Boulder, CO ZIP Codes

Total ZIPs

120,932

Total Population

ZIP Codes in Boulder, CO

ZIP Code	Population	Density	Timezone
80302	26,941	126	America/Denver
80304	25,623	1,085	America/Denver
80301	22,555	300	America/Denver
80303	22,361	392	America/Denver
80305	16,874	905	America/Denver
80310	6,578	5,854	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.