Castle Rock ZIP codes, Colorado
Castle Rock, CO has 3 ZIP codes: 80104, 80108 and 80109. The largest is 80104.
- USPS city name
- 3 ZIP codes
- Overlapping the city
- 2 more
- Population
- 79,123
- County
- Douglas County
- State
- Colorado
Mail addressed to Castle Rock uses the ZIP codes above. 2 more ZIP codes cover part of the city but are addressed as somewhere else; they are listed separately below.
Castle Rock in numbers
About 79,123 people live in Castle Rock, in 28,219 households, the 15th-largest of Colorado's 471 census places. The median household income is $145,197 a year, 52% above the Colorado median of $95,470 (US: $80,734). The median owner-occupied home is valued at $652,900 (21% above the Colorado median), and median gross rent is $2,000 a month. The median age is 36.5; 55.9% of adults 25 and over hold a bachelor's degree or higher (45.7% across Colorado); the average commute takes 29 minutes.
| Population | 79,123 |
|---|---|
| Households | 28,219 |
| Median age | 36.5 |
| Median household income | $145,197 |
| Median home value | $652,900 |
| Median gross rent | $2,000 |
| Bachelor's degree or higher | 55.9% |
| Mean commute | 28.6 min |
| Population density | 2,277 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Castle Rock town. Survey estimates carry margins of error, wider for small places. Sources and methods.
ZIP codes addressed as Castle Rock
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
80104 | Castle Rock , CO | Standard | 38,479 | $134,335 | $624,200 |
80108 | Castle Rock , CO | Standard | 36,730 | $181,049 | $881,700 |
80109 | Castle Rock , CO | Standard | 28,400 | $155,025 | $675,500 |
Other ZIP codes overlapping Castle Rock
These ZIP codes cover part of Castle Rock but are addressed as somewhere else.
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
80116 | Franktown , CO | Standard | 5,132 | $146,000 | $960,400 |
80134 | Parker , CO | Standard | 80,302 | $146,778 | $677,700 |
Map of Castle Rock ZIP codes
The ZIP codes of Castle Rock, CO, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Towns near Castle Rock
The nearest larger towns are Highlands Ranch (102,257 people, 13 mi), Centennial (108,201 people, 15 mi) and Aurora (394,432 people, 24 mi).
| Town | Population | Distance |
|---|---|---|
| Castle Pines Village | 4,436 | 5.1 mi |
| Castle Pines | 13,388 | 6.0 mi |
| The Pinery | 11,871 | 7.4 mi |
| Stepping Stone | 3,137 | 9.7 mi |
| Parker | 61,783 | 9.9 mi |
| Meridian Village | 2,699 | 10.6 mi |
| Sierra Ridge | 3,663 | 10.7 mi |
| Lone Tree | 14,147 | 10.7 mi |
| Stonegate | 8,906 | 11.3 mi |
| Meridian | 5,634 | 11.7 mi |
| Ponderosa Park | 3,453 | 11.7 mi |
| Acres Green | 2,639 | 12.6 mi |
| Roxborough Park | 9,085 | 12.9 mi |
| Highlands Ranch | 102,257 | 13.0 mi |
More nearby: every ZIP code in Douglas County · Colorado ZIP codes
Cite this page
zipcodes.pro. “Castle Rock, CO ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/co/castle-rock
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