75020 is zip code located in Denison, Texas. The population is 22,525, making 75020 the largest zipcode in Denison and the 3rd largest in Grayson County.
There are 12 public schools in 75020 with an average Homefacts rating of C+. The total crime rate for Denison is moderate , and there are 102 registered sex offenders residing in the zip code 75020. Unemployment in 75020 is moderate.
Zip codes within Denison include 75021.