The Haysville post office opened in 1880, the earliest record of the town by name. Wikidata gives 1902. Another post office, Burgunda (1885), opened inside today’s town and later closed.
First census: 166 in 19102020 census: 81146 years
Founding year: the first Haysville post office (Blevins & Helbock, CC0). Wikidata: 1902.
What stands out about Haysville’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Wikipedia doesn’t have a history of Haysville yet. The photos, dates and memories neighbors add here are how it gets written.
Haysville is a borough in Allegheny County, Pennsylvania, United States, along the Ohio River. The population was 81 according to the 2020 census, making it the least-populous municipality (out of 130) in Allegheny County.
Its first post office opened in 1880. Between the 2010 and 2020 censuses its population grew from 70 to 81 (+16%).
Intro from Wikipedia. Population: U.S. Census Bureau.
People over time
Haysville, census by census
Peaked at 192 in 1930; 81 people lived here in 2020.
12 censuses, 1910–2020.
U.S. Census Bureau decennial counts, from the census table on Haysville’s Wikipedia page.
Timeline
Haysville, 1880 to 1949
Woven from the archive, old maps, post office records, the National Register and the people born 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 (3), 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.