Each edition grades its towns against each other only.
More historic than 68% of U.S. towns · #503 of 1,035 in Pennsylvania. What drives it
Its Register listing is the Morton Homestead. Below: 2 old photos and papers, maps from 1894 on, and the census since 1880.
Prospect Park first appears in the census in 1880. Two smaller post offices, Ridleyville (1859) and Moores (1882), opened inside today’s town and later closed.
More historic than 68% of U.S. towns, on its age, its old homes and the National Register.
On its age, its old homes and the National Register, Prospect Park is more historic than 68% of U.S. towns, #503 of 1,035 in Pennsylvania. Its share of homes from before 1940 holds the grade up; its age 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 Prospect Park’s 1.6 sits near the middle of its state (55% of Pennsylvania towns have fewer) while its 1 listings outnumber those of 51% of U.S. towns.
Founding year: the first census (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 →
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 Prospect Park’s history is told.
Every edition of the U.S. Geological Survey’s map of Prospect Park. 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 Prospect Park.
Prospect Park’s post office has been open since 1932. Two 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).
From Wikipedia’s history of Prospect Park.
In 1874, John Cochran of Chester purchased 103 acres from Joshua Pierson with the intention of dividing the property into lots and selling them. These properties formed the current community of Prospect Park.
Text from Wikipedia, licensed CC BY-SA 4.0.
Passages that mention Prospect Park, cut from the printed page as they were published.
timore Railroad and the Lazaretto road, between Norwood and Ridley Park, was in the possession of the Moore family in 1800, and is so marked on Hill's map. Prospect Park lies to the west of the station. There is at Moore's the railroad station, a block station, engine-house, and a steam brick grist-mill, twenty-six by sixty feet, which was built in 1877 by George W. Moore & Co.
Text read by machine from the scan; it may contain errors.Scans and text from the Internet Archive. Books published in 1930 or earlier, which are in the public domain.
Woven from the archive, old maps, post office records, the National Register and the people born here.
In the archive1940 Census Enumeration District Maps - Pennsylvania - Delaware County - Prospect Park - …
On the mapFirst mapped by the U.S. Geological Survey
In the archiveProspect Park PA Olivet Presby PHS5122 decades in the archive, from the 1880s to the 1920s. Scroll each row; tap a photo for its story.
2025Prospect United Methodist Church, Prospect Park, PA, …
2025Prospect Park, PA Borough Office and Library, Nov. 20…
2025Prospect Hill, PA Baptist Church, Dec. 2025
2025Interboro High School, Prospect Park, PA, Nov. 2025
2021Darby Creek east of PA 420
2017Prospect Park Free Library DelCo PA
2008Amtrak Acela
2007Prospect park, Delaware County, PennsylvaniaNo then-and-now pairs yet. Take a photo from the same spot as an old one and they appear here side by side.
Find the spot, match the angle, and add your photo. It becomes the first then-and-now pair on Prospect Park’s page.
Retake this view · +15The 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 197 and 7,250 people in every census since 1880.
14 censuses, 1880–2020.
U.S. Census Bureau decennial counts, from the census table on Prospect Park’s Wikipedia page.
Writers, athletes, leaders and more, ranked by how widely they’re known.
Each neighbor’s History grade, on the same three inputs.
The Prospect Park post office opened in 1880, the earliest record of the town by name (U.S. post office records). Wikidata gives 1894.
Prospect Park is more historic than 68% of U.S. towns, #503 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 Morton Homestead (listed 1970).
36% of Prospect Park’s homes were built before 1940 (Census estimate, ±9.1 points), against a typical 18% for a Pennsylvania town; the median home was built in 1949.
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 (10), the National Register of Historic Places (1), Wikipedia, 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), the USGS Geographic Names Information System and old county and town histories (Internet Archive). Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.
