More historic than 24% of U.S. towns · #85 of 159 in Colorado. What drives it
Most of Berkley was built recently: 9% of its homes predate 1940 and the median home dates from 1977. Below: maps from 1941 on and the census since 2000.
On its age, its old homes and the National Register, Berkley is more historic than 24% of U.S. towns, #85 of 159 in Colorado. Its share of homes from before 1940 holds the grade up; its National Register listings pull it down.
C−
HistoryA character grade: shown, never part of Berkley’s overall grade.
Few Colorado towns list much on the Register (a typical Colorado town has 1.1 per 10,000 residents, the U.S. 2.4), so Berkley’s 0.0 sits below most of its state (22% of Colorado 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 is a Census survey estimate (±3.2 points).
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 Berkley’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Old hamlets and crossroads still carry their names on the map.
Hamlets and corners on the map
Berkeley GardensHidden LakePioneer Mobile GardensZuni
Gone or out of use
Asphalt Paving Company PitmineAsphalt Paving Company PitmineBerkeley Gardens Elementary SchoolschoolBrannan Sand and Gravel Company PitmineBrannan Sand and Gravel Company PitmineBrannan Sand and Gravel Company PitmineColorado-Wyoming Improvement Company PitmineCooley Gravel Company PitmineCooley Gravel Company PitmineCooley Sand and Gravel Company PitmineCooley Sand and Gravel Company PitmineCooley Sand and Gravel PitmineSouthwest Adams County Fire Rescue Station 13buildingWestern Paving Company Pitmine
Places and cemeteries from the USGS Geographic Names Information System (2021).
The story so far
Berkley, in brief
Wikipedia doesn’t have a history of Berkley yet. The photos, dates and memories neighbors add here are how it gets written.
Berkley is an unincorporated community and a census-designated place (CDP) located in southwestern Adams County, Colorado, United States. The CDP is a part of the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area. The population of the Berkley CDP was 12,536 at the United States Census 2020. Berkley never had a post office, but Denver post office 80221 serves the area.
Between the 2010 and 2020 censuses its population grew from 11,207 to 12,536 (+12%).
Intro from Wikipedia. Population: U.S. Census Bureau.
By decade
No old photos in the archives yet
Weddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.
Be the first to add onePhotograph a print flat, in daylight, no flash.
Berkley is more historic than 24% of U.S. towns, #85 of 159 in Colorado. 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 Berkley?
9% of Berkley’s homes were built before 1940 (Census estimate, ±3.2 points), against a typical 2.5% for a Colorado town; the median home was built in 1977.
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 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.
