Amherst, SD ZIP Codes, Coordinates & Counties
Amherst, South Dakota has 1 ZIP code in Marshall county. The approximate center of Amherst is 45.754, -97.916. Amherst has about 1,638 known street addresses.
ZIP codes in Amherst, SD
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 57421 | Marshall | 45.754 | -97.916 |
Counties Amherst spans
Marshall
Most common streets in Amherst
Center, 115th, 113th, 6th, 112th, 111th, 4th, Dakota
Frequently asked questions
What ZIP codes are in Amherst, SD?
Amherst, South Dakota has 1 ZIP code, ranging from 57421 to 57421. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Amherst, SD in?
Amherst is in Marshall county.
What are the latitude and longitude of Amherst, SD?
The approximate center of Amherst, South Dakota is latitude 45.754, longitude -97.916. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Amherst, SD have?
Amherst has 1 ZIP code.
How many addresses are in Amherst, SD?
Amherst, South Dakota has about 1,638 known street addresses in the sthan.io US address database.
What are the most common streets in Amherst, SD?
Some of the most common street names in Amherst are Center, 115th, 113th, 6th, 112th, 111th.
What cities are near Amherst, SD?
Cities near Amherst include Claremont (8 mi), Britton (11 mi), Langford (12 mi), Houghton (13 mi), Hecla (14 mi).
Cities near Amherst
Claremont, SD (8 mi) Britton, SD (11 mi) Langford, SD (12 mi) Houghton, SD (13 mi) Hecla, SD (14 mi) Pierpont, SD (19 mi) Cogswell, ND (20 mi) Columbia, SD (21 mi)
Need this for any US address, in code?
Get the ZIP code, county, and coordinates for any US address through the sthan.io API. Free 100 requests/month, no credit card required.
View the API →Last updated: June 2026 · Data: sthan.io US address database