ZIP code 80104: Castle Rock, CO
80104 is a ZIP code in Castle Rock, Colorado, mainly in Douglas County, part of the Denver-Aurora-Centennial, CO metro area. About 38,479 people live here.
- Population
- 38,479
- Median household income
- $134,335
- Typical home value
- $602,100-0.9% in 12 months
- Median rent
- $1,880gross, per month
- Median age
- 38.2
- Homeowners
- 79.4%of occupied homes
Shaded: ZIP code 80104's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 80104 details
| City | Castle Rock |
|---|---|
| State | Colorado |
| County | Douglas County |
| Metro area | Denver-Aurora-Centennial, CO |
| Time zone | Mountain Time (UTC−7), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 70.7 sq mi |
| Population density | 544 people per sq mi |
| Bachelor's degree or higher | 55.8% of adults 25+ |
| Average commute | 29.5 minutes |
| Center coordinates | 39.30211, -104.81967 |
Median rent in 80104 by bedrooms
| Size | Median gross rent |
|---|---|
| Studio | $1,773/mo |
| 1 bedroom | $1,539/mo |
| 2 bedrooms | $1,922/mo |
| 3 bedrooms | $1,988/mo |
| 4 bedrooms | $2,824/mo |
Gross rent includes utilities paid by the tenant. ACS 2020–2024; sizes with too few rentals to estimate are left out.
ZIP codes near 80104
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 80116 | Franktown, CO | 6.0 mi | 5,132 |
| 80109 | Castle Rock, CO | 6.9 mi | 28,400 |
| 80118 | Larkspur, CO | 8.5 mi | 5,632 |
| 80163 | Littleton, CO | 9.9 mi | — |
| 80108 | Castle Rock, CO | 10.0 mi | 36,730 |
| 80134 | Parker, CO | 12.7 mi | 80,302 |
| 80133 | Palmer Lake, CO | 13.7 mi | 2,425 |
| 80132 | Monument, CO | 15.0 mi | 30,073 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Buying a home in 80104?
A typical home in ZIP code 80104 is worth about $602,100 (Zillow Home Value Index). The median household here earns $134,335 a year. See what buying here would cost per month, with Colorado average taxes and insurance filled in.
Monthly payment for a $602,100 homeWhat can a $134,335 income afford?Rental property numbers
About ZIP code 80104
What city is ZIP code 80104?
ZIP code 80104 is in Castle Rock, CO, in Douglas County.
What county is ZIP code 80104 in?
80104 is mainly in Douglas County, Colorado.
What is the population of ZIP code 80104?
About 38,479 people live in ZIP code 80104, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 80104 in?
80104 is in Mountain Time (UTC−7). It observes daylight saving time.