Adeline
- County:
- Ogle County
- County Seat:
- No
- Area (mi²):
- 0.266
- State:
- Illinois
Adeline is a village located in Ogle County, Illinois. Adeline has a 2026 population of 75. Adeline is currently declining at a rate of 0% annually and its population has decreased by -1.32% since the most recent census, which recorded a population of 76 in 2020.
The median household income in Adeline is $65,313 with a poverty rate of 4.88%. The median age in Adeline is 50.5 years: 54.5 years for males, and 43.8 years for females. For every 100 females there are 95.2 males.