Main facts about zip code 57421.
| Continent: | North America |
| Country: | USA |
| State: | South Dakota |
| County: | Marshall County |
| Primary City: | Amherst |
| 57421 | |
| Amherst |
| Zip Type: | STANDARD |
| Decommissioned: | No |
| Time Zone: | America/Chicago |
| Area Land: | 102,347,023 |
| Area Codes: | 605 |
Detailed statistics information for zip code 57421 including housing count, population earnings , household income, rent statistics and home value data.
| Area: | 102,608,893 |
| Housing Count: | 53 |
| Population In Poverty: | 21 % |
| Median Earnings Past Year: | 25,104 $ |
| Median Household Income: | 19,750 $ |
| Median Home Value: | 57,500 $ |
What percent of the zip code 57421 do you think is covered with water ? Total Land and water area measurements and water to land ratio for the zip code 57421: land - 99.74%, water - 0.26%
Housholds statistics for zip code 57421
View zip code 57421 location information on the map.