Big Flat’s post office opened in 1873, and 39% of its homes were built before 1940
Its Register listings are the Big Flat School Gymnasium, the Domino Shed and the Uncle Willie Huffines Park. Below: maps from 1966 on and the census since 1940.
The Big Flat post office opened in 1873, the earliest record of the town by name. Another post office, Bigflat (1873), opened inside today’s town and later closed.
First census: 210 in 19402020 census: 88153 years
Founding year: the first Big Flat post office (Blevins & Helbock, CC0).
What stands out about Big Flat’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
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 (3), 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.