Peaked at 799 in 1970; 384 people lived here in 2020.
12 censuses, 1910–2020.
U.S. Census Bureau decennial counts, from the census table on South Heights’ Wikipedia page.
On the map
South Heights on the map, 1906 to 1990
Every edition of the U.S. Geological Survey’s map of South Heights. Tap a year, or press play to watch the town change.
1906Sewickley 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 South Heights.
The story so far
South Heights, in brief
Wikipedia doesn’t have a history of South Heights yet. The photos, dates and memories neighbors add here are how it gets written.
South Heights is a borough in Beaver County, Pennsylvania, United States, along the Ohio River. The population was 384 at the 2020 census. South Heights was first known as Ethel's Landing, a docking point on the Ohio River. The name of the town was changed to Shannopin when the Pittsburgh and Lake Erie Railroad established a station there. When the name of the town was changed to South Heights, the station became known as South Heights station.
Its first post office opened in 1910. Between the 2010 and 2020 censuses its population fell from 475 to 384 (-19%).
Intro from Wikipedia. Population: U.S. Census Bureau.
Timeline
South Heights, 1886 to 1970
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 (2), 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.