Metro area in Idaho · part of the Boise City-Mountain Home-Ontario, ID-OR combined area
Boise City, ID
The Boise City metro area authorized 9,438 new housing units in 2025, the third-largest total of the 55 metro areas of 500,000 to 999,999 residents. Relative to population, the rate was 12.3 units per 1,000 residents a year in 2021–2025, the third-highest rate of the 39 metro areas based in the Mountain states. Recent building has outrun the boom: the 2021–2025 yearly average was 6.4% above the 2004–2006 average, the largest recovery by this measure among the 6 metro areas based in Idaho.
Single-family2–4 units5+ units
Its population grew 12% between 2020 and 2025, the fastest growth among the 6 metro areas based in Idaho.
Houses or apartments
In Boise City, 72% of the units authorized in 2021–2025 were single-family houses and 24% were in buildings of five or more units, against 34% nationally. The closest match in building mix among the 386 other metro areas is Little Rock (24% in five-plus buildings). That share has risen sharply since 2004–2006, when it stood at 1.4%. Units in five-plus buildings peaked in 2022 (4,074), single-family houses in 2005 (10,948).
Where in the metro
Ada County accounted for 60% of the metro area's units in 2021–2025, Canyon County for 37%.
Busiest permit offices
Across the metro area, 25 permit offices authorized new housing in 2021–2025. The busiest was Meridian, with 11,057 units or 22% of the total, followed by Nampa with 8,403. Among the three largest, Boise City put 58% of its units in five-plus buildings, Nampa 24%.
Share of the units authorized in the metro area, 2021–2025.
Boom, bust and since
Boise City authorized the most units in 2021 (12,196); 2025 reached 77% of that. Its peak year is shared by 27 other metro areas, among them Colorado Springs, Provo, Des Moines. Annual permits fell from 11,549 during the mid-2000s boom to 1,693 in 2010, a drop of 85%. The nearest bust profile in the Mountain states was Idaho Falls's (86%). Permits rose 9 years in a row up to 2019.
Similar in size
| Metro area | 2004–2025 | 2025 units | Per 1,000 a year | 5+ share |
|---|---|---|---|---|
| El Paso, TX | 2,050 | 2.8 | 7.4% | |
| Columbia, SC | 6,070 | 7.0 | 17% | |
| Cape Coral-Fort Myers, FL | 13,547 | 16.5 | 27% | |
| Lakeland-Winter Haven, FL | 8,236 | 13.8 | 21% | |
| Boise City, ID | 9,438 | 12.3 | 24% |
Rates and shares: 2021–2025.
Every yearly figure behind the chart, split by building size: yearly-units.csv. State view: Idaho. Counting rules.