Gregory County ZIP Codes

List of ZIP Codes in Gregory County

The following table lists ZIP Codes associated with Gregory 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 57317 43.13153 -98.97891 Bonesteel 621 1.5
2 57335 43.06005 -98.77255 Fairfax 313 1.2
3 57523 43.24437 -99.23795 Burke 953 1.5
4 57533 43.3463 -99.41692 Gregory 1,633 1.7
5 57538 43.12167 -99.15551 Herrick 247 0.8
6 57571 43.04152 -99.09042 Saint Charles 39 1.4


About Gregory County ZIP Codes

Gregory County in South Dakota (SD) is served by approximately 6 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 3,806 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 Gregory County are located in cities such as Gregory, Burke, Bonesteel, Fairfax, Herrick. These cities and towns help define the economic and demographic character of the county.

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