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ZIP code 80303: Boulder, CO

80303 is a ZIP code in Boulder, Colorado, mainly in Boulder County, part of the Boulder, CO metro area. About 24,996 people live here.

Population
24,996
Median household income
$78,555
Typical home value
$806,300+0.8% in 12 months
Median rent
$1,910gross, per month
Median age
29.3
Homeowners
43.9%of occupied homes
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Shaded: ZIP code 80303's area. Click anywhere on the map to see which ZIP code it's in.

ZIP codes within 10 milesWithin 25 miles

ZIP code 80303 details

CityBoulder
StateColorado
CountyBoulder County
Metro areaBoulder, CO
Time zoneMountain Time (UTC−7), observes daylight saving time
TypeStandard (delivery area)
Land area21.9 sq mi, plus 0.9 sq mi of water
Population density1,142 people per sq mi
Bachelor's degree or higher80.1% of adults 25+
Average commute18.2 minutes
Center coordinates39.97322, -105.20928

Median rent in 80303 by bedrooms

SizeMedian gross rent
Studio$1,615/mo
1 bedroom$1,737/mo
2 bedrooms$2,067/mo
3 bedrooms$2,374/mo
4 bedrooms$2,963/mo
5+ bedrooms$3,501/mo

Gross rent includes utilities paid by the tenant. ACS 2020–2024; sizes with too few rentals to estimate are left out.

ZIP codes near 80303

ZIP codeCityDistancePopulation
80305Boulder, CO2.1 mi16,291
80027Louisville, CO3.1 mi34,127
80310Boulder, CO3.5 mi7,692
80309Boulder, CO4.3 mi—
80301Boulder, CO5.0 mi25,007
80025Eldorado Springs, CO5.8 mi138
80026Lafayette, CO6.4 mi32,701
80304Boulder, CO6.5 mi25,383

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

Buying a home in 80303?

A typical home in ZIP code 80303 is worth about $806,300 (Zillow Home Value Index). The median household here earns $78,555 a year. See what buying here would cost per month, with Colorado average taxes and insurance filled in.

Monthly payment for a $806,300 homeWhat can a $78,555 income afford?Rental property numbers

About ZIP code 80303

What city is ZIP code 80303?

ZIP code 80303 is in Boulder, CO, in Boulder County.

What county is ZIP code 80303 in?

80303 is mainly in Boulder County, Colorado.

What is the population of ZIP code 80303?

About 24,996 people live in ZIP code 80303, according to the American Community Survey 2020–2024 5-year estimates.

What time zone is ZIP code 80303 in?

80303 is in Mountain Time (UTC−7). It observes daylight saving time.

What other ZIP codes does Boulder have?

Boulder, CO also uses 80301, 80302, 80304, 80305, 80306, 80307, 80308, 80309, 80310 and 80314.