Each edition grades its towns against each other only.
More historic than 16% of U.S. towns. What drives it
Most of Castle Point was built recently: 5% of its homes predate 1940 and the median home dates from 1959. Below: maps from 1935 on and the census since 2000.
More historic than 16% of U.S. towns, on its age, its old homes and the National Register.
On its age, its old homes and the National Register, Castle Point is more historic than 16% of U.S. towns. Its share of homes from before 1940 holds the grade up; its National Register listings pull 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 Castle Point’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: 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 →
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 Castle Point’s history is told.
Wikipedia doesn’t have a history of Castle Point yet. The photos, dates and memories neighbors add here are how it gets written.
Castle Point is an unincorporated community and census-designated place (CDP) in St. Ferdinand Township, St. Louis County, Missouri, United States. The population was 2,815 at the 2020 census.
Between the 2010 and 2020 censuses its population fell from 3,962 to 2,815 (-29%).
Intro from Wikipedia. Population: U.S. Census Bureau.
Every edition of the U.S. Geological Survey’s map of Castle Point. 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 Castle Point.
Between 2,815 and 4,559 people in every census since 2000.
3 censuses, 2000–2020.
U.S. Census Bureau decennial counts, from the census table on Castle Point’s Wikipedia page.
Each neighbor’s History grade, on the same three inputs.
Castle Point is more historic than 16% 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.
5% of Castle Point’s homes were built before 1940 (Census estimate, ±4.3 points), against a typical 8.4% for a Missouri town; the median home was built in 1959.
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 (1), Wikidata and Wikipedia for famous people, 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.
2004
