Xenia is a city located in Clay County Illinois. With a 2020 population of 364, it is the 964th largest city in Illinois and the 14613th largest city in the United States . Xenia is currently declining at a rate of -0.55% annually and its population has decreased by -6.91% since the most recent census, which recorded a population of 391 in 2010. Xenia reached it's highest population of in . Spanning over 0 miles, Xenia has a population density of 738 people per square mile.
The average household income in Xenia is $49,480 with a poverty rate of 12.98%. The median rental costs in recent years comes to $399 per month, and the median house value is $59,700. The median age in Xenia is 35.8 years, 35.1 years for males, and 38.6 years for females.