Pennington County, South Dakota ZIP Codes

9 ZIP Codes

Zip Code
City
Population ↓
57701Rapid City45,795
57702Rapid City35,595
57703Rapid City18,013
57745Hill City1,894
57790Wall1,147
57751Keystone893
57775Quinn191
57725Caputa130
57780Scenic70

Overview of ZIP Codes in Pennington County

ZCTAs are geographic areas created by the US Census Bureau to approximate the delivery areas of ZIP Codes for statistical analysis. While ZCTAs use the same five-digit codes as ZIP Codes, they represent defined geographic areas that may not exactly match the mail delivery routes of ZIP Codes.
9
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 9 ZCTAs in Pennington County, South Dakota (US Census).

Sources

  1. US Census: 2025 Gazetteer Files
  2. US Census: ZIP Code Tabulation Areas (ZCTAs)

Recommended Reading