Zip Code Information
ZIP Code
57421
City
Amherst
State
South Dakota
County
Marshall County
Population
77
Density
0.8 /km²
Latitude
45.75366
Longitude
-97.9163
Time Zone
America/Chicago
About Zip Code 57421
Zip Code 57421 is primarily located in Amherst, South Dakota. It covers an area in Marshall County. The population of this area is approximately 77.0, with a population density of 0.8 people per square kilometer. This Zip Code falls within the America/Chicago timezone.
Frequently Asked Questions
What city is Zip Code 57421 in? +
Zip Code 57421 is in Amherst, South Dakota.
What is the population of Zip Code 57421? +
The population of Zip Code 57421 is 77.0.
What county is Zip Code 57421 in? +
It is located in Marshall County.
What is the timezone for Zip Code 57421? +
The timezone is America/Chicago.