Wikipedia doesn’t have a history of Hillsdale yet. The photos, dates and memories neighbors add here are how it gets written.
Hillsdale is an unincorporated community and census-designated place in southeastern Laramie County, Wyoming, United States. As of the 2020 census, it had a population of 40. It lies along local roads east of the city of Cheyenne, the county seat of Laramie County. Its elevation is 5,640 feet (1,720 m) above sea level. Although Hillsdale is unincorporated, it has a post office, with the ZIP code of 82060. Public education in the community of Hillsdale is provided by Laramie County School District #2. Hillsdale was named for Lathrop Hills, a Surveyor for the Union Pacific Railroad who was killed nearby along Lodgepole Creek on June 11, 1867, while leading a party surveying a route of the Tra…
Its first post office opened in 1881. Between the 2010 and 2020 censuses its population fell from 47 to 40 (-15%).
Intro from Wikipedia. Population: U.S. Census Bureau.
By decade
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Weddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.
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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 U.S. Geological Survey historical maps, 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.