20774 is zip code located in Upper Marlboro, Maryland. The population is 42,351, making 20774 the 2nd largest zipcode in Upper Marlboro and the 4th largest in Prince Georges County.
There are 5 public schools in 20774 with an average Homefacts rating of C+. The total crime rate for Upper Marlboro is low , and there are 50 registered sex offenders residing in the zip code 20774. Unemployment in 20774 is very high.