Residential delivery area · California
ZIP Code 91764: Ontario, CA
ZIP code 91764 is in Ontario, California, entirely in San Bernardino County (Census 2020 ZIP-county file). About 56,000 people live there (Census Bureau, ACS 2020-2024), the least populous of Ontario's 3 residential ZIP codes. Median household income is $81,762 (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Ontario · 3 residential ZIPs
- County
- San Bernardino County
- Census places
- Ontario
- Metro area
- Riverside-San Bernardino-Ontario, CA
- House district
- CA-35 119th Congress
- State
- California
- Time zone
- Pacific
- Land area
- 7.9 sq mi · 7,116 people per sq mi
- PO Box ZIPs
- 91758 also use the name Ontario
Where is ZIP code 91764?
91764 centers on 34.074°, -117.606° and covers 7.9 square miles of land plus 0.0 of water. It borders 7 ZIP codes: 91730, 91761, 91762, 91786, 91739, 92337, 92335.
The map draws ZIP code areas only. For the streets inside 91764, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 91764 compare with the rest of Ontario?
| Measure | 91764 | In Ontario | In San Bernardino County | In CA |
|---|---|---|---|---|
| People (ACS 2020-2024) | 56,270 | 3rd of 3 | 16th of 98 | 156th of 1,802 |
| Median household income | $82k | 3rd of 3 | 31st of 62 | 814th of 1,189 |
| Median home value | $566k | 3rd of 3 | 21st of 65 | 875th of 1,317 |
Its median household income is higher than in 64% of U.S. residential ZIP codes, and it is denser than 96% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 91764?
The 2020 Census counted 55,322 people in 91764; the ACS, which samples households over 2020-2024, estimates 56,270. Between the 2010 and 2020 censuses its population grew 2.3% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 56,270
- 2020 Census count
- 55,322+2.3% since 2010 (54,086)
- Households
- 16,624
- Median age
- 31.8
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 91764?
Of the 56,270 people the ACS estimates in 91764, 24.7% are under 18 and 8.6% are 65 or older. The largest group by race and Hispanic origin is Hispanic or Latino (71.9%), then White (not Hispanic) (10.2%).
- Under 1824.7%
- 18 to 6466.7%
- 65 and older8.6%
- Hispanic or Latino71.9%
- White, not Hispanic10.2%
- Asian, not Hispanic7.3%
- Black, not Hispanic6.7%
- Other or two or more3.9%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 91764 earn?
Median household income is $81,762 (ACS 2020-2024), the 31st highest of the 62 ranked ZIP codes in San Bernardino County. It rose from $75,461 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $81,762
- Income per person
- $28,059
- Below the poverty line
- 16.7%
- Unemployed (of the labor force)
- 6.4%
- Adults 25+ with a bachelor's degree
- 19.3%
- Adjusted gross income per tax return, 2022
- $52,99425,340 returns; wages 86% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 91764?
FHFA's house price index for 91764, built from repeat sales and appraisals of the same homes, rose 108% from 2015 to 2025 and rose 54% from 2020 to 2025, and moved +3.0% in 2025.
- Median home value (owners' estimate)
- $565,800
- Median gross rent
- $2,181
- Homes owned by their occupants
- 45.1%
- Housing units
- 17,498
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 91764?
1,367 business establishments had a location in this ZIP code in 2023, 224 more than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade269
- Accommodation and food services170
- Professional, scientific, and technical services138
- Finance and insurance115
- Health care and social assistance106
- Real estate and rental and leasing98
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 91764?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 91730 | Rancho Cucamonga | 71,613 | $92k | 2.3 mi |
| 91761 | Ontario | 62,935 | $101k | 2.8 mi |
| 91762 | Ontario | 64,235 | $84k | 3.8 mi |
| 91786 | Upland | 55,829 | $93k | 3.9 mi |
| 91739 | Rancho Cucamonga | 41,673 | $143k | 7.6 mi |
| 92337 | Fontana | 36,026 | $108k | 7.9 mi |
| 92335 | Fontana | 97,511 | $78k | 8.1 mi |
| 91701 | Rancho Cucamonga | 39,287 | $114k | 4.4 mi (near) |
| 91763 | Montclair | 37,700 | $79k | 5.3 mi (near) |
| 91784 | Upland | 26,886 | $154k | 5.4 mi (near) |
| 91737 | Rancho Cucamonga | 22,958 | $122k | 5.8 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.