ZIP code · Montrose · California · United States
ZIP code 91020 — Montrose
ZIP code 91020 serves Montrose, California.
- Postal code
- 91020Single source Value from one source, not cross-checked.
- City
- Montrose
- County
- Los Angeles FIPS 06037
- State
- California
- Country
- United States
- Coordinates
- 34.2114, -118.2305 — precision precise (locality)
View on OpenStreetMap - Population
- 7,265 (ZCTA, ACS 5-year)
- Population density
- 10,116 / sq mi
- Land area
- 0.7 sq mi (1.9 km²) (ZCTA, ACS 5-year)
- Median household income
- $60,899
- Per-capita income
- $44,283
- Median age
- 41.5
- Households
- 3,212
- Housing units
- 3,501
- Median home value
- $880,700
- Median gross rent
- $2,258 / month
- Congressional districts
- CA-28 (also CA-30) (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 91020 with another ZIP · ZIPs within 25 miles · distance from 91020
Map of ZIP code 91020
Climate — monthly normals
Warmest month Aug (avg high 91°F), coldest Dec (avg low 45°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 68 | 69 | 73 | 76 | 78 | 84 | 89 | 91 | 90 | 83 | 75 | 67 |
| Avg low °F | 46 | 46 | 48 | 51 | 54 | 58 | 62 | 63 | 62 | 56 | 50 | 45 |
| Precip in | 4.5 | 5.2 | 3.0 | 1.1 | 0.5 | 0.2 | 0.1 | 0.0 | 0.2 | 0.8 | 1.1 | 3.3 |
NOAA 1991–2020 climate normals from the nearest station: PASADENA (6.6 mi) · NOAA NCEI
Places in ZIP 91020
- 4 schools
- 2 colleges & universities
- 2 doctors & dentists
- 3 pharmacies
- 2 supermarkets
- 33 restaurants & cafés
- 4 bars & pubs
- 1 playgrounds
- 7 gyms & sports centres
- 1 libraries
- 1 post offices
- 6 places of worship
- 3 banks
- 2 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