62018 is zip code located in Alton, Illinois. The population is 4,390, making 62018 the 2nd largest zipcode in Alton.
There are 0 public schools in 62018 with an average Homefacts rating of NA. The total crime rate for Alton is high , and there are 3 registered sex offenders residing in the zip code 62018. Unemployment in 62018 is high.
Zip codes within Alton include 62002.