Gainesville dates to 1841, and 1 of its places is on the National Register
Most of Gainesville was built recently: 8% of its homes predate 1940 and the median home dates from 1968. Its Register listing is the John Conkin and Clara Layton Harlin House. Below: maps from 1912 on and the census since 1880.
Gainesville was platted in 1841, taking its name from Gainesville, Georgia, the native home of a large share of the early settlers. Gainesville was designated county seat of Ozark County in 1857. A post office called Gainesville has been in operation since 1860.
National Park Service, National Register of Historic Places. Photos from Wikimedia Commons, credited on each place’s page.
People over time
Gainesville, census by census
Between 165 and 773 people in every census since 1880.
15 censuses, 1880–2020.
U.S. Census Bureau decennial counts, from the census table on Gainesville’s Wikipedia page.
Questions about Gainesville’s history
What year was Gainesville founded?
In 1841, according to Wikidata and Wikipedia’s history of the town. Gainesville’s post office opened in 1860, and the census of 1880 counted 165 people here.
What is on the National Register in Gainesville?
One place: the John Conkin and Clara Layton Harlin House (listed 2003).
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 (2), the National Register of Historic Places (1), Wikipedia, U.S. Geological Survey historical maps, U.S. Census counts (via Wikipedia), the US Post Offices dataset (Blevins & Helbock), the USGS Geographic Names Information System and Sanborn fire insurance maps (Library of Congress). Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.