Zenia City is located in the state of Ohio. Its population is a mixture of people, with a median age of 37.1 years and a high percentage of people under the age of 18. The median family size was three, with forty-one percent of households consisting of married couples. Twenty-five percent of households were non-families and the remainder were made up of single adults. One in ten people were 65 or older.
Xenia, Ohio is a city in Greene County, Ohio. The population is a mixture of blacks and whites, with four percent identifying as two or more races. A further 0.8% of the population is Hispanic or other ethnicity. Xenia is home to the Greene County Jail, the Ohio Department of Transportation, and the county courthouse. As of 2010, the population density of Xenia was 2,121 people per square mile.