49240 is zip code located in Grass Lake, Michigan. The population is 9,058, making 49240 the largest zipcode in Grass Lake and the 5th largest in Jackson County.
There are 3 public schools in 49240 with an average Homefacts rating of B-. , and there are 13 registered sex offenders residing in the zip code 49240. Unemployment in 49240 is very high.