Frontenac dates to 1947, and 1 of its places is on the National Register
More historic than 14% of U.S. towns · #224 of 247 in Missouri. What drives it
Most of Frontenac was built recently: 2% of its homes predate 1940 and the median home dates from 1969. Its Register listing is the Des Peres Presbyterian Church. Below: maps from 1933 on and the census since 1950.
On its age, its old homes and the National Register, Frontenac is more historic than 14% of U.S. towns, #224 of 247 in Missouri. Its National Register listings hold the grade up; its age pulls it down.
D
HistoryA character grade: shown, never part of Frontenac’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 Frontenac’s 2.7 sits near the middle of its state (56% of Missouri towns have fewer) while its 1 listings outnumber those of 51% of U.S. towns.
NoteThe founding year comes from Wikipedia alone; no second source gives 1947.
How sure. Graded on any two of the three inputs instead, the letter would range from D− to C. 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 Frontenac’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Wikipedia doesn’t have a history of Frontenac yet. The photos, dates and memories neighbors add here are how it gets written.
Frontenac is a city in St. Louis County, Missouri, United States. The population was 3,612 at the 2020 census. The community name is inspired by the New France governor Louis de Buade de Frontenac. Benjamin and Lora Wood, who laid out the community's core called Frontenac Estates, that consisted of 26 two-acre estates, had made frequent trips to Quebec. The community was incorporated as 217 acres (88 ha) in 1947 and annexed another 967 acres (391 ha) in 1948. The community still consists mostly of houses on one-acre lots. French architecture is encouraged in design.
Frontenac was established in 1947. Between the 2010 and 2020 censuses its population grew from 3,482 to 3,612 (+4%).
Intro from Wikipedia. Population: U.S. Census Bureau.
In 1947, according to Wikipedia’s history of the town. the census of 1950 counted 1,099 people here.
How does Frontenac rank for history?
Frontenac is more historic than 14% of U.S. towns, #224 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 Frontenac?
One place: the Des Peres Presbyterian Church (listed 1978).
How old are the homes in Frontenac?
2% of Frontenac’s homes were built before 1940 (Census estimate, ±2.2 points), against a typical 8.4% for a Missouri town; the median home was built in 1969.
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 (6), Wikidata (1), the National Register of Historic Places (1), 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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