The Odum post office opened in 1887, the earliest record of the town by name. Another post office, Haslum (1871), opened inside today’s city and later closed.
2020 census: 463139 years
Founding year: the first Odum post office (Blevins & Helbock, CC0).The full story ↓
The Georgia General Assembly incorporated Odum as a town in 1907. The community was named after Godfrey Odum, an early settler. The first Mayor was Dr. J. T. Colvin. J. A. Odum was an early councilman.
The Ritch–Carter–Martin House in Odum was added to the National Register of Historic Places in 1998.
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 (5), Wikidata (1), the National Register of Historic Places (1), 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.