Its Register listings are the Coalgate School Gymnasium-Auditorium and the United States Post Office Coalgate. Below: 1 old photo or paper, maps from 1894 on, and the census since 1900.
Founding year: Wikipedia. First post office: 1889.The full story ↓
History grade
What drives Coalgate’s History grade
On its age, its old homes and the National Register, Coalgate is more historic than 56% of U.S. towns. Its National Register listings hold the grade up; its age pulls it down.
B
HistoryA character grade: shown, never part of Coalgate’s overall grade.
Oklahoma towns list more on the Register than most of the country (a typical Oklahoma town has 5.9 per 10,000 residents, the U.S. 2.4), so Coalgate’s 10.6 sits above most of its state (66% of Oklahoma towns have fewer) while its 2 listings outnumber those of 60% of U.S. towns.
How sure. Graded on any two of the three inputs instead, the letter would range from C+ to B+. The pre-1940 share is a Census survey estimate (±3.6 points). Two sources give 1889.
Founding year: Wikipedia (other dates in Quick answers). Homes: Census ACS 2020–24. National Register: National Park Service, May 2026 list; each listing counted once (boundary changes and added documentation belong to their listing), and a historic district counts its contributing buildings. How TownRatings grades history →
What stands out about Coalgate’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Every edition of the U.S. Geological Survey’s map of Coalgate. Tap a year, or press play to watch the town change.
1896Coalgate sheet · 1:125,000
U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Coalgate.
Every building
Coalgate, building by building, 1894–1913
Fire insurance maps drew every building, what it was made of and what it was used for, so insurers could price the risk of fire. Pick a year, then a sheet.
Coalgate was founded in 1889 as a coal mining camp named Liddle in Atoka County, a territorial-era county in the Pushmataha District of the Choctaw Nation, Indian Territory. It was named for William "Bill" Liddle, a superintendent for the Atoka Coal and Mining Company, who had arrived in the fall of 1888 to locate a site for a new coal mine. The Southwestern Coal and Improvement Company, a subsidiary of the Missouri, Kansas and Texas Railway (MK&T) developed the site. A tent city sprung up, followed by company-built houses. Work on the mine started January 2, 1889, and the first shipment of coal left Liddle on April 17, 1889. The town name changed to Coalgate on January 23, 1890. The new name was taken from the steel gate or "coal gate" that separated the trains from the coal mines north of town. Coalgate incorporated under the laws of Arkansas on November 25, 1898. It was platted and a…
Nothing in the archives for these yearsWeddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.
National Park Service, National Register of Historic Places. Photos from Wikimedia Commons, credited on each place’s page.
People over time
Coalgate, census by census
Peaked at 3,255 in 1910; 1,667 people lived here in 2020.
13 censuses, 1900–2020.
U.S. Census Bureau decennial counts, from the census table on Coalgate’s Wikipedia page.
Places that used to be
Lost post offices
Coalgate’s post office has been open since 1890. Two other post offices opened and closed inside today’s town.
Liddle
1889–1890
Coalgate
1890–today
Byrd
1892–1894
18801950today
US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).
Questions about Coalgate’s history
What year was Coalgate founded?
In 1889, according to Wikipedia’s history of the town. Coalgate’s post office opened in 1889, and the census of 1900 counted 2,614 people here.
How does Coalgate rank for history?
Coalgate is more historic than 56% of U.S. towns. The History grade combines the town’s founding era, the share of homes built before 1940 and its National Register listings. It’s a character grade, so it isn’t part of the overall grade. How it works.
What is on the National Register in Coalgate?
Two places: the Coalgate School Gymnasium-Auditorium (listed 1988) and the United States Post Office Coalgate (2009).
How old are the homes in Coalgate?
16% of Coalgate’s homes were built before 1940 (Census estimate, ±3.6 points), against a typical 7.0% for an Oklahoma town; the median home was built in 1972.
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).
From Wikimedia Commons (3), the National Register of Historic Places (2), Wikipedia, U.S. Geological Survey historical maps, U.S. Census counts (via Wikipedia), the US Post Offices dataset (Blevins & Helbock), the USGS Geographic Names Information System and Sanborn fire insurance maps (Library of Congress). Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.