Idaho Demographics Site Map

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Browse Idaho Counties & Cities Alphabetically

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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. Bonner County
9. Bingham County
10. Nez Perce County

Largest 10 Cities by Population

1. Boise City
2. Meridian
3. Nampa
4. Caldwell
5. Idaho Falls
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

20 Richest Counties in Idaho

1. Teton County
2. Blaine County
3. Ada County
4. Valley County
5. Bonneville County
6. Kootenai County
7. Camas County
8. Jefferson County
9. Bingham County
10. Adams County
11. Nez Perce County
12. Madison County
13. Jerome County
14. Twin Falls County
15. Cassia County
16. Bonner County
17. Gem County
18. Latah County
19. Canyon County
20. Franklin County

20 Richest Cities in Idaho

1. Hidden Springs
2. Rockford Bay
3. Swan Valley
4. Letha
5. Eagle
6. Sun Valley
7. Hayden Lake
8. Fernan Lake Village
9. Parkline
10. Riverside
11. Dover
12. Meridian
13. Onaway
14. East Hope
15. Star
16. Robie Creek
17. Avimor
18. Ketchum
19. Newdale
20. Driggs