Dexter dates to 1873, and 1 of its places is on the National Register
More historic than 39% of U.S. towns · #141 of 247 in Missouri. What drives it
Most of Dexter was built recently: 9% of its homes predate 1940 and the median home dates from 1971. Its Register listing is the Dexter Gymnasium. Below: 1 old photo or paper, maps from 1895 on, and the census since 1880.
Founding year: Wikipedia. First post office: 1887.The full story ↓
History grade
What drives Dexter’s History grade
On its age, its old homes and the National Register, Dexter is more historic than 39% of U.S. towns, #141 of 247 in Missouri. Its National Register listings hold the grade up; its age pulls it down.
C+
HistoryA character grade: shown, never part of Dexter’s overall grade.
Missouri towns list about as much on the Register as the country (a typical Missouri town has 2.4 per 10,000 residents, the U.S. 2.4), so Dexter’s 1.3 sits near the middle of its state (49% of Missouri towns have fewer) while its 1 listings outnumber those of 51% of U.S. towns.
How sure. Graded on any two of the three inputs instead, the letter would range from C to C+. The pre-1940 share is a Census survey estimate (±3.7 points). Two sources give 1873.
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 Dexter’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.
Dexter was platted in 1873. Mr. Dex, an early settler, gave the community the name of his horse, Dexter. Dexter experienced rapid growth with the arrival of the St. Louis, Iron Mountain and Southern Railway. A post office called Dexter City was established in 1873, and the name was changed to Dexter in 1887.
The Dexter Gymnasium was listed on the National Register of Historic Places in 2001.
On July 10, 2021, an EF2 tornado hit the town with at least 150 homes reported damaged.
In 1873, according to Wikipedia’s history of the town. Dexter’s post office opened in 1887, and the census of 1880 counted 489 people here.
How does Dexter rank for history?
Dexter is more historic than 39% of U.S. towns, #141 of 247 in Missouri. 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 Dexter?
One place: the Dexter Gymnasium (listed 2001).
How old are the homes in Dexter?
9% of Dexter’s homes were built before 1940 (Census estimate, ±3.7 points), against a typical 8.4% for a Missouri town; the median home was built in 1971.
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 (1), the Library of Congress (1), Wikidata (1), the National Register of Historic Places (1), 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.