Boise County, Idaho ZIP Codes
- ZIP records
6 - Cities represented
6 - Sum of listed ZIP population estimates
6,053
Population sum includes positive estimates in these ZIP records; it is not an official county population.
Top ZIP Codes by Population
| Rank | ZIP Code | City | Population estimate |
|---|---|---|---|
| 1 | 83622 | Garden Valley | 2,132 |
| 2 | 83631 | Idaho City | 1,916 |
| 3 | 83629 | Horseshoe Bend | 1,749 |
| 4 | 83637 | Lowman | 226 |
| 5 | 83666 | Placerville | 30 |
Cities in Boise County
ZIP Directory
Methodology: Records are grouped by the source file's listed county and state. Population sums add positive ZIP-level estimates and are not official county totals; city counts use distinct city labels in the source.