45166 is zip code located in Richland Township, Ohio. The population is 222, making 45166 the largest zipcode in Richland Township and the 8th largest in Clinton County.
There are 0 public schools in 45166 with an average Homefacts rating of NA. , and there are 0 registered sex offenders residing in the zip code 45166. Unemployment in 45166 is very high.