Every edition of the U.S. Geological Survey’s map of Alta Sierra. Tap a year, or press play to watch the town change.
1920Delonagha 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 Alta Sierra.
The story so far
Alta Sierra, in brief
Wikipedia doesn’t have a history of Alta Sierra yet. The photos, dates and memories neighbors add here are how it gets written.
Alta Sierra is an unincorporated community and census-designated place (CDP) in Kern County, California. It is located 8.5 miles (14 km) east of Glennville, at an elevation of 5,718 feet (1,743 m) in the Greenhorn Mountains/Sierra Nevada foothills. For statistical purposes, the United States Census Bureau has defined Alta Sierra as a census-designated place (CDP).
Intro from Wikipedia. Population: U.S. Census Bureau.
By decade
No old photos in the archives yet
Weddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.
Be the first to add onePhotograph a print flat, in daylight, no flash.
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 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.