Groton, SD ZIP Codes, Coordinates & Counties
Groton, South Dakota has 1 ZIP code in Brown county. The approximate center of Groton is 45.461, -98.119. Groton has about 40,148 known street addresses.
ZIP codes in Groton, SD
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 57445 | Brown | 45.461 | -98.119 |
Counties Groton spans
Brown
Most common streets in Groton
2nd, 3rd, 5th, 4th, 6th, 1st, 125th, Broadway, Main, Washington
Frequently asked questions
What ZIP codes are in Groton, SD?
Groton, South Dakota has 1 ZIP code, ranging from 57445 to 57445. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Groton, SD in?
Groton is in Brown county.
What are the latitude and longitude of Groton, SD?
The approximate center of Groton, South Dakota is latitude 45.461, longitude -98.119. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Groton, SD have?
Groton has 1 ZIP code.
How many addresses are in Groton, SD?
Groton, South Dakota has about 40,148 known street addresses in the sthan.io US address database.
What are the most common streets in Groton, SD?
Some of the most common street names in Groton are 2nd, 3rd, 5th, 4th, 6th, 1st.
What cities are near Groton, SD?
Cities near Groton include Ferney (9 mi), Bath (10 mi), Andover (10 mi), Stratford (13 mi), Claremont (16 mi).
Cities near Groton
Ferney, SD (9 mi) Bath, SD (10 mi) Andover, SD (10 mi) Stratford, SD (13 mi) Claremont, SD (16 mi) Columbia, SD (16 mi) Pierpont, SD (18 mi) Houghton, SD (19 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database