CACrown ArchivesThe cinema collection
EN/FR
Search
Menu
Research dossier · Places & Architecture

Idaho City, Idaho

city in and the county seat of Boise County, Idaho, United States

Architectural plans, a scale model, maps and brass measuring instruments
Places and architectureInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionSep 16, 2026
Entity authorityQ990262 ↗
Source-derived summary

Idaho City is an historic mining town in the western United States and the county seat of Boise County, Idaho. Located about 36 miles (58 km) northeast of Boise, its population was 466 at the 2020 census.

Part of the Boise metropolitan area, Idaho City is adjacent to State Highway 21 (Ponderosa Pine Scenic Byway), its elevation is 3,988 feet (1,216 m) above sea level.

History

Idaho City was founded in December 1862 as “Bannock” (sometimes given as “West Bannock”), amidst the Boise Basin gold rush during the Civil War, the largest since the California gold rush a dozen years earlier. Near the confluence of Elk and Mores Creeks, its plentiful water supply allowed it to outgrow the other nearby camps in the basin, such as Placerville, Pioneerville, and Centerville. As its population swelled, the new Idaho Territorial legislature changed the town's name to “Idaho City,” to avoid confusion with Bannack, in present-day Beaverhead County, the southwestern corner of Montana.

At its peak during the mid-1860s, there were more than 200 businesses in town, including three dozen saloons and two dozen law offices. Its 1864 population of 7,000 made it the largest city in the Northwest, bigger than Portland. Wood was the prime source of both shelter and heat, which caused Idaho City to burn four times: 1865, 1867, 1868, and 1871. Five businesses on Main Street burned again in the early hours of June 5, 2015.

Editorial summary

This brief starts where responsible research should: with the source description of “Idaho City, Idaho” as city in and the county seat of Boise County, Idaho, United States. Everything that follows is an evidence route, not borrowed authority.

Editorial reviewA strong orientation record where physical form, institutional use and historical geography need to be read together. The current lead gives the account dated anchors—2020, 1862, 1864, 1865—that can be checked directly. The linked authority record independently contributes the date 1862. The account is most persuasive where Idaho, City and city can be independently traced.
Editorial analysis

Why this record matters

The subject matters to the places & architecture register because the source frames it as city in and the county seat of Boise County, Idaho, United States. Its deeper value depends on whether names, dates, institutions and citations support that framing.

Evidence profile

Maps, plans, fabric surveys and administrative records can establish how the site’s name, extent and function changed over time. The source revision retrieved here is dated Sep 16, 2026. The linked authority identifier is Q990262. VIAF identifies the subject as 145875053. The Library of Congress control number is nr2001046299. Authority coordinates are 43.829, -115.832. 4 of 4 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 2020, 1862, 1864 and 1865.

Critical limits

Modern boundaries and familiar names can conceal earlier jurisdictions or structures that do not align with the present site. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Treat names, boundaries and functions as historically changeable. Maps, plans, inventories and administrative records can clarify what the place meant at different dates.

Best used for
  • Historic place names
  • Jurisdictional context
  • Routes into maps and plans
Verify next

Contemporary maps, plans, listed-building records, estate papers and the responsible local or national archive.

Three-step research path

  1. Establish the record: confirm the title “Idaho City, Idaho”, its source revision and the description used here.
  2. Expand the search: follow Idaho City, Idaho primary sources, Idaho City, Idaho archive and Idaho research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “Idaho City, Idaho”?
  2. Which earlier names or jurisdictions may reveal additional records?
  3. Which authority defined the place, boundary or structure at the relevant date?
Subject index

Search terms from this dossier

Source & attribution

This entry incorporates text from “Idaho City, Idaho” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.