62305 is zip code located in Quincy, Illinois. The population is 18,275, making 62305 the 2nd largest zipcode in Quincy and the 2nd largest in Adams County.
There are 5 public schools in 62305 with an average Homefacts rating of A. The total crime rate for Quincy is high , and there are 0 registered sex offenders residing in the zip code 62305. Unemployment in 62305 is moderate.