Eagle dates to 1874, and 1 of its places is on the National Register
Most of Eagle was built recently: 8% of its homes predate 1940 and the median home dates from 1980.
How Eagle began
When was Eagle founded?
Eagle dates its founding to 1874 (Wikidata). Its post office opened in 1898.
1 listing protects 100 historic buildings
The country’s official list of buildings and places worth saving. One is a National Historic Landmark, the highest tier.
★ LandmarkNational Park Service, National Register of Historic Places. Photos from Wikimedia Commons, credited on each place’s page.
Questions about Eagle’s history
What year was Eagle founded?
In 1874, according to Wikidata. Eagle’s post office opened in 1898.
What is on the National Register in Eagle?
One place: the Eagle Historic District (listed 1970).
Memory lane
What the archives can’t tell you, neighbors can.
Where this page comes from
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 the National Register of Historic Places (1), 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.