A post office was established at Blanco, Indian Territory on August 31, 1901. Blanco was named for Ramón Blanco y Erenas, one-time governor general of Cuba. The post office opened August 31, 1901.
At the time of its founding, the community was located in the Moshulatubbee District of the Choctaw Nation. It was located in either Atoka County or Tobucksy County. The settlement was in the area of the county boundary, and differing maps of the era show it in each.
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 Wikipedia, Wikidata and Wikipedia for famous people, 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.