Miami’s post office opened in 1891, and 17% of its homes were built before 1940
More historic than 69% of U.S. towns · #23 of 131 in Oklahoma. What drives it
10 places in town are on the National Register, among them a historic district with 29 buildings. Below: 5 old photos and papers, maps from 1896 on, and the census since 1900.
Founding year: the first Miami post office (Blevins & Helbock, CC0).The full story ↓
History grade
What drives Miami’s History grade
On its age, its old homes and the National Register, Miami is more historic than 69% of U.S. towns, #23 of 131 in Oklahoma. Its National Register listings hold the grade up; its age pulls it down.
B+
HistoryA character grade: shown, never part of Miami’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 Miami’s 30.9 sits above most of its state (84% of Oklahoma towns have fewer) while its 40 historic buildings outnumber those of 83% of U.S. towns.
How sure. Graded on any two of the three inputs instead, the letter would range from B− to A−. The pre-1940 share (±1.3 points) is firm at this size. The founding year is the first post office, not a stated founding date.
Founding year: the first post office (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 Miami’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
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.
1896Sheet 1 of 1
Edition
Sheets
BrickWoodStone
Sanborn Map Company, via the Library of Congress. Editions published in 1930 or earlier, which are in the public domain.
On the National Register
10 listings protect 40 historic buildings
The country’s official list of buildings and places worth saving.
The city was founded in an unusual way, compared to other towns established in Indian Territory. Per the Encyclopedia of Oklahoma History and Culture, "... it was settled in a business-like way by men of vision who looked into the future and saw possibilities. It didn't just grow. It was carefully planned."
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.
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.
The Miami post office opened in 1891, the earliest record of the town by name (U.S. post office records).
How does Miami rank for history?
Miami is more historic than 69% of U.S. towns, #23 of 131 in Oklahoma. 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 Miami?
10 listings: 9 buildings, among them the Commerce Building/Hancock Building (listed 1983, the first), and 1 historic district, the Miami Downtown Historic District, with 29 contributing buildings. 40 historic buildings in all.
How old are the homes in Miami?
17% of Miami’s homes were built before 1940 (Census estimate, ±1.3 points), against a typical 7.0% for an Oklahoma town; the median home was built in 1965.
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 (4), the Library of Congress (1), Wikidata (1), the National Register of Historic Places (10), Wikipedia, Wikidata and Wikipedia for famous people, 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.