Most of Fairfield was built recently: 3% of its homes predate 1940 and the median home dates from 1972. Below: 6 old photos and papers, maps from 1950 on, and the census since 1950.
Even though the federal government opened Montana to homesteading in 1862, this area was not initially settled. Given Montana's vast and dry landscape, irrigation was necessary. In 1902 irrigation projects began, which did lead to increased grain production. Then in 1903 the Bureau of Reclamation conducted a survey of the area. The potential of the Sun River Valley was deemed so great it was promoted as “the greatest farming country under the dome of Heaven.” In 1909 homestead size was increased from 160 acres to 320 acres. This change began drawing many more settlers to Montana.
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 the Library of Congress (6), Wikipedia, 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.