ZIP code · Walnut Creek · California · United States
ZIP code 94595 — Walnut Creek
ZIP code 94595 serves Walnut Creek, California.
- Postal code
- 94595Single source Value from one source, not cross-checked.
- City
- Walnut Creek
- County
- Contra Costa FIPS 06013
- State
- California
- Country
- United States
- Coordinates
- 37.8753, -122.0703 — precision precise (locality)
View on OpenStreetMap - Population
- 17,051 (ZCTA, ACS 5-year)
- Population density
- 3,266 / sq mi
- Land area
- 5.2 sq mi (13.5 km²) (ZCTA, ACS 5-year)
- Median household income
- $98,108
- Per-capita income
- $85,691
- Median age
- 68.8
- Households
- 9,341
- Housing units
- 9,835
- Median home value
- $816,600
- Median gross rent
- $2,677 / month
- Congressional district
- CA-10 (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 code
- 925Telephone 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 94595 with another ZIP · ZIPs within 25 miles · distance from 94595
Map of ZIP code 94595
Climate — monthly normals
Warmest month Jul (avg high 88°F), coldest Dec (avg low 41°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 58 | 63 | 68 | 72 | 78 | 85 | 88 | 88 | 86 | 78 | 67 | 59 |
| Avg low °F | 42 | 44 | 47 | 49 | 53 | 57 | 58 | 59 | 58 | 53 | 46 | 41 |
| Precip in | 3.5 | 3.6 | 2.6 | 1.2 | 0.6 | 0.1 | 0.0 | 0.0 | 0.1 | 0.7 | 1.9 | 3.5 |
NOAA 1991–2020 climate normals from the nearest station: CONCORD WWTP (7.5 mi) · NOAA NCEI
Places in ZIP 94595
- 2 schools
- 1 doctors & dentists
- 1 supermarkets
- 6 restaurants & cafés
- 4 parks
- 1 playgrounds
- 2 gyms & sports centres
- 1 post offices
- 1 places of worship
- 2 gas stations
- 2 EV charging 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