41631 is zip code located in Grethel, Kentucky. The population is 1,009, making 41631 the largest zipcode in Grethel and the 8th largest in Floyd County.
There are 1 public schools in 41631 with an average Homefacts rating of A-. , and there are 1 registered sex offenders residing in the zip code 41631. Unemployment in 41631 is high.