ZIP code · Concord · California · United States
ZIP code 94521 — Concord
ZIP code 94521 serves Concord, California.
- Postal code
- 94521Single source Value from one source, not cross-checked.
- City
- Concord
- County
- Contra Costa FIPS 06013
- State
- California
- Country
- United States
- Coordinates
- 37.9575, -121.9750 — precision precise (locality)
View on OpenStreetMap - Population
- 41,118 (ZCTA, ACS 5-year)
- Population density
- 4,246 / sq mi
- Land area
- 9.7 sq mi (25.1 km²) (ZCTA, ACS 5-year)
- Median household income
- $127,312
- Per-capita income
- $57,982
- Median age
- 43
- Households
- 15,607
- Housing units
- 16,083
- Median home value
- $823,100
- Median gross rent
- $2,388 / 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 94521 with another ZIP · ZIPs within 25 miles · distance from 94521
Map of ZIP code 94521
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 | 62 | 67 | 71 | 78 | 84 | 88 | 88 | 85 | 78 | 66 | 58 |
| Avg low °F | 41 | 44 | 47 | 49 | 53 | 57 | 59 | 59 | 58 | 53 | 45 | 41 |
| Precip in | 3.2 | 3.2 | 2.3 | 1.1 | 0.5 | 0.2 | 0.0 | 0.0 | 0.1 | 0.7 | 1.6 | 3.2 |
NOAA 1991–2020 climate normals from the nearest station: CONCORD BUCHANAN FLD (5.0 mi) · NOAA NCEI
Places in ZIP 94521
- 15 schools
- 2 doctors & dentists
- 1 pharmacies
- 3 supermarkets
- 37 restaurants & cafés
- 15 parks
- 16 playgrounds
- 5 gyms & sports centres
- 2 libraries
- 2 post offices
- 5 places of worship
- 4 banks
- 6 gas stations
- 3 EV charging stations
- 2 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