ZIP code · Los Alamos · California · United States
ZIP code 93440 — Los Alamos
ZIP code 93440 serves Los Alamos, California.
- Postal code
- 93440Single source Value from one source, not cross-checked.
- City
- Los Alamos
- County
- Santa Barbara FIPS 06083
- State
- California
- Country
- United States
- Coordinates
- 34.7457, -120.2049 — precision precise (locality)
View on OpenStreetMap - Population
- 896 (ZCTA, ACS 5-year)
- Population density
- 20 / sq mi
- Land area
- 44.1 sq mi (114.2 km²) (ZCTA, ACS 5-year)
- Median household income
- $53,673
- Per-capita income
- $43,680
- Median age
- 71
- Households
- 491
- Housing units
- 674
- Median home value
- $672,100
- Congressional district
- CA-24 (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)
Tools: compare 93440 with another ZIP · ZIPs within 25 miles · distance from 93440
Map of ZIP code 93440
Climate — monthly normals
Warmest month Sep (avg high 75°F), coldest Dec (avg low 42°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 65 | 65 | 67 | 68 | 69 | 71 | 73 | 73 | 75 | 74 | 70 | 63 |
| Avg low °F | 43 | 44 | 46 | 47 | 51 | 53 | 56 | 56 | 55 | 51 | 46 | 42 |
| Precip in | 3.3 | 3.7 | 2.8 | 0.9 | 0.3 | 0.1 | 0.0 | 0.0 | 0.1 | 0.7 | 1.2 | 2.4 |
NOAA 1991–2020 climate normals from the nearest station: LOMPOC (15.3 mi) · NOAA NCEI
Places in ZIP 93440
- 2 schools
- 5 restaurants & cafés
- 1 bars & pubs
- 5 parks
- 1 playgrounds
- 1 post offices
- 2 gas stations
- 2 EV charging 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