Terminous’ post office opened in 1895, and 1 of its places is on the National Register
Most of Terminous was built recently: 5% of its homes predate 1940 and the median home dates from 1984. Its Register listing is the Terminous Culling Chute. Below: 2 old photos and papers and maps from 1910 on.
Every edition of the U.S. Geological Survey’s map of Terminous. Tap a year, or press play to watch the town change.
1910Headreach sheet · 1:31,680
U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Terminous.
The story so far
Terminous, in brief
Wikipedia doesn’t have a history of Terminous yet. The photos, dates and memories neighbors add here are how it gets written.
Terminous is a census-designated place in San Joaquin County, California. Terminous sits at an elevation of 7 feet (2.1 m) below sea level. It is located on the Terminous Tract, an island of the Sacramento–San Joaquin River Delta. The 2020 United States census reported Terminous's population as 429. Terminous was named from its location at the "terminus" of a road. Terminous was also the location of a Western Pacific Railroad branch for Delta growers to ship their goods.
Its first post office opened in 1895. Between the 2010 and 2020 censuses its population grew from 381 to 429 (+13%).
Intro from Wikipedia. Population: U.S. Census Bureau.
Timeline
Terminous, 1895 to 1918
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), the National Register of Historic Places (1), U.S. Geological Survey historical maps, 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.