Founding year: the first Warren post office (Blevins & Helbock, CC0).
History grade
What drives Warren’s History grade
On its age, its old homes and the National Register, Warren is more historic than 62% of U.S. towns. Its age holds the grade up; its National Register listings pull it down.
B
HistoryA character grade: shown, never part of Warren’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 Warren’s 7.1 sits below most of its state (5% of Connecticut 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 B− to A−. The pre-1940 share is a Census survey estimate (±4.8 points). 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 Warren’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Lost two-thirds of its people between 1820 and 1930, then grew 4-fold.
19 censuses, 1820–2020.
U.S. Census Bureau decennial counts, from the census table on Warren’s Wikipedia page.
On the map
Warren on the map, 1892 to 1984
Every edition of the U.S. Geological Survey’s map of Warren. Tap a year, or press play to watch the town change.
1892New Milford sheet · 1:62,500
U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Warren.
The story so far
Warren, in brief
Wikipedia doesn’t have a history of Warren yet. The photos, dates and memories neighbors add here are how it gets written.
Warren is a town in Litchfield County, Connecticut, United States. The population was 1,351 at the 2020 census. The town is part of the Northwest Hills Planning Region. The town was named for Revolutionary War General Joseph Warren. On July 1, 2006, businessman Joseph Cicio placed most of Warren's commercial district on eBay for $5,000,000.
Its first post office opened in 1812.
Intro from Wikipedia. Population: U.S. Census Bureau.
From the old history books
What they wrote about Warren in 1870
Passages that mention Warren, cut from the printed page as they were published.
pretty theory of our own in relation to the matter, and it is but natural that we should want to give it a place in this most ambitious history. It is this : Old England has a borough named Warren, and there was then a town of Warren in neai'ly every other royal province, and it was and is extremely fashionable to bestow this beautiful name, signifying a rabbit borough, upon a handsome and fertile tract of country ; therefore His Excellency, imitating the mother-land and the royal governors of other loyal
Text read by machine from the scan; it may contain errors.
whole line from Plymouth to Warren village were nearly completed. As soon as the ground was suflB.ciently settled, Mr. Smith commenced to lay the track, and on the 24th of May the first steam engine ran into Warren, and on the 25th its bell was rung at Warren depot.
Text read by machine from the scan; it may contain errors.
Scans and text from the Internet Archive. Books published in 1930 or earlier, which are in the public domain.
Timeline
Warren, 1805 to 2010
Woven from the archive, old maps, post office records, the National Register and the people born here.
The Warren post office opened in 1812, the earliest record of the town by name (U.S. post office records).
How does Warren rank for history?
Warren is more historic than 62% 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 Warren?
One place: the Warren Congregational Church (listed 1991).
How old are the homes in Warren?
18% of Warren’s homes were built before 1940 (Census estimate, ±4.8 points), against a typical 15% for a Connecticut town; the median home was built in 1984.
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 (10), the National Register of Historic Places (1), 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 old county and town histories (Internet Archive). Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.