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ZIP code 94503: American Canyon, CA

94503 is a ZIP code in American Canyon, California, mainly in Napa County, part of the Napa, CA metro area. About 21,841 people live here.

Population
21,841
Median household income
$121,088
Typical home value
$727,900-0.7% in 12 months
Median rent
$2,524gross, per month
Median age
37
Homeowners
74.3%of occupied homes
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Shaded: ZIP code 94503's area. Click anywhere on the map to see which ZIP code it's in.

ZIP codes within 10 milesWithin 25 miles

ZIP code 94503 details

CityAmerican Canyon
StateCalifornia
CountyNapa County (also partly Solano County)
Metro areaNapa, CA
Time zonePacific Time (UTC−8), observes daylight saving time
TypeStandard (delivery area)
Land area27 sq mi, plus 1.6 sq mi of water
Population density808 people per sq mi
Bachelor's degree or higher32.4% of adults 25+
Average commute29.7 minutes
Center coordinates38.18794, -122.22364

Median rent in 94503 by bedrooms

SizeMedian gross rent
1 bedroom$2,391/mo
2 bedrooms$2,526/mo
3 bedrooms$2,275/mo
4 bedrooms$2,778/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 94503

ZIP codeCityDistancePopulation
94589Vallejo, CA3.4 mi29,990
94591Vallejo, CA4.4 mi58,193
94559Napa, CA5.9 mi27,714
94590Vallejo, CA6.5 mi37,128
94534Fairfield, CA6.8 mi41,203
94592Vallejo, CA7.5 mi1,049
94510Benicia, CA7.7 mi26,749
94581Napa, CA8.3 mi—

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 94503?

A typical home in ZIP code 94503 is worth about $727,900 (Zillow Home Value Index). The median household here earns $121,088 a year. See what buying here would cost per month, with California average taxes and insurance filled in.

Monthly payment for a $727,900 homeWhat can a $121,088 income afford?Rental property numbers

About ZIP code 94503

What city is ZIP code 94503?

ZIP code 94503 is in American Canyon, CA, in Napa County.

What county is ZIP code 94503 in?

94503 is mainly in Napa County, California, and partly in Solano County.

What is the population of ZIP code 94503?

About 21,841 people live in ZIP code 94503, according to the American Community Survey 2020–2024 5-year estimates.

What time zone is ZIP code 94503 in?

94503 is in Pacific Time (UTC−8). It observes daylight saving time.