PlainZIP

Ontario, CA

Single-footprint Census roll-up for Ontario, CA: 3 USPS ZIPs, population 166,856. Open the primary ZIP for household income, housing tenure, and commute from ACS 2023 5-Year Estimates.

U.S. Census Bureau, SimpleMaps US ZIP Code Database, delivery-area ZIP coverage

ACS city ledger plate

Sheet ONTARIO-CA · Ontario, CA 3 ZIPs · 166,856 pop · #6696/25278 · San Bernardino County

INC-HIGH · RANK-UPPER · ABOVE-PEER · BOOK-FEW · OWN-LOW · POP-MID · SPREAD-TIGHT · HOME-HIGH

  • INC-HIGH $88,730
  • RANK-UPPER #6696/25278
  • ABOVE-PEER over Hesperia
  • BOOK-FEW 3 ZIPs
  • OWN-LOW 58% owners
  • POP-MID 166,856
  • SPREAD-TIGHT 91764→91761
  • HOME-HIGH $602,267

Nearest income peer: Hesperia, CA ( $4,952 income $)

Instrument codes from this city’s ACS household income, national rank, county-peer gap, ZIP book, owner tenure, population scale, intra-city income spread, and home-value band, not a moving recommendation.

Income neighbourhood around Ontario

Lowest/highest poles plus county-sharing cities nearest Ontario on average ZIP median household income. Full ladder: /cities.

median HH income

What this shows County-sharing peers only, not the full US city board. Open a near peer when the gap is small; open the poles when the mosaic is wide.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2026-08-25

National city placement

According to ACS 5-Year Estimates, Ontario, CA sits among US cities with an above-median household income, on a mid-size population base, across a handful of delivery areas.

Top 26%
household income vs 25,278 US cities
166,856
city population (Census)
3
USPS ZIP codes covered
$88,730
avg ZIP median income

Income percentile ranks this city's average ZIP median household income against 25,278 US cities with ACS income on at least one ZIP. Scale and ZIP-spread words come from Census population and USPS ZIP coverage.

Above-median income on a short ZIP list (3) - lead code 91761 (56,913 residents). Household income $88,730 is the roll-up; open the ZIP for tenure and commute.

Owner-occupancy is comparatively low (57.5%) for this income tier, rent $2,039 may matter more than the home-value average.

Within California, West Sacramento is the closest lower-income city and Seiad Valley the closest higher-income city by average ZIP household income. Their 2 and 1 ZIP footprints are the immediate statewide comparison set for Ontario.

Within-city ZIP comparison

Where the ZIP codes inside Ontario differ

The published income range is comparatively compact across the ZIPs in Ontario: $81,762 in ZIP 91764 to $100,578 in 91761. The city average is therefore a more representative summary here, though each ZIP page still carries its own housing and demographic record.

Income high-to-low ratio
1.2×

91764 to 91761

Home-value high-to-low ratio
1.1×

91764 to 91761

Poverty-rate spread
7.7 points

91761 to 91764

Derived from the published ACS 2023 ZIP-level records shown on this site. A high-to-low ratio compares the highest and lowest available ZIP values; it is not a score or forecast.

Population concentration

Ontario residents split across a short ZIP set

No ZIP owns Ontario: the largest, 91761, is only about 34% of 166,856 residents across 3 codes. Compare at least two ZIPs before treating the city roll-up as a neighborhood answer.

Census ZBP business roll-up

Employer-heavy short list in Ontario

Citywide ZBP: 5,484 establishments, 123,244 employees , annual payroll $7,096,692k (~33 establishments per 1,000 residents) across 3 of 3 ZIPs. Peak business ZIP 91761 (2,910 units) ; leading NAICS Wholesale trade (879) · also Transportation and warehousing · Retail trade .

View your shortlist →

ZIP Codes in Ontario, CA

These ZIP codes sit in San Bernardino County, which covers 89 ZIP codes in all; 3 of them fall in Ontario. See the San Bernardino County roll-up →

Ontario lands mid-pack among the 12 cities sharing San Bernardino County: Fontana, Rancho Cucamonga and Rialto earn more and San Bernardino, Victorville and Hesperia earn less. Chino Hills marks the far end of that range at $126,350, 42% above Ontario.

Side-by-side: Compare 91761 vs 91762 →

ZIP Code Population Median income Establishments Density
91761 56,913 $100,578 2,910 754
91762 55,857 $83,850 1,207 1,580
91764 54,086 $81,762 1,367 2,601
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Ontario roll-ups here are for informational purposes only and do not constitute financial or relocation advice. ACS and Census ZBP figures are estimates; confirm the current table against Census before a money or move decision involving Ontario, .