Grant County ZIP Codes

List of ZIP Codes in Grant County

The following table lists ZIP Codes associated with Grant County, South Dakota, based on ZIP Code Tabulation Area (ZCTA) data from the U.S. Census Bureau.

S.N.	Zip Code	Latitude	Longitude	City	Population	Density
1	57216	45.30041	-96.52471	Big Stone City	1,389	8.7
2	57246	45.05639	-96.66914	Labolt	142	1.8
3	57251	45.27717	-96.93677	Marvin	224	1.8
4	57252	45.20507	-96.61053	Milbank	4,882	11.4
5	57256	45.24918	-97.20156	Ortley	226	2.0
6	57259	45.00047	-96.56786	Revillo	586	1.7
7	57264	45.10863	-96.80254	Stockholm	174	1.5
8	57265	44.98866	-96.79591	Strandburg	255	1.2
9	57266	45.28619	-97.08985	Summit	628	1.9
10	57269	45.22273	-96.80182	Twin Brooks	257	1.1

About Grant County ZIP Codes

Grant County in South Dakota (SD) is served by approximately 10 ZIP Codes. These codes cover residential neighborhoods, business districts, and rural areas that fall under the county's jurisdiction.

Based on ZIP-level population estimates, the total population covered by these ZIP Codes is around 8,763 people. Population and density values vary from one ZIP Code to another, reflecting the mix of dense urban communities and lower-density suburban or rural zones.

Many of the most significant population centers in Grant County are located in cities such as Milbank, Big Stone City, Summit, Revillo, Twin Brooks. These cities and towns help define the economic and demographic character of the county.

Most ZIP Codes in Grant County, South Dakota follow the America/Chicago time zone.

Grant County ZIP Codes

List of ZIP Codes in Grant County

About Grant County ZIP Codes

South Dakota Counties ZIP Codes

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