Each edition grades its towns against each other only.
Among the newest of U.S. towns · #244 of 247 in Missouri. What drives it
Most of Dardenne Prairie was built recently: 0.2% of its homes predate 1940 and the median home dates from 2004. Below: maps from 1954 on and the census since 1990.
Dardenne Prairie dates its founding to 1983 (Wikidata). The census first counted it in 1990.
Among the newest of U.S. towns, on its age, its old homes and the National Register.
On its age, its old homes and the National Register, Dardenne Prairie is among the newest of U.S. towns, #244 of 247 in Missouri. Its National Register listings hold the grade up; its age pulls it down.
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 Dardenne Prairie’s 0.0 sits below most of its state (23% of Missouri towns have fewer) while its 0 listings outnumber those of 23% of U.S. towns.
Founding year: Wikidata (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 →
Read from the archive, the National Register and the record. The page puts what stands out first.
The first neighbors to add old photos shape how Dardenne Prairie’s history is told.
From Wikipedia’s history of Dardenne Prairie.
Dardenne Prairie was originally a prairie region which began in the area near St. Peters and extended north of Dardenne Creek, almost to Peruque Creek. The area was named after the stream.
In early documents the name appeared as Dardonne Creek, Darden Creek, Dardenne River, or Dardonne River. In Houck's history of 1908, Dardene River is also found.
Text from Wikipedia, licensed CC BY-SA 4.0.
Woven from the archive, old maps, post office records, the National Register and the people born here.
On the mapFirst mapped by the U.S. Geological SurveyEvery edition of the U.S. Geological Survey’s map of Dardenne Prairie. Tap a year, or press play to watch the town change.
U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Dardenne Prairie.
Grew from 1,769 people in 1990 to 12,743 in 2020, 7 times over.
4 censuses, 1990–2020.
U.S. Census Bureau decennial counts, from the census table on Dardenne Prairie’s Wikipedia page.
Nobody well known was born in Dardenne Prairie itself, so here are the best known from just nearby.
Another post office, Dardenne, opened and closed inside today’s town.
US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).
Each neighbor’s History grade, on the same three inputs.
In 1983, according to Wikidata. Dardenne Prairie’s post office opened in 1816, and the census of 1990 counted 1,769 people here.
Dardenne Prairie is among the newest of U.S. towns, #244 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.
0.2% of Dardenne Prairie’s homes were built before 1940 (Census estimate), against a typical 8.4% for a Missouri town; the median home was built in 2004.
What the archives can’t tell you, neighbors can.
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 (2), Wikipedia, 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.
2022
2004
