Clark County, South Dakota ZIP Codes

6 ZIP Codes

Zip Code
City
Population ↓
57225Clark1,833
57278Willow Lake1,011
57258Raymond510
57271Vienna246
57217Bradley142
57236Garden City91

Overview of ZIP Codes in Clark 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.
6
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 6 ZCTAs in Clark County, South Dakota (US Census).

Sources

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

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