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Castle Rock, Colorado

Located in Douglas County, Colorado, Castle Rock was established in 1874. Douglas County is one of wealthiest counties in America. Named for castle-shaped rock butte.
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Founded 1874 | Population 79,000 | Peak 79,000 (2024) | County Douglas County

Top 10 Most Important Events for Castle Rock, Colorado

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1874 Founded: Named for rock butte.
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1881 Incorporated: Castle Rock was officially incorporated as a city.
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1942 Military Presence: Military installations became a major part of Castle Rock's identity and economy.
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2000 Exurban Boom: Fastest-growing CO county.
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Latest News in Castle Rock

Apr 18, 2026
Trump’s Psychedelic Pivot: Executive Order Accelerates Review of Mind-Altering Drugs for Mental Health Crisis
President Donald Trump signed an executive order on Saturday directing federal agencies to fast-track the review and potential app…
Apr 7, 2026
Health Experts Issue Warning Over Infected Rabbits In Colorado 
Residents of Fort Collins, Colorado, are doing double takes after spotting rabbits that look like they hopped out of a horror flic…
Feb 19, 2016
Trump Cruz Using Nazi Tactics Win Delegates
Washington, DC – Back in February 2016, the Republican presidential primaries turned ugly as rivals Donald Trump and Ted Cruz tr…
Jan 13, 2016
Florida Reforms its Death Penalty Sentencing
TALLAHASSEE, Fla. (January 13, 2016) — Florida’s governor, Rick Scott, signed a bill into law that shook up the state&#821…
Dec 11, 2015
Woman was Sentenced 119 Years Prison
DENVER, Dec. 11, 2015 — A Colorado woman was handed a staggering 119-year prison sentence on Friday for a string of financial cr…
Oct 16, 2015
Planned Parenthood Says Colorado Shooter Opposed Abortion
Colorado Springs, Colo. – In the wake of a deadly shooting at a local Planned Parenthood clinic, the organization quickly pointe…

Complete Historical Timeline

1874 Culture
Founded
1881 Government
Incorporated
1942 Government
Military Presence
2000 Business
Exurban Boom

Did You Know?

1
Douglas County is one of wealthiest counties in America.
2
Named for castle-shaped rock butte.
3
Midway between Denver and CO Springs.
4
Castle Rock was founded in 1874.
5
Castle Rock has a population of approximately 79,000.

Famous People from Castle Rock, Colorado

CM
Christian McCaffrey
American Football Player · Born Jun 7, 1996 · Age 29
ES
Edward Seidensticker
Historian, Translator · Born Feb 11, 1921 · Died Aug 26, 2007 (age 86)
AS
Ann Strother
Basketball Player, Basketball Coach · Born Dec 11, 1983 · Age 42

Other Cities in Colorado

View all Colorado cities →
D
Denver
Pop. 715,522
CS
Colorado Springs
Pop. 478,961
A
Aurora
Pop. 411,293
A
Aurora
Pop. 411,293
FC
Fort Collins
Pop. 171,391
L
Lakewood
Pop. 157,161
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