Each edition grades its towns against each other only.
More historic than 48% of U.S. towns · #776 of 1,035 in Pennsylvania. What drives it
Its Register listing is the Bridge in South Beaver Township. Most of South Beaver Township was built recently: 8% of its homes predate 1940 and the median home dates from 1973. Below: maps from 1902 on and the census since 1970.
More historic than 48% 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 Beaver Township is more historic than 48% of U.S. towns, #776 of 1,035 in Pennsylvania. Its National Register listings hold the grade up; its share of homes from before 1940 pulls it down.
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 Beaver Township’s 3.8 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.
The first neighbors to add old photos shape how South Beaver Township’s history is told.
Every edition of the U.S. Geological Survey’s map of South Beaver 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 Beaver Township.
From Wikipedia’s history of South Beaver Township.
Darlington and South Beaver townships are connected by the Watts Mill Bridge, which is listed on the National Register of Historic Places as the "Bridge in South Beaver Township".
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 SurveyWeddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.
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.
Between 2,339 and 2,974 people in every census since 1970.
6 censuses, 1970–2020.
U.S. Census Bureau decennial counts, from the census table on South Beaver Township’s Wikipedia page.
Nobody well known was born in South Beaver Township itself, so here are the best known from just nearby.
Another post office, Rowe, 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).
Each neighbor’s History grade, on the same three inputs.
South Beaver Township is more historic than 48% of U.S. towns, #776 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 Bridge in South Beaver Township (listed 1988).
8% of South Beaver Township’s homes were built before 1940 (Census estimate, ±3.4 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 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) 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.
