Each edition grades its towns against each other only.
More historic than 72% of U.S. towns · #450 of 1,035 in Pennsylvania. What drives it
Its Register listing is the Allegheny River Locka and Dam No. 5. Below: maps from 1907 on.
More historic than 72% of U.S. towns, on its age, its old homes and the National Register.
On its age, its old homes and the National Register, South Buffalo Township is more historic than 72% of U.S. towns, #450 of 1,035 in Pennsylvania. All 2 inputs are above most U.S. towns; its share of homes from before 1940 ranks highest and its National Register listings lowest.
Pennsylvania towns list about as much on the Register as the country (a typical Pennsylvania town has 2.1 per 10,000 residents, the U.S. 2.4), so South Buffalo Township’s 3.7 sits near the middle of its state (64% of Pennsylvania towns have fewer) while its 1 listings outnumber those of 51% of U.S. towns.
Founding year: our sources. 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.
Four other post offices 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).
The first neighbors to add old photos shape how South Buffalo Township’s history is told.
Every edition of the U.S. Geological Survey’s map of South Buffalo Township. 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 South Buffalo Township.
From Wikipedia’s history of South Buffalo Township.
The Allegheny River Lock and Dam No. 5 and Allegheny River Lock and Dam No. 6 are listed on the National Register of Historic Places. South Buffalo Township appears in the 1876 Atlas of Armstrong County, Pennsylvania.
Text from Wikipedia, licensed CC BY-SA 4.0.
Woven from the archive, old maps, post office records, the National Register and the people born here.
On the mapFirst mapped by the U.S. Geological Survey
BuiltAllegheny River Locka and Dam No. 5 is builtThe 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.
Nobody well known was born in South Buffalo Township itself, so here are the best known from just nearby.
Each neighbor’s History grade, on the same three inputs.
South Buffalo Township is more historic than 72% of U.S. towns, #450 of 1,035 in Pennsylvania. 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.
One place: the Allegheny River Locka and Dam No. 5 (listed 2000).
19% of South Buffalo Township’s homes were built before 1940 (Census estimate, ±5.9 points), against a typical 18% for a Pennsylvania town; the median home was built in 1973.
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 (2), Wikidata (2), the National Register of Historic Places (1), Wikipedia, U.S. Geological Survey historical maps, 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.
2012
2007