
Xenia
- County:
- Clay County
- County Seat:
- No
- Area (mi²):
- 0.493
- State:
- Illinois
Xenia is a village located in Clay County, Illinois. Xenia has a 2025 population of 366. Xenia is currently declining at a rate of -0.81% annually and its population has decreased by -3.94% since the most recent census, which recorded a population of 381 in 2020.
The average household income in Xenia is $58,141 with a poverty rate of 15.18%. The median age in Xenia is 44 years: 43.8 years for males, and 45.3 years for females.