Castle Rock, CO ZIP Codes

Total ZIPs

67,419

Total Population

ZIP Codes in Castle Rock, CO

ZIP Code	Population	Density	Timezone
80104	27,588	137	America/Denver
80108	22,612	246	America/Denver
80109	17,219	252	America/Denver

All data sourced from the U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates (2023).

PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.