Ontario is located in Richland County, OH. The population is 6,154, making Ontario the 3rd largest city in Richland County.
There are 4 public schools in Ontario with an average Homefacts rating of NA. The total crime rate for Ontario is very low , and there are 13 registered sex offenders residing in the city. Unemployment in Ontario is very high and the median home sales price is $0. Detailed and up-to-date Ontario property reports are available for any property address.
Cities near Ontario include Springfield Township, Mansfield and Mansfield Township.