Boise County, Idaho ZIP Codes

6 ZIP Codes

Zip Code
City
Population ↓
83622Garden Valley2,132
83631Idaho City1,916
83629Horseshoe Bend1,749
83637Lowman226
83666Placerville30
83602Banks0

Overview of ZIP Codes in Boise 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 Boise County, Idaho (US Census).

Sources

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

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