21824 is zip code located in Smith Island, Maryland. The population is 134, making 21824 the largest zipcode in Smith Island and the 7th largest in Somerset County.
There are 0 public schools in 21824 with an average Homefacts rating of NA. , and there are 1 registered sex offenders residing in the zip code 21824. Unemployment in 21824 is high.
Zip codes within Smith Island include 21866.