57551 is zip code located in Martin, South Dakota. The population is 1,981, making 57551 the largest zipcode in Martin and the largest in Bennett County.
There are 3 public schools in 57551 with an average Homefacts rating of D+. The total crime rate for Martin is very high , and there are 7 registered sex offenders residing in the zip code 57551. Unemployment in 57551 is moderate.