More historic than 8% of U.S. towns · #404 of 638 in Florida. What drives it
Most of Rotonda was built recently: 0.2% of its homes predate 1940 and the median home dates from 1998. Below: maps from 1956 on and the census since 1990.
On its age, its old homes and the National Register, Rotonda is more historic than 8% of U.S. towns, #404 of 638 in Florida. Its National Register listings hold the grade up; its share of homes from before 1940 pulls it down.
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HistoryA character grade: shown, never part of Rotonda’s overall grade.
Few Florida towns list much on the Register (a typical Florida town has 0.0 per 10,000 residents, the U.S. 2.4), so Rotonda’s 0.0 sits below most of its state (33% of Florida towns have fewer) while its 0 listings outnumber those of 23% of U.S. towns.
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 (±0.3 points) is firm at this size.
Founding year: our sources. 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 Rotonda’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
The land was first part of a large cattle ranch owned by brothers William and Alfred Vanderbilt, direct descendants of Cornelius Vanderbilt. They purchased the land in 1952 and sold a portion in 1969 that became Rotonda West. The development of Rotonda West began in 1970. The layout of Rotonda West mimics temporary World War II airfields in Southern Florida, laid out like a wagon wheel. The choice of the airfield layout as the pattern for Rotonda West gives it a flavor of Florida history, however there was no airfield at this location prior to development, while the format was used at many locations, such as Forman Field NOLF, a training site for new pilots. The circular pattern used a configuration of four 3,000 ft (914.4 m) paved runways, oriented along the cardinal directions of the compass, along with a circular taxiway running along the outer boundary of the runways. This allowed …
Rotonda is more historic than 8% of U.S. towns, #404 of 638 in Florida. 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 Rotonda?
0.2% of Rotonda’s homes were built before 1940 (Census estimate), against a typical 0.6% for a Florida town; the median home was built in 1998.
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 (3), Wikipedia, U.S. Geological Survey historical maps, U.S. Census counts (via Wikipedia) 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.
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