Peaked at 1,032 in 1910; 647 people lived here in 2020.
16 censuses, 1870–2020.
U.S. Census Bureau decennial counts, from the census table on Big Run’s Wikipedia page.
The story so far
Big Run, in brief
Wikipedia doesn’t have a history of Big Run yet. The photos, dates and memories neighbors add here are how it gets written.
Big Run is a borough in Jefferson County, Pennsylvania, United States. The population was 624 at the 2010 census, a decline from the figure of 686 tabulated in 2000. The borough was named for the waterway of the same name.
Big Run was established in 1822. Between the 2010 and 2020 censuses its population grew from 624 to 647 (+4%).
Intro from Wikipedia. Population: U.S. Census Bureau.
From the old history books
What they wrote about Big Run in 1888
Passages that mention Big Run, cut from the printed page as they were published.
History of Jefferson county, Pennsylvania, with illustrations and biographical sketches of some of its prominent men and pioneers1888 · page 665Read the page →
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J. P. North taught the first term of school in the township in 1840 or 1 841 ; the first school-house was built on the Smith farm, and the first church in 1 87 1 at Panic ; the first saw-mill was built on Big Run, by William Best, in 1830 ; the first store was started in 1882 at Panic, by George Morrison ; there has never been any hotels or grist-mills in the township ; the first lumber was taken out by John Smith and rafted on Sandy Lick, and the first coal was discovered on the farm of Lewis Elbel.
Text read by machine from the scan; it may contain errors.
History of Jefferson county, Pennsylvania, with illustrations and biographical sketches of some of its prominent men and pioneers1888 · page 654Read the page →
Read the text
The first grist-mill was built by Frederick Spranlde, of Indiana county, about the year 1833, at the junction of the Big Run and Kellar's Run, who called the place Fredericksburg. The next grist-mill was built by Philip Enterline.
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
Big Run, 1822 to 1911
Woven from the archive, old maps, post office records, the National Register and the people born here.
Nothing in the archives for these yearsWeddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.
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). How TownRatings grades history →
From Wikimedia Commons (14), 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, Sanborn fire insurance maps (Library of Congress) 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.