48091 is zip code located in Warren, Michigan. The population is 31,229, making 48091 the largest zipcode in Warren and the 8th largest in Macomb County.
There are 13 public schools in 48091 with an average Homefacts rating of C-. The total crime rate for Warren is moderate , and there are 123 registered sex offenders residing in the zip code 48091. Unemployment in 48091 is moderate.