Most of Sycamore was built recently: 1% of its homes predate 1940 and the median home dates from 1980. Below: maps from 1919 on and the census since 1900.
Peaked at 401 in 1960; 147 people lived here in 2020.
13 censuses, 1900–2020.
U.S. Census Bureau decennial counts, from the census table on Sycamore’s Wikipedia page.
On the map
Sycamore on the map, 1919 to 1982
Every edition of the U.S. Geological Survey’s map of Sycamore. Tap a year, or press play to watch the town change.
1919Olar 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 Sycamore.
The story so far
Sycamore, in brief
Wikipedia doesn’t have a history of Sycamore yet. The photos, dates and memories neighbors add here are how it gets written.
Sycamore is a town in Allendale County, South Carolina, United States. As of the 2020 census, Sycamore had a population of 147. On April 5, 2022, the town was hit by an EF3 tornado, although it had weakened to EF1 strength by the time it moved through town and only minor damage occurred. One person was injured by this tornado south of Allendale, South Carolina.
Its first post office opened in 1892. Between the 2010 and 2020 censuses its population fell from 180 to 147 (-18%).
Intro from Wikipedia. Population: U.S. Census Bureau.
Timeline
Sycamore, 1892 to 1960
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 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.