Gilpin County, Colorado ZIP Codes

3 ZIP Codes

Zip Code
City
Population ↓
80422Black Hawk4,363
80427Central City567
80474Rollinsville264

Overview of ZIP Codes in Gilpin 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.
3
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 3 ZCTAs in Gilpin County, Colorado (US Census).

Sources

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

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