ZIP code · Mount Baldy · California · United States
ZIP code 91759 — Mount Baldy
ZIP code 91759 serves Mount Baldy, California.
- Postal code
- 91759Single source Value from one source, not cross-checked.
- City
- Mount Baldy
- County
- Los Angeles FIPS 06037
- State
- California
- Country
- United States
- Coordinates
- 34.2361, -117.6601 — precision estimated (postal-area centroid)
View on OpenStreetMap - Population
- 290 (ZCTA, ACS 5-year)
- Population density
- 4 / sq mi
- Land area
- 82.5 sq mi (213.8 km²) (ZCTA, ACS 5-year)
- Median household income
- $118,750
- Per-capita income
- $61,881
- Median age
- 61.1
- Households
- 162
- Housing units
- 358
- Median home value
- $339,700
- Congressional district
- CA-28 (119th Congress)
- USDA hardiness zone
- 8a (10 to 15 °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 91759 with another ZIP · ZIPs within 25 miles · distance from 91759
Map of ZIP code 91759
Climate — monthly normals
Warmest month Jul (avg high 83°F), coldest Dec (avg low 25°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 48 | 48 | 54 | 60 | 69 | 78 | 83 | 82 | 75 | 64 | 55 | 48 |
| Avg low °F | 26 | 25 | 29 | 32 | 39 | 44 | 53 | 51 | 46 | 37 | 29 | 25 |
| Precip in | 4.4 | 4.9 | 1.9 | 0.8 | 0.8 | 0.1 | 1.1 | 0.3 | 0.4 | 1.2 | 1.1 | 4.1 |
NOAA 1991–2020 climate normals from the nearest station: WRIGHTWOOD (8.8 mi) · NOAA NCEI
Places in ZIP 91759
- 1 schools
- 4 restaurants & cafés
- 1 post offices
- 1 places of worship
- 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