The Whitewater post office opened in 1853, the earliest record of the town by name. Another post office, White Water (1853), opened inside today’s town and later closed.
2020 census: 88173 years
Founding year: the first Whitewater post office (Blevins & Helbock, CC0).The full story ↓
What stands out about Whitewater’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Whitewater was first settled in 1866 on lands belonging to William 'Uncle Bill' DeVore and Linus Sanford. It was incorporated as a town in 1898. Whitewater was situated along the St. Louis, Iron Mountain and Southern Railway. In 1915, the town had a population of 350, with a number of stores, hotels, a school and churches.
The first mayor of Whitewater was P. N. O'Brien who was born in St. Louis in 1851 and who had previously lived in Cape Girardeau as he had owned the J. S. Albert Grocer Company in Cape Girardeau and helped found Shell & Albert, the first mercantile business in Whitewater; O'Brien also served the Whitewater postmaster for nearly a quarter of a century.
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, 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.