ZIP code · Vallejo · California · United States

ZIP code 94591 — Vallejo

ZIP code 94591 serves Vallejo, California.

Postal code
94591
Single source Value from one source, not cross-checked.
City
Vallejo
County
Solano FIPS 06095
State
California
Country
United States
Coordinates
38.0985, -122.2124 — precision precise (locality)
View on OpenStreetMap
Population
58,516 (ZCTA, ACS 5-year)
Population density
2,774 / sq mi
Land area
21.1 sq mi (54.6 km²) (ZCTA, ACS 5-year)
Median household income
$107,849
Per-capita income
$45,013
Median age
40.9
Households
19,711
Housing units
20,543
Median home value
$602,200
Median gross rent
$2,218 / month
Congressional districts
CA-8 (also CA-4) (119th Congress)
USDA hardiness zone
9b (25 to 30 °F)
Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
Time zone
America/Los_Angeles (UTC−8 / UTC−7 DST)
Area codes
707, 369
Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.

Climate — monthly normals

Warmest month Sep (avg high 86°F), coldest Jan (avg low 42°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F576368737883858686796658
Avg low °F424546475154565657544742
Precip in4.53.63.21.40.80.20.00.00.11.02.24.5

NOAA 1991–2020 climate normals from the nearest station: VALLEJO (1.4 mi) · NOAA NCEI

Places in ZIP 94591

Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology

About this page

US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.

GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page