Signal Mountain’s post office opened in 1915, and 2 of its places are on the National Register
More historic than 44% of U.S. towns · #98 of 177 in Tennessee. What drives it
Most of Signal Mountain was built recently: 6% of its homes predate 1940 and the median home dates from 1977. 2 places in town are on the National Register, among them a historic district with 174 buildings. Below: 1 old photo or paper, maps from 1936 on, and the census since 1920.
Founding year: the first Signal Mountain post office (Blevins & Helbock, CC0). Wikidata: 1919.The full story ↓
History grade
What drives Signal Mountain’s History grade
On its age, its old homes and the National Register, Signal Mountain is more historic than 44% of U.S. towns, #98 of 177 in Tennessee. Its National Register listings hold the grade up; its age pulls it down.
C+
HistoryA character grade: shown, never part of Signal Mountain’s overall grade.
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 Signal Mountain’s 198 sits above most of its state (95% of Tennessee towns have fewer) while its 175 historic buildings outnumber those of 92% of U.S. towns.
How sure. Graded on any two of the three inputs instead, the letter would range from D to B+. The pre-1940 share is a Census survey estimate (±3.0 points). The founding year is the first post office, not a stated founding date; Wikidata’s 1919 falls in the same era, so the grade doesn’t depend on which one is used.
Founding year: the first post office (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 →
What stands out about Signal Mountain’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Signal Mountain's history dates back years before settlement of the mountain itself. Centuries prior to the Civil War, Native Americans used a location on the mountain known as Signal Point to send fire and smoke signals across the Tennessee Valley. Later, the Union Army used Signal Point as a communications station during the Civil War. At the outbreak of the war, only a few families lived on the mountain. However, when various health epidemics struck Chattanooga in 1873 and 1878, several wealthy families relocated to the mountain where they could find clear air and pure water. In the early 20th century, Charles E. James purchased 4,400 acres (18 km2) of land in the Signal Point area and developed the mountain. In 1913, construction was completed of twelve miles (19 km) of streetcar track, which linked Chattanooga to Signal Mountain. While the streetcars are no longer used, the tracks …
Nothing in the archives for these yearsWeddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.
Every edition of the U.S. Geological Survey’s map of Signal Mountain. Tap a year, or press play to watch the town change.
1936Chattanooga sheet · 1:24,000
U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Signal Mountain.
Then & now
Stand where they stood
No then-and-now pairs yet. Take a photo from the same spot as an old one and they appear here side by side.
Retake this viewView from Signal Mountain, near, Chattanooga, Tenn, 1898
Find the spot, match the angle, and add your photo. It becomes the first then-and-now pair on Signal Mountain’s page.
The Signal Mountain post office opened in 1915, the earliest record of the town by name (U.S. post office records). Wikidata gives 1919.
How does Signal Mountain rank for history?
Signal Mountain is more historic than 44% of U.S. towns, #98 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.
What is on the National Register in Signal Mountain?
Two places: the Signal Mountain Elementary School (listed 2001) and the Signal Mountain Historic District (2001).
How old are the homes in Signal Mountain?
6% of Signal Mountain’s homes were built before 1940 (Census estimate, ±3.0 points), against a typical 4.9% for a Tennessee town; the median home was built in 1977.
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 (4), Wikidata (1), the National Register of Historic Places (2), 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) 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.
2026
2017
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