Each edition grades its towns against each other only.
Photo: Brian Stansberry · CC BY 4.0More historic than 67% of U.S. towns · #50 of 177 in Tennessee. What drives it
Most of Sweetwater was built recently: 6% of its homes predate 1940 and the median home dates from 1976. 4 places in town are on the National Register, among them a historic district with 3 buildings. Below: maps from 1885 on and the census since 1880.
Sweetwater dates its founding to 1807 (Wikipedia’s history). The census first counted it in 1880.
More historic than 67% of U.S. towns, on its age, its old homes and the National Register.
On its age, its old homes and the National Register, Sweetwater is more historic than 67% of U.S. towns, #50 of 177 in Tennessee. Its age holds the grade up; its share of homes from before 1940 pulls it down.
Tennessee towns list more on the Register than most of the country (a typical Tennessee town has 6.1 per 10,000 residents, the U.S. 2.4), so Sweetwater’s 10.7 sits near the middle of its state (64% of Tennessee towns have fewer) while its 7 historic buildings outnumber those of 73% of U.S. towns.
Founding year: Wikipedia (other dates in Quick answers). Homes: Census ACS 2020–24. National Register: National Park Service, May 2026 list; each listing counted once (boundary changes and added documentation belong to their listing), and a historic district counts its contributing buildings. How TownRatings grades history →
Read from the archive, the National Register and the record. The page puts what stands out first.
The first neighbors to add old photos shape how Sweetwater’s history is told.
Fire insurance maps drew every building, what it was made of and what it was used for, so insurers could price the risk of fire. Pick a year, then a sheet.
1885Sheet 1 of 1Sanborn Map Company, via the Library of Congress. Editions published in 1930 or earlier, which are in the public domain.
Woven from the archive, old maps, post office records, the National Register and the people born here.
BuiltCharles Owen House is built
On the mapFirst mapped by the U.S. Geological Survey
Born hereKippy Brown is born hereFrom Wikipedia’s history of Sweetwater.
A legend states that the town's name originated from settlers' descriptions of area springs.
Sweetwater was established in the 1850s on a series of lots sold by Isaac Lenoir (1807–1875), a local politician and son of the founder of Lenoir City (located a few miles to the northeast in Loudon County). Sweetwater was officially incorporated in 1875.
Text from Wikipedia, licensed CC BY-SA 4.0.
Every edition of the U.S. Geological Survey’s map of Sweetwater. Tap a year, or press play to watch the town change.
U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Sweetwater.
The country’s official list of buildings and places worth saving.
National Park Service, National Register of Historic Places. Photos from Wikimedia Commons, credited on each place’s page.
Grew from 677 people in 1880 to 6,312 in 2020, 9 times over.
15 censuses, 1880–2020.
U.S. Census Bureau decennial counts, from the census table on Sweetwater’s Wikipedia page.
Writers, athletes, leaders and more, ranked by how widely they’re known.
Sweetwater’s post office has been open since 1836. Another post office, Pond Creek, opened and closed inside today’s town.
US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).
In 1807, according to Wikipedia’s history of the town. Sweetwater’s post office opened in 1836, and the census of 1880 counted 677 people here.
Sweetwater is more historic than 67% of U.S. towns, #50 of 177 in Tennessee. The History grade combines the town’s founding era, the share of homes built before 1940 and its National Register listings. It’s a character grade, so it isn’t part of the overall grade. How it works.
4 listings: 3 buildings, among them the Charles Owen House (listed 1998, the first), and 1 historic district, the Tennessee Military Institute Residential Historic District, with 3 contributing buildings. 7 historic buildings in all.
6% of Sweetwater’s homes were built before 1940 (Census estimate, ±3.8 points), against a typical 4.9% for a Tennessee town; the median home was built in 1976.
What the archives can’t tell you, neighbors can.
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).
From Wikimedia Commons (5), Wikidata (1), the National Register of Historic Places (4), Wikipedia, Wikidata and Wikipedia for famous people, 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.
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