Dewey County ZIP Codes

List of ZIP Codes in Dewey County

The following table lists ZIP Codes associated with Dewey 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	57601	45.36646	-100.51108	Mobridge	3,483	3.2
2	57625	44.95738	-101.00369	Eagle Butte	3,857	1.1
3	57630	45.36358	-100.89192	Glencross	21	0.1
4	57636	45.02905	-101.45414	Lantry	66	1.2
5	57652	45.13787	-100.68883	Ridgeview	377	0.6
6	57656	45.42387	-101.10696	Timber Lake	911	0.9
7	57661	45.27005	-100.96433	Whitehorse	152	2.1

About Dewey County ZIP Codes

Dewey County in South Dakota (SD) is served by approximately 7 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 8,867 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 Dewey County are located in cities such as Eagle Butte, Mobridge, Timber Lake, Ridgeview, Whitehorse. These cities and towns help define the economic and demographic character of the county.

Most ZIP Codes in Dewey County, South Dakota follow the America/Denver time zone.

Dewey County ZIP Codes

List of ZIP Codes in Dewey County

About Dewey County ZIP Codes

South Dakota Counties ZIP Codes

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