45503 is zip code located in Springfield, Ohio. The population is 33,728, making 45503 the largest zipcode in Springfield and the largest in Clark County.
There are 9 public schools in 45503 with an average Homefacts rating of C. The total crime rate for Springfield is moderate , and there are 60 registered sex offenders residing in the zip code 45503. Unemployment in 45503 is very high.