Madison dates to 1641, and 12% of its homes were built before 1940
More historic than 58% of U.S. towns · #142 of 155 in Connecticut. What drives it
7 places in town are on the National Register, among them a historic district with 41 buildings. Below: 15 old photos and papers, maps from 1893 on, and the census since 1850.
Founding year: Wikipedia. First post office: 1814.The full story ↓
History grade
What drives Madison’s History grade
On its age, its old homes and the National Register, Madison is more historic than 58% of U.S. towns, #142 of 155 in Connecticut. All 2 inputs are above most U.S. towns; its National Register listings ranks highest and its share of homes from before 1940 lowest.
B
HistoryA character grade: shown, never part of Madison’s overall grade.
Connecticut towns list more on the Register than most of the country (a typical Connecticut town has 73.3 per 10,000 residents, the U.S. 2.4), so Madison’s 30.7 sits below most of its state (29% of Connecticut towns have fewer) while its 54 historic buildings outnumber those of 85% of U.S. towns.
NoteThe founding year comes from Wikipedia alone; no second source gives 1641.
How sure. Graded on two of the three inputs, so a change in either one moves the letter more than it would with three. The pre-1940 share (±2.2 points) is firm at this size.
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 Madison’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Madison was first settled in 1641. Throughout the 18th century, Madison was known as East Guilford until it was incorporated as a town in 1826. It is presently named after James Madison, 4th President of the United States.
From 1935 to 1942, Madison served as the site of Camp Hadley, one of 23 Civilian Conservation Corps (CCC) camps in Connecticut.
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.
In 1641, according to Wikipedia’s history of the town. Madison’s post office opened in 1814, and the census of 1850 counted 1,837 people here.
How does Madison rank for history?
Madison is more historic than 58% of U.S. towns, #142 of 155 in Connecticut. 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 Madison?
7 listings: 6 buildings, among them the Allis-Bushnell House (listed 1982, the first), and 1 historic district, the Madison Green Historic District, with 41 contributing buildings. 54 historic buildings in all.
How old are the homes in Madison?
12% of Madison’s homes were built before 1940 (Census estimate, ±2.2 points), against a typical 15% for a Connecticut town; the median home was built in 1976.
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 (5), the Library of Congress (10), Wikidata (2), the National Register of Historic Places (7), 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) 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.