ZIP code · Ontario · California · United States
ZIP code 91764 — Ontario
ZIP code 91764 serves Ontario, California.
- Postal code
- 91764Single source Value from one source, not cross-checked.
- City
- Ontario
- County
- San Bernardino FIPS 06071
- State
- California
- Country
- United States
- Coordinates
- 34.0763, -117.6254 — precision precise (locality)
View on OpenStreetMap - Population
- 55,412 (ZCTA, ACS 5-year)
- Population density
- 7,008 / sq mi
- Land area
- 7.9 sq mi (20.5 km²) (ZCTA, ACS 5-year)
- Median household income
- $75,605
- Per-capita income
- $27,443
- Median age
- 31.9
- Households
- 16,595
- Housing units
- 17,350
- Median home value
- $524,100
- Median gross rent
- $2,039 / month
- Congressional district
- CA-35 (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 91764 with another ZIP · ZIPs within 25 miles · distance from 91764
Map of ZIP code 91764
Climate — monthly normals
Warmest month Aug (avg high 95°F), coldest Dec (avg low 44°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 68 | 68 | 72 | 76 | 80 | 86 | 94 | 95 | 91 | 83 | 75 | 67 |
| Avg low °F | 45 | 46 | 49 | 51 | 56 | 60 | 65 | 65 | 64 | 57 | 49 | 44 |
| Precip in | 2.6 | 3.1 | 1.6 | 0.8 | 0.3 | 0.0 | 0.1 | 0.0 | 0.1 | 0.4 | 0.8 | 1.9 |
NOAA 1991–2020 climate normals from the nearest station: ONTARIO INTL AP (2.0 mi) · NOAA NCEI
Places in ZIP 91764
- 22 schools
- 1 colleges & universities
- 1 hospitals & clinics
- 2 doctors & dentists
- 1 pharmacies
- 3 supermarkets
- 81 restaurants & cafés
- 3 bars & pubs
- 11 parks
- 9 playgrounds
- 3 gyms & sports centres
- 2 libraries
- 22 places of worship
- 7 banks
- 21 gas stations
- 11 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