Wikipedia doesn’t have a history of Hammon yet. The photos, dates and memories neighbors add here are how it gets written.
Hammon is a town in the U.S. state of Oklahoma, the majority of which is in Roger Mills County, but some of which extends into Custer County. It is located at the junction of Oklahoma State Highways 33 and 34. The town is named for Indian agent James H. Hammon, who was assigned to the Red Moon Agency near the future site of Hammon. This was a subagency of the Cheyenne-Arapaho Agency at Darlington, north of Fort Reno, and his mission was to build a reservation school and to teach the Cheyenne and Arapaho to farm. His wife, Ida M. Hammon, was postmaster when a post office was established in their home on June 30, 1894. The townsite was originally located in Custer County, but when the Wichita…
Its first post office opened in 1894. Between the 2010 and 2020 censuses its population fell from 568 to 479 (-16%).
Intro from Wikipedia. Population: U.S. Census Bureau.
By decade
No old photos in the archives yet
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 the National Register of Historic Places (1), 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.
