21029 is zip code located in Clarksville, Maryland. The population is 11,236, making 21029 the largest zipcode in Clarksville and the 7th largest in Howard County.
There are 4 public schools in 21029 with an average Homefacts rating of A+. , and there are 2 registered sex offenders residing in the zip code 21029. Unemployment in 21029 is moderate.