Most of East Caln Township was built recently: 1% of its homes predate 1940 and the median home dates from 1995. Below: maps from 1906 on and the census since 1930.
On its age, its old homes and the National Register, East Caln Township is more historic than 10% of U.S. towns. Its National Register listings hold the grade up; its share of homes from before 1940 pulls it down.
D
HistoryA character grade: shown, never part of East Caln Township’s overall grade.
Pennsylvania towns of 2,500+ (1,035)#1,034 of 1,035
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 East Caln 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.
How sure. Graded on two of the three inputs, so a change in either one moves the letter more than it would with three. The pre-1940 share (±1.6 points) is firm at this size.
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 →
What stands out about East Caln 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 East Caln Township. Tap a year, or press play to watch the town change.
1906Phoenixville 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 East Caln Township.
The story so far
East Caln Township, in brief
Wikipedia doesn’t have a history of East Caln Township yet. The photos, dates and memories neighbors add here are how it gets written.
East Caln Township is a township in Chester County, Pennsylvania, United States. The population was 5,387 at the 2020 census. The township wraps around the eastern half of Downingtown and is mostly indistinguishable from it. East Caln Township is very developed, containing several shopping centers, including the regionally important Brandywine Square Center, several recently constructed housing developments varying from condominiums to large single family homes, and some industry in the southern fringe of the township.
Between the 2010 and 2020 censuses its population grew from 4,838 to 5,384 (+11%).
Intro from Wikipedia. Population: U.S. Census Bureau.
By decade
No old photos in the archives yet
Weddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.
Be the first to add onePhotograph a print flat, in daylight, no flash.
East Caln Township is more historic than 10% 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 East Caln Township?
1% of East Caln Township’s homes were built before 1940 (Census estimate, ±1.6 points), against a typical 18% for a Pennsylvania town; the median home was built in 1995.
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 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.
