Each edition grades its towns against each other only.
More historic than 74% of U.S. towns · #417 of 1,035 in Pennsylvania. What drives it
Its Register listing is the Conewago Chapel. Below: 1 old photo or paper, maps from 1908 on, and the census since 2000.
The Conewago Township post office opened in 1846, the earliest record of the town by name. Two smaller post offices, Conewago (1846) and Edgegrove (1891), opened inside today’s town and later closed.
More historic than 74% of U.S. towns, on its age, its old homes and the National Register.
On its age, its old homes and the National Register, Conewago Township is more historic than 74% of U.S. towns, #417 of 1,035 in Pennsylvania. All 3 inputs are above most U.S. towns; its age ranks highest and its share of homes from before 1940 lowest.
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 Conewago Township’s 2.5 sits near the middle of its state (59% of Pennsylvania towns have fewer) while its 2 historic buildings outnumber those of 60% of U.S. towns.
Founding year: the first post office (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 Conewago Township’s history is told.
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).
Every edition of the U.S. Geological Survey’s map of Conewago 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 Conewago Township.
Wikipedia doesn’t have a history of Conewago Township yet. The photos, dates and memories neighbors add here are how it gets written.
Conewago Township is a township in Adams County, Pennsylvania, United States. The population was 7,869 at the 2020 census.
Its first post office opened in 1846. Between the 2010 and 2020 censuses its population grew from 7,085 to 7,875 (+11%).
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.
Born hereJohn Timon is born here
In the archive1940 Census Enumeration District Descriptions - Pennsylvania - Adams County - ED 1-8, ED …
On the mapFirst mapped by the U.S. Geological SurveyOne decade in the archive so far: the 1850s. 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 Conewago Township’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 5,709 and 7,869 people in every census since 2000.
3 censuses, 2000–2020.
U.S. Census Bureau decennial counts, from the census table on Conewago Township’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 Conewago Township post office opened in 1846, the earliest record of the town by name (U.S. post office records).
Conewago Township is more historic than 74% of U.S. towns, #417 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 Conewago Chapel (listed 1975).
14% of Conewago Township’s homes were built before 1940 (Census estimate, ±4.8 points), against a typical 18% for a Pennsylvania town; the median home was built in 1989.
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 (2), Wikidata (1), the National Register of Historic Places (1), 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) 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.
2009