River has a 2025 population of 419. Leaf River is currently declining at a rate of -0.48% annually and its population has decreased by -2.33% since the most recent census, which recorded a population of 429 in 2020.
The average household income in Leaf River is $98,090 with a poverty rate of 14.16%. The median age in Leaf River is 43.8 years: 48.9 years for males, and 39 years for females.