ZIP codes
2
Castle Rock, CO Demographics & ZIP Codes
Castle Rock, Colorado demographics and median household income by ZIP code (in Douglas County) — 2 ZIP codes — population 64,256 — median income $139,888 — avg. home value $617,850. Compare income, housing, and population across ZIP codes on US5.
Population
64,256
Median household income (avg.)
$139,888
186% of U.S. median
Average home value
$617,850
178% of U.S. median
Average rent
$1,887
162% of U.S. median
Median age (avg.)
36.4
Castle Rock demographics
Castle Rock, Colorado covers 2 ZIP codes primarily in Douglas County, with a combined ZIP-area population of about 64,256.
Across ZIP codes with age data, the average median age is about 36.4 years.
Median household income in Castle Rock
The average median household income across ZIP codes in Castle Rock, Colorado is about $139,888 — about 66% above the CO ZIP average ($84,127), and about 86% above the U.S. median ($75,149).
Among ZIPs with income data, 80109 is near the top at about $148,417, while 80104 is near the bottom at about $131,359.
Housing in Castle Rock
For housing in Castle Rock, Colorado, the average median home value is about $617,850 and the average median rent is about $1,887.
The most populous ZIP in this set is 80104 (about 36,461 residents). Use the table below to compare population, income, and home values across codes.
ZIP codes in Castle Rock
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 80104 | Castle Rock | Douglas County | CO | 36,461 | $131,359 | $586,800 |
| 80109 | Castle Rock | Douglas County | CO | 27,795 | $148,417 | $648,900 |
Frequently asked questions
What are the demographics of Castle Rock?
Castle Rock, Colorado has a combined ZIP-area population of about 64,256 across 2 ZIP codes (primarily Douglas County). Browse the ZIP table below for population, income, and housing by code.
What is the median household income in Castle Rock?
The average median household income across ZIP codes in Castle Rock, Colorado is about $139,888, about 66% above the state ZIP average ($84,127), and about 86% above the U.S. median ($75,149). Average median home value is about $617,850. Among ZIPs with data, 80109 is near the top ($148,417) and 80104 is near the bottom ($131,359).
How many ZIP codes are in Castle Rock?
Castle Rock, Colorado includes 2 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Castle Rock?
This page lists ZIP codes in Castle Rock, Colorado with population, median household income, and home value. Select a ZIP for a full demographics profile.