Petersburg’s post office opened in 1831, and 26% of its homes were built before 1940
1 place in town is on the National Register, among them a historic district with 126 buildings. Below: 1 old photo or paper, maps from 1936 on, and the census since 1880.
Wikipedia doesn’t have a history of Petersburg yet. The photos, dates and memories neighbors add here are how it gets written.
Petersburg is a town in Lincoln and Marshall counties in the U.S. state of Tennessee. As of the 2020 census, Petersburg had a population of 528. It used to be the location of Morgan school before consolidation.
Its first post office opened in 1831. Between the 2010 and 2020 censuses its population fell from 544 to 528 (-3%).
Intro from Wikipedia. Population: U.S. Census Bureau.
By decade
Petersburg, decade by decade
One decade in the archive so far: the 1880s. Scroll each row; tap a photo for its story.
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.
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 (10), the National Register of Historic Places (1), 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.