Each edition grades its towns against each other only.
Among the newest of U.S. towns · #842 of 847 in California. What drives it
Most of Canyon Lake was built recently: 0.0% of its homes predate 1940 and the median home dates from 1985. Below: maps from 1953 on and the census since 1980.
Canyon Lake first appears in the census in 1980.
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, Canyon Lake is among the newest of U.S. towns, #842 of 847 in California. Its National Register listings hold the grade up; its age pulls it down.
Few California towns list much on the Register (a typical California town has 0.0 per 10,000 residents, the U.S. 2.4), so Canyon Lake’s 0.0 sits below most of its state (31% of California towns have fewer) while its 0 listings outnumber those of 23% of U.S. towns.
Founding year: the first census (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 Canyon Lake’s history is told.
From Wikipedia’s history of Canyon Lake.
The city of Canyon Lake is named after the reservoir it is built around. Initially, the reservoir was known as Railroad Canyon Reservoir, or Railroad Canyon Lake, but now the reservoir and the community are referred to by the shortened form, Canyon Lake.
Text from Wikipedia, licensed CC BY-SA 4.0.
Every edition of the U.S. Geological Survey’s map of Canyon Lake. 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 Canyon Lake.
Grew from 2,039 people in 1980 to 11,082 in 2020, 5 times over.
5 censuses, 1980–2020.
U.S. Census Bureau decennial counts, from the census table on Canyon Lake’s Wikipedia page.
Each neighbor’s History grade, on the same three inputs.
The Canyon Lake post office opened in 1980, the earliest record of the town by name (U.S. post office records). Wikidata gives 1990.
Canyon Lake is among the newest of U.S. towns, #842 of 847 in California. 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.
0.0% of Canyon Lake’s homes were built before 1940 (Census estimate), against a typical 3.4% for a California town; the median home was built in 1985.
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 (11), Wikipedia, 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.
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