A TOWN NAMED FOR THE ROCK IT’S BUILT AROUND
Castle Rock
Founded in 1874 around a rhyolite butte with a 45-foot electric star on top of it every winter. One of the fastest-growing towns in the country for over a decade, and still going.
Location: Douglas County, on I-25 about 30 to 40 minutes south of downtown Denver | Vibe: Fast-growing, family-first, small-town downtown wrapped in new subdivisions | Known for: The rock and its winter star, Philip S. Miller Park, the Outlets
Homesteader Jeremiah Gould owned 160 acres south of the rock and donated 120 of them in 1874 to start the town. Surveyors laid out six streets (Elbert, Jerry, Wilcox, Perry, Castle and Front), set aside a Courthouse Square, and auctioned 77 lots for a combined $3,400. The town incorporated on April 14, 1881.
Rhyolite built the town before rooftops did
What actually put Castle Rock on the map was geology, not real estate. Rhyolite stone quarried from the butte became a building material shipped across the region, and within a year of the town’s founding the Denver and Rio Grande Railway ran a depot here to move it, along with cheese from surrounding dairy farms. That depot, built from local rhyolite, still stands today as the Castle Rock Historical Museum. Philip S. Miller, a local civic leader who opened the town’s first bank, pushed for the sewer and electrical infrastructure that let the town grow past a rail stop, and the 300-acre park bearing his name opened its first phase in 2014.
Still one of the fastest-growing towns in the country
Castle Rock has grown from a handful of prospector shacks to more than 83,000 residents, up roughly 14 percent since the 2020 Census and more than 50 percent in the decade before that. It shows up regularly on national lists of the fastest-growing places in the country, and driving through the newer subdivisions on the north and east sides makes it obvious why. If you want a genuinely new house within commuting distance of Denver, this is one of the first towns I point buyers toward.
Castle Rock highlights
Founded in 1874
On land donated by homesteader Jeremiah Gould, incorporated April 14, 1881
The rock and the star
A 45-foot electric star sits atop the namesake butte, lit each winter from before Thanksgiving through January
83,000-plus residents
Up about 14 percent since 2020, consistently among the fastest-growing towns in the country
Philip S. Miller Park
300 acres with the Mini Incline, an aerial ropes course, and a playground families drive across town for
A working history museum
The 1875 rhyolite train depot still stands as the Castle Rock Historical Museum
Castle Rock, photographed
Shot around town by Marla
Discover Castle Rock
Local spots worth knowing
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Philip S. Miller Park
300 acres with the Mini Incline, an aerial ropes course, and a playground worth the drive on its own.
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Historic Downtown
Rhyolite-stone buildings along Wilcox Street, with shops, breweries and the old rail depot turned museum.
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Castle Rock Outlets
An open-air outlet center right off I-25, a regional shopping draw beyond just the town itself.
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The Castle Rock Star
A 45-foot electric star lights the top of the butte from before Thanksgiving through January.
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Wild Blue Yonder Brewing
One of several breweries anchoring downtown’s growing restaurant and bar scene.
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Douglas County schools
The same district serving Highlands Ranch, Parker and the rest of the south metro suburbs.
Castle Rock real estate
Public market data moves fast in a town growing this quickly, so treat the numbers below as a starting point, not a current pull. Send me your price range and I’ll get you actual comps for the part of town you’re considering.
Ask about current Castle Rock listings
Public Redfin market data, a point-in-time snapshot rather than a live pull. Ask me for a current comp before you price anything off these numbers.
Who buys in Castle Rock
Castle Rock draws buyers who want new construction and a real downtown in the same town, without a Denver commute measured in hours.
Families priced out of Denver
Buyers who want a new-build house and top schools at a price Denver proper stopped offering years ago.
Outdoor-recreation buyers
People drawn by Philip S. Miller Park who end up staying for the whole town once they see it.
I-25 commuters
Buyers willing to trade 30 to 40 minutes on I-25 for a bigger lot and a lower price per square foot.
New construction in Castle Rock
Castle Rock is still one of the more active new-construction markets in the entire metro, with subdivisions releasing new phases on the north, east and south sides of town. If a brand-new house is the goal, this is one of the first places worth a serious look.
Interested in Castle Rock?
Let’s talk about which side of town fits your commute, whether a new build or resale makes more sense for your budget, and what’s available right now.