Castle Rock, Colorado

Castle Rock: The most populous city in Douglas County, Colorado. It is located on the South Platte River in the Denver metropolitan area. Castle Rock is known for its many parks and green spaces, its many historical sites, and its many attractions, such as the Castle Rock Historical Museum and the Castle Rock Center for the Arts.


Castle Rock is a city located in the county of Douglas in the U.S. state of Colorado. Its population at the 2010 census was 48,231. After 10 years in 2020 city had an estimated population of 70,567 inhabitants.

The city was created 149 years ago in 1873.

Castle Rock locator map
Location of Castle Rock on Colorado map.

Quick Facts about Castle Rock

Population : 70,567 (2020)
Country : United States of America
State : Colorado (United States)
County : Douglas County
Water as percent of area : 0%
Land as percent of area : 100%
Altitude : 6,224 feet / 1897 meters
Capital city : Castle Rock is capital of Douglas County
Establishment : January 01, 1874 (149 years ago)
Time Zone : Mountain Time Zone
Local time : 09:23:13 (7th December 2023)
Postal code : 80104
Population growth : 31.65% (2010-2020)
Weather : 37℉ Partly Cloudy 7-days weather
Castle Rock  CO image
Castle Rock CO
Castle Rock  CO image


Castle Rock is located at 39°22'20"N 104°51'22"W (39.3722100, -104.8560900).

Castle Rock map


Castle Rock forecast: Partly cloudy, with a low around 37. more


The population of Castle Rock increased by 31.65% in 10 years.

Year Population % Change Method
2010 48,231 - census
2011 49,693 2.94% estimation process
2012 51,017 2.6% estimation process
2013 52,657 3.11% estimation process
2014 55,154 4.53% estimation process
2015 57,175 3.53% estimation process
2016 59,284 3.56% estimation process
2017 62,297 4.84% estimation process
2018 65,000 4.16% estimation process
2019 68,484 5.09% estimation process
2020 70,567 2.95% estimation process

Castle Rock zip code is 80104. County name: Douglas, County fips: 08035

Kasl Rok, Kasul Rok, cheng bao shi, kasl rak klradw, kasl rwk, kyasala raka, Касл Рок, Касъл Рок, كاسل روك, کاسل راک، کلرادو, کیسل راک، کولوراڈو, क्यासल रक, 城堡石

People born in Castle Rock (9)

People born in Castle Rock, including basketball player-coach Ann Strother, musician Nelson Rangell, japanologist Edward Seidensticker, .


  • Jim Cottrell (American football player) he was born in 13/01/1983
  • Nathan Sliwinski (American ice hockey player (1990-)) he was born in 11/10/1990
  • Christian McCaffrey (American football player) he was born in 07/06/1996
  • Max McCaffrey (American football player) he was born in 17/05/1994
  • Will Owen (American racing driver) he was born in 23/03/1995
  • Dylan McCaffrey he was born in 25/03/1999

Schools in Castle Rock

College & universities near Castle Rock, CO

Code Name City ZIP
491792 Stacey James Institute Parker (CO) 80134-3358
484640 University of Phoenix-Colorado Lone Tree (CO) 80124
476823 New Dimensions Beauty Academy Inc Parker (CO) 80138-9801
480790 Rocky Vista University Parker (CO) 80134
466161 National American University-Centennial Centennial (CO) 80122-3157

Stations (9)

Amtrak & bus stations near Castle Rock, CO

Code Name Address Type
DEB Denver (Bus Station), Colorado 1055 19th Street BUS
DEN Union Station 1701 Wynkoop Street RAIL
PJT Pine Junction, CO 76 Mount Evans Boulevard BUS
COS Colorado Springs, Colorado 120 South Weber Street BUS
BLD Boulder, Colorado 30th & Diagonal Highway BUS

Post offices near Castle Rock

Post Office Name City ZIP
Castle Rock Post Office Castle Rock (CO) 80104
Franktown Post Office Franktown (CO) 80116
Sedalia Post Office Sedalia (CO) 80135
Larkspur Post Office Larkspur (CO) 80118
Louvier Post Office Louviers (CO) 80131

Other places with the same name (4)

Other cities in Douglas County

Cities, towns, neighborhoods & other populated places in Douglas County , CO.

City Name Population Title
Highlands Ranch 96,713 Census designated place
Parker 58,673 The most populous city in Douglas County, Colorado.
Castle Pines 11,664 City in Douglas County, Colorado, United States of America
The Pinery 10,517 Census designated place
Roxborough Park 9,099 Census designated place
Stonegate 8,962 Census-designated place in Douglas County, Colorado
Acres Green 3,007 Census-designated place (CDP) in northern Douglas County, Colorado, United States
Perry Park 1,646 Census-designated place in Douglas County, Colorado
Carriage Club 1,090 Town
Larkspur 203 Human settlement in Douglas County, Colorado, United States of America

Distance to Other Cities

Castle Rock distances to largest Colorado cities