48846 is zip code located in Ionia, Michigan. The population is 20,611, making 48846 the largest zipcode in Ionia and the largest in Ionia County.
There are 17 public schools in 48846 with an average Homefacts rating of B-. The total crime rate for Ionia is moderate , and there are 95 registered sex offenders residing in the zip code 48846. Unemployment in 48846 is moderate.