45390 is zip code located in Union City, Ohio. The population is 3,406, making 45390 the largest zipcode in Union City and the 4th largest in Darke County.
There are 3 public schools in 45390 with an average Homefacts rating of B. , and there are 7 registered sex offenders residing in the zip code 45390. Unemployment in 45390 is moderate.