Most populated ZIP codes in Idaho
The ZIP codes in Idaho with the most residents.
| Rank | ZIP code | City | County | Population | Population |
|---|
| 1 | 83646 | Meridian, ID | Ada County | 76,023 | 76,023 |
| 2 | 83301 | Twin Falls, ID | Twin Falls County | 63,592 | 63,592 |
| 3 | 83642 | Meridian, ID | Ada County | 62,279 | 62,279 |
| 4 | 83686 | Nampa, ID | Canyon County | 60,993 | 60,993 |
| 5 | 83709 | Boise, ID | Ada County | 58,928 | 58,928 |
| 6 | 83854 | Post Falls, ID | Kootenai County | 54,851 | 54,851 |
| 7 | 83440 | Rexburg, ID | Madison County | 51,421 | 51,421 |
| 8 | 83401 | Idaho Falls, ID | Bonneville County | 47,972 | 47,972 |
| 9 | 83687 | Nampa, ID | Canyon County | 43,135 | 43,135 |
| 10 | 83704 | Boise, ID | Ada County | 42,719 | 42,719 |
| 11 | 83815 | Coeur d'Alene, ID | Kootenai County | 41,405 | 41,405 |
| 12 | 83605 | Caldwell, ID | Canyon County | 41,325 | 41,325 |
| 13 | 83201 | Pocatello, ID | Bannock County | 39,902 | 39,902 |
| 14 | 83651 | Nampa, ID | Canyon County | 38,121 | 38,121 |
| 15 | 83501 | Lewiston, ID | Nez Perce County | 37,520 | 37,520 |
| 16 | 83634 | Kuna, ID | Ada County | 36,286 | 36,286 |
| 17 | 83706 | Boise, ID | Ada County | 35,524 | 35,524 |
| 18 | 83607 | Caldwell, ID | Canyon County | 35,491 | 35,491 |
| 19 | 83616 | Eagle, ID | Ada County | 35,413 | 35,413 |
| 20 | 83713 | Boise, ID | Ada County | 31,549 | 31,549 |
| 21 | 83402 | Idaho Falls, ID | Bonneville County | 29,994 | 29,994 |
| 22 | 83221 | Blackfoot, ID | Bingham County | 29,081 | 29,081 |
| 23 | 83714 | Garden City, ID | Ada County | 27,564 | 27,564 |
| 24 | 83404 | Idaho Falls, ID | Bonneville County | 27,500 | 27,500 |
| 25 | 83705 | Boise, ID | Ada County | 26,830 | 26,830 |
| 26 | 83843 | Moscow, ID | Latah County | 26,591 | 26,591 |
| 27 | 83814 | Coeur d'Alene, ID | Kootenai County | 26,059 | 26,059 |
| 28 | 83442 | Rigby, ID | Jefferson County | 25,609 | 25,609 |
| 29 | 83202 | Pocatello, ID | Bannock County | 24,513 | 24,513 |
| 30 | 83835 | Hayden, ID | Kootenai County | 24,238 | 24,238 |
| 31 | 83702 | Boise, ID | Ada County | 24,163 | 24,163 |
| 32 | 83647 | Mountain Home, ID | Elmore County | 22,952 | 22,952 |
| 33 | 83338 | Jerome, ID | Jerome County | 21,944 | 21,944 |
| 34 | 83716 | Boise, ID | Elmore County | 21,402 | 21,402 |
| 35 | 83864 | Sandpoint, ID | Bonner County | 20,514 | 20,514 |
| 36 | 83858 | Rathdrum, ID | Kootenai County | 20,137 | 20,137 |
| 37 | 83406 | Idaho Falls, ID | Bonneville County | 19,696 | 19,696 |
| 38 | 83318 | Burley, ID | Cassia County | 19,459 | 19,459 |
| 39 | 83617 | Emmett, ID | Gem County | 19,058 | 19,058 |
| 40 | 83204 | Pocatello, ID | Power County | 18,580 | 18,580 |
| 41 | 83703 | Boise, ID | Ada County | 17,583 | 17,583 |
| 42 | 83669 | Star, ID | Ada County | 16,827 | 16,827 |
| 43 | 83644 | Middleton, ID | Canyon County | 16,293 | 16,293 |
| 44 | 83333 | Hailey, ID | Blaine County | 12,682 | 12,682 |
| 45 | 83350 | Rupert, ID | Minidoka County | 12,671 | 12,671 |
| 46 | 83274 | Shelley, ID | Bingham County | 11,699 | 11,699 |
| 47 | 83661 | Payette, ID | Payette County | 11,105 | 11,105 |
| 48 | 83316 | Buhl, ID | Twin Falls County | 10,456 | 10,456 |
| 49 | 83263 | Preston, ID | Franklin County | 9,940 | 9,940 |
| 50 | 83341 | Kimberly, ID | Twin Falls County | 9,531 | 9,531 |
Source: American Community Survey 2020–2024 5-year estimates. Only ZIP codes with a delivery area are ranked. Methodology
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