Owaneco
- County:
- Christian County
- County Seat:
- No
- Area (mi²):
- 0.458
- State:
- Illinois
Owaneco is a village located in Christian County, Illinois. Owaneco has a 2026 population of 204. Owaneco is currently declining at a rate of -0.49% annually and its population has decreased by -2.39% since the most recent census, which recorded a population of 209 in 2020.
The median household income in Owaneco is $65,313 with a poverty rate of 17.46%. The median age in Owaneco is 33.5 years: 36.5 years for males, and 22.1 years for females. For every 100 females there are 72.7 males.