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Castle Rock, CO
Town in Douglas County, Colorado. ZIP codes: 80104, 80108, 80109.
Population
79,123
Land area
34.7sq mi
People per sq mi
2,277
ZIP codes
3
Castle Rock and its ZIP codes
Castle Rock at a glance
- Castle Rock is about 40 times as dense as Colorado as a whole.
- It is the 15th most populous of 472 cities and towns in Colorado.
- Households here earn a median of $145,197 a year, 52% more than the Colorado figure of $95,470.
- A typical owner-occupied home is valued at $652,900 (21% above Colorado) and median rent is $2,000 a month.
Local data for Castle Rock, CO
Counts from official public data
Housing and community stats
Castle Rock, CO, American Community Survey 2020-2024
Median household income
$145,197
Poverty rate
3.8%
Median home value
$652,900
Median rent
$2,000/mo
Homeownership
78.8%
Bachelor's or higher
55.9%
Median age
36.5
Average commute
28.6 min
Largest reported origins and ancestries: German Americans (16,741), Irish Americans (9,340), Mexican Americans (5,309).
Economy and federal money
Jobs, pay, income and spending are for Douglas County. PPP loans are for Castle Rock.
Unemployment rate
4.0%
Sep 2026, +0.4 pts in a year
Average annual pay
$88,811
149,592 jobs, 2025
Income per person
$107,204
BEA, 2024
Federal spending
$4.4B
FY 2026, $12,267 per person
How people get to work
Castle Rock, CO, workers 16 and older. American Community Survey 5-year estimates
- Drove alone62.9%
- Carpooled5.3%
- Public transit0.1%
- Walked1.7%
- Bicycle0.1%
- Taxi, ride-hailing, motorcycle or other1.1%
- Worked from home28.8%
Average one-way commute: 28.6 minutes for people who do not work from home.
Environment and hazard risk
Castle Rock, CO, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Moderate
Top: lightning
Storm events since 1996
1,440
Countywide, mostly hail
Flood insurance policies
311
0.3% of homes, county
July high / Jan low
86° / 18°F
17.6 inches of rain a year
Hazards, floods and storm historyCheck a flood zone6 historic places
Health statistics
Share of adults in Castle Rock, CO, CDC PLACES estimates
Obesity
26.7%
U.S. 33.3% -6.6 pts
Diabetes
6.4%
U.S. 12.1% -5.7 pts
Smoking
8.8%
U.S. 12.8% -4.0 pts
Uninsured (18-64)
6.9%
U.S. 11.1% -4.2 pts
ZIP codes in Castle Rock
3 in or overlapping Castle Rock. Population shown
Cities near Castle Rock
| Name | Distance | Land area (sq mi) |
|---|---|---|
| FranktownCensus-designated place | 3.3 mi | 2.9 |
| The PineryCensus-designated place | 5.9 mi | 10.4 |
| Castle Pines VillageCensus-designated place | 6.7 mi | 4.5 |
| Castle PinesCity | 8.3 mi | 9.6 |
| Ponderosa ParkCensus-designated place | 9.3 mi | 14.4 |
| Stepping StoneCensus-designated place | 9.8 mi | 0.7 |
| LarkspurTown | 9.9 mi | 1.6 |
| ParkerTown | 10 mi | 22.4 |
| SedaliaCensus-designated place | 10 mi | 1.4 |
| ElizabethTown | 11 mi | 2.1 |
| Meridian VillageCensus-designated place | 11 mi | 0.5 |
| Sierra RidgeCensus-designated place | 11 mi | 0.5 |
| StonegateCensus-designated place | 11 mi | 1.8 |
| Lone TreeCity | 12 mi | 9.8 |
| Grand View EstatesCensus-designated place | 12 mi | 1 |
| Perry ParkCensus-designated place | 12 mi | 8.6 |
Frequently asked questions
- What county is Castle Rock, CO in?
- Castle Rock is in Douglas County, Colorado.
- What ZIP codes are in Castle Rock, CO?
- ZIP codes in or overlapping Castle Rock include 80104, 80108, 80109.
- What is the population of Castle Rock, CO?
- About 79,123 people live in Castle Rock, based on American Community Survey 5-year estimates.
- What cities are near Castle Rock?
- Nearby places include Franktown (3.3 mi), The Pinery (5.9 mi), Castle Pines Village (6.7 mi), Castle Pines (8.3 mi), Ponderosa Park (9.3 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023