Market insights · ID
Idaho: where people are moving, county by county
Idaho has 2,029,733 residents across 44 counties, up 9.8% in five years. Net movement with other states in 2022–2023: +5,763 tax returns and +$982.5M in income. Strongest net in-migration: Valley County, Canyon County, Gem County.
All 44 counties
Largest first. Growth is the five-year change in Census population estimates; net movement is IRS tax returns (roughly households) moving in minus out, per 1,000 residents, 2022–2023. BizyFi calculations from those totals. Income, home value and rent: Census ACS 5-year 2024.
| County | Population | 5-yr growth | Net per 1,000 | Net income in | Median income | Median home | Median rent | |
|---|---|---|---|---|---|---|---|---|
| Ada County | 546,141 | +9.6% | +4.5 | +$326.2M | $91,502 | $512,300 | $1,577 | Map |
| Canyon County | 275,123 | +18.1% | +6.7 | +$184.7M | $76,488 | $390,000 | $1,347 | Map |
| Kootenai County | 191,864 | +11.0% | +4.1 | +$153.1M | $81,861 | $518,700 | $1,492 | Map |
| Bonneville County | 135,771 | +8.8% | +2.8 | +$22.9M | $79,068 | $368,800 | $1,133 | Map |
| Twin Falls County | 97,539 | +7.9% | +3.2 | +$29.8M | $67,409 | $337,900 | $1,089 | Map |
| Bannock County | 91,591 | +4.9% | -0.3 | +$0.2M | $66,499 | $300,700 | $960 | Map |
| Madison County | 55,172 | +4.2% | -6.5 | -$20.1M | $60,160 | $414,800 | $1,014 | Map |
| Bonner County | 54,420 | +14.8% | +6.0 | +$67.3M | $66,979 | $487,900 | $1,122 | Map |
| Bingham County | 51,153 | +6.3% | +0.0 | +$10.0M | $77,878 | $293,300 | $874 | Map |
| Nez Perce County | 42,905 | +1.8% | +0.6 | +$9.5M | $72,599 | $334,700 | $1,015 | Map |
| Latah County | 41,842 | +5.6% | -3.5 | -$12.7M | $65,424 | $368,600 | $929 | Map |
| Jefferson County | 35,297 | +13.6% | +3.2 | +$25.8M | $86,679 | $408,400 | $1,138 | Map |
| Elmore County | 29,465 | +2.8% | -4.3 | -$4.0M | $65,359 | $316,500 | $1,243 | Map |
| Payette County | 27,824 | +8.8% | +1.4 | +$13.1M | $67,673 | $341,800 | $860 | Map |
| Cassia County | 26,397 | +6.6% | -5.5 | -$5.3M | $70,830 | $284,600 | $1,000 | Map |
| Jerome County | 26,362 | +8.6% | -0.3 | +$8.2M | $71,724 | $271,800 | $966 | Map |
| Blaine County | 25,517 | +4.8% | -3.4 | +$25.4M | $92,566 | $735,300 | $1,338 | Map |
| Minidoka County | 22,911 | +5.7% | -0.3 | -$2.8M | $70,377 | $262,600 | $900 | Map |
| Gem County | 21,773 | +13.0% | +6.3 | +$20.2M | $64,605 | $428,700 | $1,038 | Map |
| Idaho County | 17,874 | +7.7% | +4.0 | +$10.4M | $66,325 | $310,200 | $789 | Map |
| Gooding County | 16,446 | +5.1% | -4.0 | -$5.1M | $63,559 | $250,900 | $880 | Map |
| Franklin County | 15,889 | +11.2% | -1.1 | +$5.4M | $71,950 | $372,600 | $894 | Map |
| Fremont County | 14,208 | +5.9% | -3.5 | +$3.0M | $72,683 | $314,200 | $864 | Map |
| Shoshone County | 14,130 | +7.1% | +2.0 | +$3.3M | $55,527 | $267,400 | $943 | Map |
| Boundary County | 13,997 | +15.3% | +0.6 | +$12.4M | $67,237 | $410,500 | $877 | Map |
| Teton County | 13,254 | +12.9% | +4.8 | +$25.5M | $99,805 | $690,500 | $1,319 | Map |
| Valley County | 12,831 | +8.4% | +7.2 | +$12.5M | $76,078 | $657,000 | $1,117 | Map |
| Owyhee County | 12,661 | +5.6% | -0.8 | +$4.8M | $64,406 | $359,800 | $821 | Map |
| Washington County | 11,583 | +9.7% | -0.5 | +$6.1M | $54,000 | $278,100 | $938 | Map |
| Benewah County | 10,508 | +9.7% | +0.3 | +$4.2M | $59,794 | $293,500 | $875 | Map |
| Clearwater County | 9,118 | +4.1% | +4.6 | +$8.3M | $60,000 | $268,200 | $875 | Map |
| Boise County | 8,545 | +11.5% | -2.2 | +$13.3M | $78,774 | $476,100 | $850 | Map |
| Lemhi County | 8,474 | +6.5% | +0.7 | +$7.5M | $53,202 | $326,100 | $754 | Map |
| Power County | 8,246 | +4.6% | +1.5 | +$0.5M | $61,146 | $212,900 | $767 | Map |
| Caribou County | 7,252 | +3.4% | -6.3 | +$0.4M | $68,782 | $241,500 | $847 | Map |
| Bear Lake County | 6,727 | +5.7% | -1.3 | +$1.5M | $75,260 | $275,000 | $632 | Map |
| Lincoln County | 5,603 | +9.1% | +3.2 | +$1.7M | $71,453 | $255,600 | $1,021 | Map |
| Oneida County | 5,085 | +11.4% | +4.5 | +$2.0M | $74,954 | $272,000 | $859 | Map |
| Adams County | 5,013 | +13.3% | +12.0 | +$8.5M | $61,808 | $376,500 | $830 | Map |
| Custer County | 4,636 | +8.6% | +3.9 | +$2.8M | $67,574 | $381,700 | $691 | Map |
| Lewis County | 3,704 | +4.8% | -9.2 | -$0.5M | $51,615 | $225,300 | $737 | Map |
| Butte County | 2,783 | +7.8% | +11.5 | +$2.2M | $53,015 | $217,600 | $608 | Map |
| Camas County | 1,316 | +21.7% | +0.8 | +$0.6M | $57,955 | $304,000 | $1,000 | Map |
| Clark County | 783 | -1.0% | – | – | $55,208 | $216,900 | $773 | Map |
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Sources: U.S. Census Bureau population estimates (vintage 2025), American Community Survey 5-year (2024), and IRS Statistics of Income county-to-county migration data (2022–2023). Growth, per-1,000 and state totals are BizyFi calculations; the IRS suppresses very small flows, shown as –. Data updated 2026-10-17. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.