ZIP code · Oakland · California · United States
ZIP code 94603 — Oakland
ZIP code 94603 serves Oakland, California.
- Postal code
- 94603Single source Value from one source, not cross-checked.
- City
- Oakland
- County
- Alameda FIPS 06001
- State
- California
- Country
- United States
- Coordinates
- 37.7402, -122.1710 — precision precise (locality)
View on OpenStreetMap - Population
- 36,440 (ZCTA, ACS 5-year)
- Population density
- 13,502 / sq mi
- Land area
- 2.7 sq mi (7 km²) (ZCTA, ACS 5-year)
- Median household income
- $71,086
- Per-capita income
- $26,974
- Median age
- 34.2
- Households
- 10,598
- Housing units
- 11,199
- Median home value
- $596,100
- Median gross rent
- $1,838 / month
- Congressional district
- CA-12 (119th Congress)
- USDA hardiness zone
- 10a (30 to 35 °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 code
- 925 (from the nearest rate centre)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.
Tools: compare 94603 with another ZIP · ZIPs within 25 miles · distance from 94603
Map of ZIP code 94603
Climate — monthly normals
Warmest month Sep (avg high 74°F), coldest Jan (avg low 42°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 58 | 60 | 63 | 66 | 68 | 71 | 72 | 72 | 74 | 72 | 64 | 58 |
| Avg low °F | 42 | 45 | 47 | 49 | 52 | 54 | 56 | 57 | 56 | 51 | 46 | 42 |
| Precip in | 3.4 | 3.5 | 2.7 | 1.4 | 0.6 | 0.2 | 0.0 | 0.0 | 0.1 | 0.9 | 2.0 | 3.8 |
NOAA 1991–2020 climate normals from the nearest station: OAKLAND METRO INTL AP (3.0 mi) · NOAA NCEI
Places in ZIP 94603
- 10 schools
- 2 hospitals & clinics
- 4 supermarkets
- 15 restaurants & cafés
- 1 bars & pubs
- 12 parks
- 15 playgrounds
- 4 gyms & sports centres
- 1 libraries
- 1 post offices
- 20 places of worship
- 5 gas stations
- 1 police & fire stations
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