80504 is zip code located in Longmont, Colorado. The population is 48,089, making 80504 the largest zipcode in Longmont and the largest in Boulder County.
There are 2 public schools in 80504 with an average Homefacts rating of B. The total crime rate for Longmont is moderate , and there are 82 registered sex offenders residing in the zip code 80504. Unemployment in 80504 is low.