Idaho Demographics Site Map

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Browse Idaho Zip Codes

• Zip Codes by Population

Largest 10 Counties by Population

1. Ada County
2. Canyon County
3. Kootenai County
4. Bonneville County
5. Bannock County
6. Twin Falls County
7. Bingham County
8. Bonner County
9. Nez Perce County
10. Latah County

Largest 10 Cities by Population

1. Boise City
2. Meridian
3. Nampa
4. Idaho Falls
5. Caldwell
6. Pocatello
7. Coeur d'Alene
8. Twin Falls
9. Post Falls
10. Lewiston

Largest 10 Zip Codes by Population

1. 83646
2. 83709
3. 83301
4. 83686
5. 83605
6. 83642
7. 83401
8. 83854
9. 83704
10. 83201