Population Characteristics - In-migration
By tax returns filed by individuals and households
(2018)
To resort data: click column headings. To download
data: click here.
| County Name | In-migrants (total)
Rank | In-migrants (total) | In-migration within state | Percent in-migration within state | In-migration from another state | Percent in-migration from another state | Foreign in-migration | Percent foreign in-migration |
| Ada | 1 | 15,509 | 4,592 | 29.6 | 10,848 | 69.9 | 69 | 0.4 |
| Canyon | 2 | 7,635 | 4,123 | 54.0 | 3,406 | 44.6 | 106 | 1.4 |
| Kootenai | 3 | 5,349 | 949 | 17.7 | 4,400 | 82.3 | 0 | 0.0 |
| Bonneville | 4 | 3,263 | 1,447 | 44.3 | 1,816 | 55.7 | 0 | 0.0 |
| Twin Falls | 5 | 2,296 | 1,097 | 47.8 | 1,199 | 52.2 | 0 | 0.0 |
| Bannock | 6 | 2,029 | 870 | 42.9 | 1,159 | 57.1 | 0 | 0.0 |
| Bonner | 7 | 1,642 | 458 | 27.9 | 1,184 | 72.1 | 0 | 0.0 |
| Madison | 8 | 1,448 | 427 | 29.5 | 1,021 | 70.5 | 0 | 0.0 |
| Elmore | 9 | 1,308 | 386 | 29.5 | 787 | 60.2 | 135 | 10.3 |
| Latah | 10 | 1,295 | 396 | 30.6 | 899 | 69.4 | 0 | 0.0 |
| Nez Perce | 11 | 1,183 | 400 | 33.8 | 783 | 66.2 | 0 | 0.0 |
| Bingham | 12 | 1,097 | 690 | 62.9 | 407 | 37.1 | 0 | 0.0 |
| Jefferson | 13 | 951 | 634 | 66.7 | 317 | 33.3 | 0 | 0.0 |
| Payette | 14 | 871 | 410 | 47.1 | 461 | 52.9 | 0 | 0.0 |
| Blaine | 15 | 743 | 183 | 24.6 | 560 | 75.4 | 0 | 0.0 |
| Gem | 16 | 712 | 428 | 60.1 | 284 | 39.9 | 0 | 0.0 |
| Jerome | 17 | 645 | 481 | 74.6 | 164 | 25.4 | 0 | 0.0 |
| Cassia | 18 | 619 | 393 | 63.5 | 226 | 36.5 | 0 | 0.0 |
| Valley | 19 | 605 | 314 | 51.9 | 291 | 48.1 | 0 | 0.0 |
| Minidoka | 20 | 516 | 395 | 76.6 | 121 | 23.4 | 0 | 0.0 |
| Teton | 21 | 500 | 80 | 16.0 | 420 | 84.0 | 0 | 0.0 |
| Owyhee | 22 | 405 | 314 | 77.5 | 91 | 22.5 | 0 | 0.0 |
| Gooding | 23 | 392 | 263 | 67.1 | 129 | 32.9 | 0 | 0.0 |
| Idaho | 24 | 391 | 175 | 44.8 | 216 | 55.2 | 0 | 0.0 |
| Boise | 25 | 391 | 233 | 59.6 | 158 | 40.4 | 0 | 0.0 |
| Fremont | 26 | 391 | 230 | 58.8 | 161 | 41.2 | 0 | 0.0 |
| Shoshone | 27 | 390 | 191 | 49.0 | 199 | 51.0 | 0 | 0.0 |
| Boundary | 28 | 357 | 101 | 28.3 | 256 | 71.7 | 0 | 0.0 |
| Franklin | 29 | 300 | 56 | 18.7 | 244 | 81.3 | 0 | 0.0 |
| Washington | 30 | 284 | 150 | 52.8 | 134 | 47.2 | 0 | 0.0 |
| Benewah | 31 | 251 | 115 | 45.8 | 136 | 54.2 | 0 | 0.0 |
| Clearwater | 32 | 228 | 115 | 50.4 | 113 | 49.6 | 0 | 0.0 |
| Lemhi | 33 | 207 | 78 | 37.7 | 129 | 62.3 | 0 | 0.0 |
| Adams | 34 | 194 | 129 | 66.5 | 65 | 33.5 | 0 | 0.0 |
| Power | 35 | 189 | 140 | 74.1 | 49 | 25.9 | 0 | 0.0 |
| Custer | 36 | 155 | 89 | 57.4 | 66 | 42.6 | 0 | 0.0 |
| Caribou | 37 | 144 | 80 | 55.6 | 64 | 44.4 | 0 | 0.0 |
| Lewis | 38 | 138 | 89 | 64.5 | 49 | 35.5 | 0 | 0.0 |
| Lincoln | 39 | 136 | 90 | 66.2 | 46 | 33.8 | 0 | 0.0 |
| Bear Lake | 40 | 134 | 51 | 38.1 | 83 | 61.9 | 0 | 0.0 |
| Oneida | 41 | 128 | 31 | 24.2 | 97 | 75.8 | 0 | 0.0 |
| Butte | 42 | 71 | 44 | 62.0 | 27 | 38.0 | 0 | 0.0 |
| Camas | 43 | 31 | 31 | 100.0 | NA | NA | 0 | 0.0 |
| Clark | NA | NA | NA | NA | NA | NA | NA | NA |
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