Each edition grades its towns against each other only.
More historic than 36% of U.S. towns. What drives it
Below: 2 old photos and papers, maps from 1894 on, and the census since 1920.
Parkside dates its founding to 1919 (Wikidata). The census first counted it in 1920.
More historic than 36% of U.S. towns, on its age, its old homes and the National Register.
On its age, its old homes and the National Register, Parkside is more historic than 36% of U.S. towns. 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 Parkside’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.
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 →
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 Parkside’s history is told.
Every edition of the U.S. Geological Survey’s map of Parkside. 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 Parkside.
Wikipedia doesn’t have a history of Parkside yet. The photos, dates and memories neighbors add here are how it gets written.
Parkside is a borough in Delaware County, Pennsylvania, United States. As of the 2020 census, Parkside had a population of 2,321.
Parkside was established in 1919. Its population held steady between the last two censuses: 2,328 in 2010, 2,321 in 2020.
Intro from Wikipedia. Population: U.S. Census Bureau.
Woven from the archive, old maps, post office records, the National Register and the people born here.
In the archiveAnalomink River
On the mapFirst mapped by the U.S. Geological Survey
In the archivePark Hotel2 decades in the archive, from the 1890s to the 1900s. Scroll each row; tap a photo for its story.
No 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 Parkside’s page.
Retake this view · +15Between 374 and 2,464 people in every census since 1920.
11 censuses, 1920–2020.
U.S. Census Bureau decennial counts, from the census table on Parkside’s Wikipedia page.
Nobody well known was born in Parkside itself, so here are the best known from just nearby.
Each neighbor’s History grade, on the same three inputs.
In 1919, according to Wikidata. the census of 1920 counted 374 people here.
Parkside is more historic than 36% 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.
33% of Parkside’s homes were built before 1940 (Census estimate, ±12.9 points), against a typical 18% for a Pennsylvania town; the median home was built in 1952.
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 (6), the Library of Congress (2), U.S. Geological Survey historical maps, U.S. Census counts (via Wikipedia) 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.
2015
2015
2015
2015
2015
2007