Every edition of the U.S. Geological Survey’s map of Eldorado. Tap a year, or press play to watch the town change.
1902Hollidaysburg 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 Eldorado.
The story so far
Eldorado, in brief
Wikipedia doesn’t have a history of Eldorado yet. The photos, dates and memories neighbors add here are how it gets written.
Eldorado is an unincorporated community and census-designated place (CDP) in Blair County, Pennsylvania, United States. It was first listed as a CDP prior to the 2020 census.
Intro from Wikipedia. Population: U.S. Census Bureau.
From the old history books
What they wrote about Eldorado in 1911
Passages that mention Eldorado, cut from the printed page as they were published.
Twentieth century history of Altoona and Blair County, Pennsylvania1911 · page 903Read the page →
Read the text
1893, since which time he has lived in retirement on a tract of three acres, which is a part of the homestead, and is located in the borough of Eldorado. His education was obtained in the common schools. On August 27, 1861, he enlisted in Co. F., 76th Pa. Inf., and was mustered out August 27, 1864, from the loth Army Corps. He was twice
Text read by machine from the scan; it may contain errors.
Scans and text from the Internet Archive. Books published in 1930 or earlier, which are in the public domain.
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 old county and town histories (Internet Archive). Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.