Idaho
URL: https://knowledge.ivjn.us/en/places/idaho.html

Idaho is a state of the United States with FIPS code 16 and capital Boise.

## Administrative divisions

Idaho is a state of the United States with FIPS state code 16[^uscb2023]. Below the state level are counties (or independent cities), then municipalities and neighborhoods[^uscb2023].

## Basic facts

- FIPS state code: 16[^uscb2023]
- Capital: Boise[^enwiki]
- Population: about 1,964,726 (2023 estimate)[^uscb2023]
- Area: 216,443 km2[^enwiki]
- Admitted to the Union: 1890[^enwiki]
- Time zone: Mountain / Pacific Time (UTC-7/-8)[^enwiki]
- ISO 3166-2: US-ID[^enwiki]

## Parent division

Located in [United States](https://knowledge.ivjn.us/en/places/united-states.html).

## Subdivisions

Major counties: [Ada County](https://knowledge.ivjn.us/en/places/id-ada-county.html), [Canyon County](https://knowledge.ivjn.us/en/places/id-canyon-county.html), [Kootenai County](https://knowledge.ivjn.us/en/places/id-kootenai-county.html), [Bonneville County](https://knowledge.ivjn.us/en/places/id-bonneville-county.html), [Bannock County](https://knowledge.ivjn.us/en/places/id-bannock-county.html).

Major cities: [Boise](https://knowledge.ivjn.us/en/places/id-boise.html), [Meridian](https://knowledge.ivjn.us/en/places/id-meridian.html), [Idaho Falls](https://knowledge.ivjn.us/en/places/id-idaho-falls.html).

Updated: 2026-10-29

Relations:
- Located in: United States https://knowledge.ivjn.us/en/places/united-states.html
- Contains places: Canyon County https://knowledge.ivjn.us/en/places/id-canyon-county.html
- Contains places: Ada County https://knowledge.ivjn.us/en/places/id-ada-county.html
- Contains places: Kootenai County https://knowledge.ivjn.us/en/places/id-kootenai-county.html
- Contains places: Bonneville County https://knowledge.ivjn.us/en/places/id-bonneville-county.html
- Contains places: Bannock County https://knowledge.ivjn.us/en/places/id-bannock-county.html
- Contains places: Boise https://knowledge.ivjn.us/en/places/id-boise.html
- Contains places: Meridian https://knowledge.ivjn.us/en/places/id-meridian.html
- Contains places: Idaho Falls https://knowledge.ivjn.us/en/places/id-idaho-falls.html
- Contains places: Adams County https://knowledge.ivjn.us/en/places/id-adams-county.html
- Contains places: Benewah County https://knowledge.ivjn.us/en/places/id-benewah-county.html

Mentioned in:
- Aberdeen https://knowledge.ivjn.us/en/places/id-aberdeen.html
- Acequia https://knowledge.ivjn.us/en/places/id-acequia.html
- Ada County https://knowledge.ivjn.us/en/places/id-ada-county.html
- Adams County https://knowledge.ivjn.us/en/places/id-adams-county.html
- Albion https://knowledge.ivjn.us/en/places/id-albion.html
- American Falls https://knowledge.ivjn.us/en/places/id-american-falls.html
- Ammon https://knowledge.ivjn.us/en/places/id-ammon.html
- Arbon Valley https://knowledge.ivjn.us/en/places/id-arbon-valley.html
- Arco https://knowledge.ivjn.us/en/places/id-arco.html
- Arimo https://knowledge.ivjn.us/en/places/id-arimo.html

Sources:
- Idaho (Wikipedia) https://en.wikipedia.org/wiki/Idaho
- U.S. Census Bureau 2023 FIPS state and county codes https://www.census.gov/library/reference/code-lists/ansi.html