Wikipedia doesn’t have a history of Cottonwood yet. The photos, dates and memories neighbors add here are how it gets written.
Cottonwood is a city in Idaho County, Idaho. On the Camas Prairie in north central Idaho, the population was 822 at the 2020 census, down from 900 in 2010 and 944 in 2000. It is just west of U.S. Route 95, between Grangeville and Lewiston.
Its first post office opened in 1875. Between the 2010 and 2020 censuses its population fell from 900 to 822 (-9%).
Intro from Wikipedia. Population: U.S. Census Bureau.
Timeline
Cottonwood, 1875 to 1967
Woven from the archive, old maps, post office records, the National Register and the people born here.
Nothing in the archives for these yearsWeddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.
Founding dates: Wikidata, Wikipedia, the U.S. post office records of Blevins & Helbock (CC0) and the Census. Homes by year built: Census ACS 2020–24. National Register of Historic Places: National Park Service (list of May 22, 2026). Old photos, postcards and papers: Wikimedia Commons, the Library of Congress and other public archives, credited on each item’s page. Maps: U.S. Geological Survey historical topographic maps (via Esri) and Sanborn fire-insurance maps (Library of Congress). History text and census tables: Wikipedia (CC BY-SA 4.0). Places that used to be: USGS Geographic Names Information System (2021). How TownRatings grades history →
From Wikimedia Commons (6), the National Register of Historic Places (1), Wikidata and Wikipedia for famous people, U.S. Geological Survey historical maps, U.S. Census counts (via Wikipedia), the US Post Offices dataset (Blevins & Helbock) and the USGS Geographic Names Information System. Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.