Boulder County, Colorado

Browse all ZIP codes in Boulder County, Colorado. Each ZIP code page includes population, median household income, and a map of the area.

County Statistics

Total Population 345,921
Median Household Income $107,365
Median Age 37.6
Unemployment Rate 4.6%
Poverty Rate 13.1%
ZIP Codes 19

Largest ZIP Codes in Boulder County

ZIP Code City Population Median Income
80504Longmont60,527$108,819
80501Longmont43,222$77,327
80503Longmont36,235$113,168
80027Louisville34,161$139,412
80026Lafayette32,675$109,414

Demographics

Race & Ethnicity

Gender

Education Level (adults 25+)

All ZIP Codes in Boulder County