ZIP code · Winnetka · California · United States
ZIP code 91306 — Winnetka
ZIP code 91306 serves Winnetka, California.
- Postal code
- 91306Single source Value from one source, not cross-checked.
- City
- Winnetka
- County
- Los Angeles FIPS 06037
- State
- California
- Country
- United States
- Coordinates
- 34.2092, -118.5749 — precision precise (locality)
View on OpenStreetMap - Population
- 48,177 (ZCTA, ACS 5-year)
- Population density
- 11,586 / sq mi
- Land area
- 4.2 sq mi (10.8 km²) (ZCTA, ACS 5-year)
- Median household income
- $88,958
- Per-capita income
- $35,594
- Median age
- 38.1
- Households
- 14,697
- Housing units
- 15,176
- Median home value
- $719,900
- Median gross rent
- $1,909 / month
- Congressional district
- CA-32 (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)
Tools: compare 91306 with another ZIP · ZIPs within 25 miles · distance from 91306
Map of ZIP code 91306
Climate — monthly normals
Warmest month Aug (avg high 97°F), coldest Dec (avg low 42°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 70 | 70 | 74 | 78 | 82 | 89 | 95 | 97 | 94 | 85 | 76 | 69 |
| Avg low °F | 43 | 44 | 46 | 48 | 53 | 57 | 61 | 61 | 59 | 53 | 46 | 42 |
| Precip in | 3.7 | 4.6 | 2.7 | 0.8 | 0.4 | 0.1 | 0.0 | 0.0 | 0.1 | 0.6 | 0.8 | 2.7 |
NOAA 1991–2020 climate normals from the nearest station: WOODLAND HILLS PIERCE COLLEGE (1.9 mi) · NOAA NCEI
Places in ZIP 91306
- 11 schools
- 2 hospitals & clinics
- 1 doctors & dentists
- 1 pharmacies
- 2 supermarkets
- 25 restaurants & cafés
- 1 bars & pubs
- 4 parks
- 3 playgrounds
- 1 post offices
- 8 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