Crow Agency’s post office opened in 1881
More historic than 16% of U.S. towns. What drives it
Most of Crow Agency was built recently: 2% of its homes predate 1940 and the median home dates from 1982.
How Crow Agency began
When was Crow Agency founded?
The Crow Agency post office opened in 1881, the earliest record of the town by name.
How historic is Crow Agency?
More historic than 16% of U.S. towns, on its age, its old homes and the National Register.
What drives Crow Agency’s History grade
On its age, its old homes and the National Register, Crow Agency is more historic than 16% of U.S. towns. Its age holds the grade up; its National Register listings pull it down.
Montana towns list more on the Register than most of the country (a typical Montana town has 12.7 per 10,000 residents, the U.S. 2.4), so Crow Agency’s 0.0 sits below most of its state (16% of Montana towns have fewer) while its 0 listings outnumber those of 23% of U.S. towns.
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 →
Places now gone and burying grounds
Crow Agency’s post office has been open since 1881.
US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).
Questions about Crow Agency’s history
What year was Crow Agency founded?
The Crow Agency post office opened in 1881, the earliest record of the town by name (U.S. post office records).
How does Crow Agency rank for history?
Crow Agency is more historic than 16% 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.
How old are the homes in Crow Agency?
2% of Crow Agency’s homes were built before 1940 (Census estimate, ±3.5 points), against a typical 13% for a Montana town; the median home was built in 1982.
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).
From 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.