Introduction to Castle Rock, Colorado

Castle Rock, Colorado, in Douglas county, is 22 miles S of Aurora, Colorado. The town is in the Denver area. There are 20,224 residents in Castle Rock.

Castle Rock History

Castle Rock was founded in 1874. The eastern border of Douglas County was redrawn at this time, and Castle Rock was chosen as the county seat. The area was originally inhabited by Cheyenne and Arapahoe Native Americans. In the early 1860s there were rumors of gold in the area, which drew large numbers of European settlers to the area.

Castle Rock and nearby Attractions

  • Littleton Historical Museum
  • Wildlife Experience Museum
  • Franktown Parker FPM-1 Reservoir
  • Pike National Forest
  • Castlewood Canyon State Park

Things To Do In Castle Rock

While in Castle Rock, one can visit the Wildlife Experience Museum, which has a collection of wildlife art. The town also provides easy access to the Littleton Historical Museum and the Museum of Outdoor Arts.

Castle Rock Transportation

Air transportation facilities are provided by the Buckley AFB Airport.

Castle Rock Higher Education

For higher education, one can enroll at the Community College of Aurora, the Emily Griffith Opportunity School or the United States Air Force Academy.


Total Population 52,143
Male Share of the Population 50%
Female Share of the Population 50%
Senior Citizens 8%
Employed Population 16+ 27,243
Age of the Population 35


% of people married 65.1%
Average household size 3

Education and Earnings

Population % with Bachelor Degree or Higher 48.1%
Median Earnings25+ $52,408
Median Earnings Without High School Qualification $25,371
Median Earnings With High School Degree $32,377


Median Family Income $101,310
% Above Poverty Level 94.8%
% Below Poverty Level 5.2%

Commute & Sprawl

Average Commute Time 29 minutes
% Working from Home 9%
% Walking and Biking to Work 1%
% Using Public Transportation 0.4%


People Living Alone 17.8%
Median Gross Rent $1,240
Median House Value $296,600


Other(often includes Hispanic and African American) 21.9%
US/American 0.1%
English 12.3%
Irish 15.6%

Source: American Community Survey, U.S. Census Bureau, 2015, www.census.gov/programs-surveys/acs/.

Castle Rock Almanac

Category Value
Nearest Large City 22 miles S of Aurora, Colorado
County Douglas
Standard Zip Codes 80104, 80108, 80109
Phone Area Codes 303
Time Zone Mountain (-7 hours from GMT)
Daylight Savings The city observes Daylight Saving Time.
Latitude 39.372
Longitude -104.855

Castle Rock Climate

Nearest Weather Stations


  • Temp ranges are avg daily min and max for the month
  • Precipitation is rainfall (and rainfall equiv of snowfall)

Distance 1.2 miles
Jan Temp 14 to 44 F
Apr Temp 30 to 58 F
Jul Temp 53 to 84 F
Oct Temp 32 to 65 F
Annual Precip 17.3 inches
Distance 14.6 miles
Jan Temp 8 to 42 F
Apr Temp 28 to 60 F
Jul Temp 51 to 85 F
Oct Temp 29 to 66 F
Annual Precip 21 inches
Station PARKER 6 E
Distance 15.6 miles
Jan Temp 18 to 43 F
Apr Temp 32 to 60 F
Jul Temp 56 to 85 F
Oct Temp 36 to 66 F
Annual Precip 15.2 inches

Nearby Cities and Towns

Location Population Median Family Income
Elizabeth 1,236 $56,250
Foxfield 683 $117,813
Greenwood Village 14,920 $165,813
Larkspur 248 $60,833
Lone Tree 12,462 $139,333
Parker 47,342 $111,144

Source: American Community Survey, U.S. Census Bureau, 2015, www.census.gov/programs-surveys/acs/.

Castle Rock Public Libraries

Douglas Public Library District
Castle Rock, Colorado
(303) 688-8752
Library Web Site

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More Information for Librarians

These schools offer particularly quick info upon request, and we have written detailed profiles for each (click school names to see the profiles). Request info from multiple schools, by clicking the Request Info links.
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Castle Rock High Schools

(Sorted by Number of Students)

Serves 2,421 students.
Student/teacher ratio: 17.2

A Non-traditional School
Serves 90 students.
Student/teacher ratio: 8.6

Study Online in Castle Rock

Career and College Resources

Real-World Career Reports
Career References and Original Articles
College Directories and Lists
Additional Resources
Info for Castle Rock Government Officials

Are you an official in the Castle Rock government or quasi-government agency such as the chamber of commerce, visitors bureau or economic development council? If so, visit our information page for government officials to see how CityTownInfo can support you.

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