Ranking of Idaho Counties By Net International Migration Rate per 1K in 2021
Updated on June 18, 2025.
Based on the US Census Vintage data estimates, in 2021, the Net International Migration Rate per 1K for Idaho was 0.37. Among all Idaho counties, Jerome County had the highest net international migration rate (3.06), followed by Clark County (2.52), and Blaine County (1.87).
The chart below shows the top 10 counties, and the table below shows the ranking of all Idaho counties.
You can see similar ranking information for related topics, and for other states. You can also see the ranking of all counties in the United States.
Related Topics: Idaho Census Vintage Data Topic List.
Data Source: US Census Bureau (Vintage), 2021 Census.
See this for other years:
Ranking of Idaho Counties By Net International Migration Rate per 1K in 2021
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| Rank | County | Net Intl. Migration Rate |
|---|---|---|
| 1 | Jerome County | 3.06 |
| 2 | Clark County | 2.52 |
| 3 | Blaine County | 1.87 |
| 4 | Cassia County | 1.64 |
| 5 | Boundary County | 1.53 |
| 6 | Boise County | 1.39 |
| 6 | Elmore County | 1.39 |
| 7 | Latah County | 1.27 |
| 8 | Power County | 1.26 |
| 9 | Minidoka County | 1.24 |
| 10 | Lincoln County | 1.15 |
| 11 | Camas County | 0.9 |
| 12 | Caribou County | 0.85 |
| 13 | Gooding County | 0.7 |
| 14 | Custer County | 0.69 |
| 15 | Adams County | 0.44 |
| 16 | Gem County | 0.41 |
| 16 | Twin Falls County | 0.41 |
| 17 | Madison County | 0.37 |
| 18 | Ada County | 0.35 |
| 18 | Bannock County | 0.35 |
| 19 | Bear Lake County | 0.31 |
| 20 | Fremont County | 0.3 |
| 21 | Bonner County | 0.23 |
| 21 | Canyon County | 0.23 |
| 21 | Clearwater County | 0.23 |
| 22 | Bingham County | 0.19 |
| 23 | Jefferson County | 0.16 |
| 23 | Owyhee County | 0.16 |
| 24 | Lemhi County | 0.12 |
| 24 | Nez Perce County | 0.12 |
| 24 | Payette County | 0.12 |
| 25 | Bonneville County | 0.11 |
| 26 | Washington County | 0.09 |
| 27 | Franklin County | 0.07 |
| 28 | Idaho County | 0.06 |
| 29 | Benewah County | 0 |
| 29 | Butte County | 0 |
| 29 | Lewis County | 0 |
| 29 | Oneida County | 0 |
| 29 | Shoshone County | 0 |
| 30 | Teton County | -0.08 |
| 31 | Valley County | -0.17 |
| 32 | Kootenai County | -0.21 |