Most of Baldwin Township was built recently: 2% of its homes predate 1940 and the median home dates from 1953. Below: maps from 1904 on and the census since 1960.
On its age, its old homes and the National Register, Baldwin Township is more historic than 5% of U.S. towns. Its National Register listings hold the grade up; its age pulls it down.
D
HistoryA character grade: shown, never part of Baldwin Township’s overall grade.
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 Baldwin Township’s 0.0 sits below most of its state (25% of Pennsylvania towns have fewer) while its 0 listings outnumber those of 23% of U.S. towns.
NoteThe founding year comes from Wikidata alone; no second source gives 1950.
How sure. Graded on any two of the three inputs instead, the letter would range from D− to D. The pre-1940 share (±1.9 points) is firm at this size.
Founding year: Wikidata (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 Baldwin Township’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Every edition of the U.S. Geological Survey’s map of Baldwin Township. Tap a year, or press play to watch the town change.
1904Carnegie sheet · 1:62,500
U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Baldwin Township.
The borough was named for Henry Baldwin (1780–1844), a U.S. Congressman from Pennsylvania and Associate Justice of the Supreme Court. Baldwin Borough was incorporated on October 27, 1950, from Baldwin Township.
In 1950, according to Wikidata. the census of 1960 counted 24,489 people here.
How does Baldwin Township rank for history?
Baldwin Township is more historic than 5% of U.S. towns. 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.
How old are the homes in Baldwin Township?
2% of Baldwin Township’s homes were built before 1940 (Census estimate, ±1.9 points), against a typical 18% for a Pennsylvania town; the median home was built in 1953.
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), Wikipedia, U.S. Geological Survey historical maps and U.S. Census counts (via Wikipedia). Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.