Ontario, CA ZIP Codes
3 ZIP codes serve Ontario, California: 91762, 91761 and 91764. Together they are home to 183,440 residents in 54,544 households. Median household income ranges from $81,762 in 91764 to $100,578 in 91761.
Ontario city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 180,547 |
| Households | 53,770 |
| Median household income | $88,941 |
| Median home value | $607,600 |
| Median age | 33.5 |
| Median rent | $2,030 |
All 3 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 183,440 |
| Households (sum of ZIP codes) | 54,544 |
| Median household income, range across ZIP codes | $81,762 (91764) to $100,578 (91761) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $88,869 |
| Homeowners | 57.9% |
| Households with kids under 18 | 41.7% |
| Moved in the past year | 7.4% |
| Carrier routes in EDDM2GO's route library | 108 routes, 60,575 homes (3 of 3 ZIP codes) |
Top facts
- Highest median household income in Ontario: 91761 ($100,578)
- Most residents: 91762 (64,235 people)
- Highest homeownership: 91761 (69.3% own their home)
- Most households with kids: 91764 (44.3% of households)
- Most new movers: 91764 (9.2% moved in last year)
- Youngest median age: 91764 (31.8 years)
- Highest median home value: 91761 ($635,000)
Every ZIP code in Ontario
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 91762 | Ontario | 64,235 | 19,480 | $83,850 | $606,000 | 58.1% | 41.1% | 6.8% | 36 | 22,822 | 95% of its land; mailing city |
| 91761 | Ontario | 62,935 | 18,440 | $100,578 | $635,000 | 69.3% | 40.0% | 6.5% | 43 | 25,036 | 100% of its land; mailing city |
| 91764 | Ontario | 56,270 | 16,624 | $81,762 | $565,800 | 45.1% | 44.3% | 9.2% | 29 | 19,582 | 100% of its land; mailing city |
A ZIP code is listed for Ontario when at least 10% of its land lies inside Ontario city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Ontario. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Ontario.
Counties
- San Bernardino County — 95 ZIP codes
Price a mailing to Ontario ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Ontario, CA?
- 91762, 91761 and 91764. A ZIP code is listed for Ontario when at least 10% of its land lies inside Ontario city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Ontario.
- What is the population of Ontario, CA?
- The Census Bureau counts 180,547 residents inside Ontario city limits (ACS 2020–2024). The 3 ZIP codes that serve Ontario hold 183,440 residents in all.
- What is the median household income in Ontario, CA?
- $88,941 inside Ontario city limits, per the Census Bureau. Across its ZIP codes the medians run from $81,762 to $100,578.
- Which Ontario ZIP code has the highest median household income?
- 91761, at $100,578, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Ontario, CA?
- For the 3 of 3 ZIP codes in EDDM2GO's stored route library: 108 carrier routes reaching 60,575 residential and 6,865 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.