Median Income
$135,985
household / year
Median Home Value
$577,500
owner-occupied
Median Rent
$1,810
gross / month
Cost of Living
106
national avg = 100

Is Castle Rock, CO a Good Place to Live?

Castle Rock is a mid-sized city of 74,065 in Colorado, with a median household income of $135,985 and a 4.2% unemployment rate. Its cost of living index is 106 (US average = 100), which is 6% above the national average.

Strengths: Castle Rock stands out for lower-than-average crime, solid school ratings (A-), a well-educated population.

Trade-offs: Potential downsides include high home prices. Whether Castle Rock is right for you depends on your priorities — the full breakdown is below.

All Castle Rock city data on this page comes from official government sources — the US Census Bureau, FBI, NCES, BEA, and NOAA — updated annually.

Cost of Living

Index: 105.5

Castle Rock's overall cost of living index is 105.5, where 100 represents the US national average. Living in Castle Rock costs roughly 6% more than the average American city.

Metric Castle Rock, CO National Avg
Median Home Value $577,500 $244,900
Median Monthly Rent $1,810 $1,163
Homeownership Rate 78.5% 65.9%
Median Household Income $135,985 $74,755

Crime & Safety

Very Safe

Castle Rock's violent crime rate is 35.7 per 100,000 residents — 91% lower than the national average of ~380 per 100,000.

Violent Crime
35.7 /100k
Property Crime
938.2 /100k

Vertical marker = national average. Source: FBI UCR Program.

Schools & Education

Castle Rock is served primarily by Douglas County School District No. Re 1. The student-to-teacher ratio is 17.4:1 (slightly above the national average of ~16:1).

Metric Castle Rock, CO National Avg
School District Douglas County School District No. Re 1
Elementary Schools 61
Middle Schools 9
High Schools 15
Student/Teacher Ratio 17.4:1 16:1
Bachelor's Degree or Higher 53.6% 35.4%
High School Diploma or Higher 97.5% 91.1%

Weather & Climate

Castle Rock sees average highs of 45.6°F in January and 85.7°F in July, with 19.1 inches of annual precipitation and 57.5 inches of snow per year.

MetricCastle Rock, CO
Average High — January45.6°F
Average High — July85.7°F
Annual Precipitation19.1"
Annual Snowfall57.5"

Demographics

MetricCastle Rock, CONational Avg
Population74,065
Median Age35.838.9
Unemployment Rate4.2%3.7%
Avg Commute Time29.3 min26 min
White (non-Hispanic)87.3%59.3%
Black or African American0.8%13.6%
Hispanic or Latino6.1%18.9%
Asian2.2%6.3%
Under 1827.5%22.2%
65 and over10.4%16.8%

Nearby Cities

ZIP Codes in Castle Rock

Castle Rock, CO is covered by 2 ZIP codes:

Castle Rock vs Other Cities

Frequently Asked Questions

Castle Rock's cost of living index is 106, where 100 is the national average. That puts Castle Rock roughly 6% above the national average in cost. The median home price is $577,500 and median rent is $1,810/month.
Castle Rock's violent crime rate is 35.7 per 100,000 residents — the national average is ~380 per 100,000. Property crime is 938.2 per 100,000 (national avg ~2,100). Data from the FBI Uniform Crime Reporting Program.
Public schools in Castle Rock are operated by Douglas County School District No. Re 1. The district has 61 elementary, 9 middle, and 15 high schools. The student-to-teacher ratio is 17.4:1. 53.6% of adults 25+ hold a bachelor's degree or higher.
Castle Rock, CO has a population of 74,065, a median household income of $135,985, and an unemployment rate of 4.2%. Whether it's right for you depends on your priorities — use the compare tool above to stack it against another city you're considering.
Castle Rock averages 45.6°F in January and 85.7°F in July. Annual rainfall is 19.1 inches with about 57.5 inches of snow per year. Based on NOAA 30-year climate normals (1991–2020).
Castle Rock, CO is covered by 2 ZIP codes: 80104, 80109.
The population of Castle Rock, Colorado is 74,065 with a median age of 35.8. Source: US Census ACS 5-Year Estimates.
Key numbers for living in Castle Rock: cost of living index 106 (100 = US average), median home $577,500, median household income $135,985, crime index 24 (100 = US average, lower is safer), schools rated A-. Whether these are benefits or drawbacks depends on where you're coming from — compare Castle Rock side by side with your current city to see the trade-offs.