
Sitemap to all pages covering the state of Idaho. Photo contributions by Alex Nitzman, Andy Field, Brent Ivy, Chris Kalina and Landry Heaton.
Highway Guides
Interstates
U.S. Highways
Population Statistics
| State Population | |||
|---|---|---|---|
| 1,839,106 | |||
| Metropolitan Populations | |||
| Boise City | 764,718 | Coeur d’Alene | 171,362 |
| Idaho Falls | 157,429 | Logan | 147,348 |
| Twin Falls | 114,283 | Pocatello | 94,896 |
| Top County Populations | |||
| Ada | 494,967 | Canyon | 231,105 |
| Kootenai | 171,362 | Bonneville | 123,964 |
| Twin Falls | 90,046 | Bannock | 87,018 |
| Top City Populations | |||
| Boise | 229,776 | Meridian | 121,182 |
| Nampa | 103,215 | Idaho Falls | 64,142 |
| Caldwell | 60,674 | Pocatello | 57,029 |
| Coeur d’Alene | 53,354 | Twin Falls | 51,411 |
| Sources: 2020 U.S. Census (metro populations and counties), 2020 U.S. Census Estimate (cities) | |||
About Idaho
- Capital:
Boise - Nickname: Gem State
- Area: 82,751 square miles
- Statehood: 43rd state; admitted July 3, 1890
- Total Interstate Mileage: 611.76 miles
- Highest Point: Borah Peak, 12,662 feet
Updated December 31, 2021.



Interstate 86
Interstate 90
Interstate 184
Business Loop I-84 – Caldwell-Nampa
Business Loop I-90 – Wallace
U.S. 95