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. Twin Falls County
6. Bannock County
7. Madison County
8. Bingham County
9. Bonner County
10. Nez Perce 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. Rexburg

Largest 10 Zip Codes by Population

1. 83646
2. 83301
3. 83709
4. 83686
5. 83642
6. 83854
7. 83440
8. 83401
9. 83704
10. 83605