80534 is zip code located in Johnstown, Colorado. The population is 11,517, making 80534 the largest zipcode in Johnstown and the 9th largest in Larimer County.
There are 3 public schools in 80534 with an average Homefacts rating of B+. The total crime rate for Johnstown is very low , and there are 16 registered sex offenders residing in the zip code 80534. Unemployment in 80534 is low.