How Coaldale came to be
From Wikipedia’s history of Coaldale.
The Coaldale, Colorado, post office opened on February 16, 1891.
Text from Wikipedia, licensed CC BY-SA 4.0.
Each edition grades its towns against each other only.
Most of Coaldale was built recently: 0.0% of its homes predate 1940 and the median home dates from 1995. Below: maps from 1959 on.
The Coaldale post office opened in 1891, the earliest record of the town by name. Another post office, Hayden Creek (1878), opened inside today’s town and later closed.
Read from the archive, the National Register and the record. The page puts what stands out first.
The first neighbors to add old photos shape how Coaldale’s history is told.
From Wikipedia’s history of Coaldale.
The Coaldale, Colorado, post office opened on February 16, 1891.
Text from Wikipedia, licensed CC BY-SA 4.0.
Woven from the archive, old maps, post office records, the National Register and the people born here.
Every edition of the U.S. Geological Survey’s map of Coaldale. Tap a year, or press play to watch the town change.

U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Coaldale.
Nobody well known was born in Coaldale itself, so here are the best known from just nearby.
Coaldale’s post office has been open since 1891. Another post office, Hayden Creek, opened and closed inside today’s town.
US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).
Each neighbor’s History grade, on the same three inputs.
The Coaldale post office opened in 1891, the earliest record of the town by name (U.S. post office records).
What the archives can’t tell you, neighbors can.
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 (1), Wikipedia, 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.

1959Howard sheet · 1:62,500