The Dwight post office opened in 1887, the earliest record of the town by name. Another post office, Damorris (1880), opened inside today’s city and later closed.
First census: 298 in 19102020 census: 217139 years
How did Dwight get its name?
Dwight was named for Dwight Rathbone, the owner of the original town site.
Dwight had its start in the year 1887 by the building of the Chicago, Kansas and Nebraska Railway through that territory. It was named for Dwight Rathbone, the owner of the original town site. Dwight was incorporated as a city in 1903.
The Chicago, Kansas and Nebraska Railway was foreclosed in 1891 and taken over by Chicago, Rock Island and Pacific Railway, which shut down in 1980 and reorganized as Oklahoma, Kansas and Texas Railroad, merged in 1988 with Missouri Pacific Railroad, merged in 1997 with Union Pacific Railroad. Most locals still refer to this railroad as the "Rock Island".
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 Wikimedia Commons (3), Wikipedia, 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.