Douglas County ZIP Codes

List of ZIP Codes in Douglas County

The following table lists ZIP Codes associated with Douglas 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 57313 43.31085 -98.36327 Armour 1,189 2.5
2 57328 43.43413 -98.44207 Corsica 1,225 2.9
3 57330 43.26147 -98.16082 Delmont 548 1.8
4 57344 43.45575 -98.61796 Harrison 65 0.7
5 57364 43.43442 -98.61786 New Holland 4 1.4


About Douglas County ZIP Codes

Douglas County in South Dakota (SD) is served by approximately 5 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 3,031 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 Douglas County are located in cities such as Corsica, Armour, Delmont, Harrison, New Holland. These cities and towns help define the economic and demographic character of the county.

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