Peaked at 1,037 in 1950; 722 people lived here in 2020.
15 censuses, 1880–2020.
U.S. Census Bureau decennial counts, from the census table on Confluence’s Wikipedia page.
On the map
Confluence on the map, 1922 to 1994
Every edition of the U.S. Geological Survey’s map of Confluence. Tap a year, or press play to watch the town change.
1922Confluence 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 Confluence.
The story so far
Confluence, in brief
Wikipedia doesn’t have a history of Confluence yet. The photos, dates and memories neighbors add here are how it gets written.
Confluence is a borough in Somerset County, Pennsylvania, United States. It is part of the Johnstown, Pennsylvania, Metropolitan Statistical Area. It was settled in 1870 and incorporated in 1873. The population was 724 at the 2020 census.
Confluence was established in 1870. Between the 2010 and 2020 censuses its population fell from 780 to 722 (-7%).
Intro from Wikipedia. Population: U.S. Census Bureau.
Timeline
Confluence, 1754 to 1993
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.
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.
Fire insurance maps drew every building, what it was made of and what it was used for, so insurers could price the risk of fire. Pick a year, then a sheet.
1901Sheet 1 of 1
Edition
Sheets
BrickWoodStone
Sanborn Map Company, via the Library of Congress. Editions published in 1930 or earlier, which are in the public domain.
Then & now
Stand where they stood
No then-and-now pairs yet. Take a photo from the same spot as an old one and they appear here side by side.
Retake this viewConfluence, Pennsylvania 1905, 1905
Find the spot, match the angle, and add your photo. It becomes the first then-and-now pair on Confluence’s page.
In 1870, according to Wikidata and Wikipedia’s history of the town. Confluence’s post office opened in 1871, and the census of 1880 counted 430 people 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 (5), the Library of Congress (1), 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 Sanborn fire insurance maps (Library of Congress). Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.