On its age, its old homes and the National Register, Union Township is more historic than 48% of U.S. towns, #768 of 1,035 in Pennsylvania. Its share of homes from before 1940 holds the grade up; its National Register listings pull it down.
B−
HistoryA character grade: shown, never part of Union 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 Union 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 is a Census survey estimate (±5.8 points).
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 Union Township’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
2cemeteries and burying grounds inside Union Township
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US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).
On the map
Union Township on the map, 1905 to 1990
Every edition of the U.S. Geological Survey’s map of Union Township. Tap a year, or press play to watch the town change.
1905Neshannock 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 Union Township.
The story so far
Union Township, in brief
Wikipedia doesn’t have a history of Union Township yet. The photos, dates and memories neighbors add here are how it gets written.
Union Township is a township in Lawrence County, Pennsylvania, United States. The population was 4,997 at the time of the 2020 census, a decline from the figure of 5,190 as of 2010.
Between the 2010 and 2020 censuses its population fell from 5,190 to 4,996 (-4%).
Intro from Wikipedia. Population: U.S. Census Bureau.
From the old history books
What they wrote about Union Township in 1908
Passages that mention Union Township, cut from the printed page as they were published.
20th century history of New Castle and Lawrence County, Pennsylvania1908 · page 592Read the page →
Read the text
The Mayberry family is one of the oldest and most respected of Union Township and it was established there by the grandfather, Thomas Mayberry, who came from Sandusky, Ohio, and settled as a pioneer, before the birth of his son Jamison, in Union Township. The latter has his whole long life of ninety-two years in
Text read by machine from the scan; it may contain errors.
20th century history of New Castle and Lawrence County, Pennsylvania1908 · page 43Read the page →
Read the text
was taken from Plain Grove and added to Washington Township, which was further enlarged by another strip a half mile wide from Scott Township. Union Township was formed from portions of Mahoning, Neshannock and Taylor Townships, September 10, 1859. Hickory Township was formed in the winter of 1859-60, being
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.
Timeline
Union Township, 1866 to 1905
Woven from the archive, old maps, post office records, the National Register and the people born here.
Union Township is more historic than 48% of U.S. towns, #768 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.
How old are the homes in Union Township?
22% of Union Township’s homes were built before 1940 (Census estimate, ±5.8 points), against a typical 18% for a Pennsylvania town; the median home was built in 1958.
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 (11), 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.