| Back to United States. City: Ontario, CA Population (2000): 56,271
Housing units: 15,505 Land area: 28.8 sq. mi. Water area: 0.0 sq. mi. White population: 27058 Black population: 5152 American Indian population: 544 Asian population: 2855 Native Hawaiian and Other Pacific Islander population: 170 Some other race population: 17568 Two or more races population: 2924 Urban population: 55557 Rural population: 714 Median age: 27.5 Average household size: 3.74 Median household income (1999): $49430
 
Nearest zip codes: 91743, 91764, 91762, 91730, 91710, 91786.
Year house built:
- 1999 to March 2000: 325
- 1995 to 1998: 1132
- 1990 to 1994: 1657
- 1980 to 1989: 6035
- 1970 to 1979: 4059
- 1960 to 1969: 748
- 1950 to 1959: 776
- 1940 to 1949: 514
- 1939 or earlier: 274
Bedrooms in owner-occupied houses in Ontario, CA (91761):
- no bedroom: 373
- 1 bedrooms: 711
- 2 bedrooms: 1567
- 3 bedrooms: 3482
- 4 bedrooms: 3321
- 5 or more bedrooms: 558
Bedrooms in renter-occupied apartments and housing units:
- no bedroom: 553
- 1 bedrooms: 1476
- 2 bedrooms: 1513
- 3 bedrooms: 922
- 4 bedrooms: 416
- 5 or more bedrooms: 34
Vehicles available in 91761 zip code in owner-occupied houses:
- no vehicle: 319
- 1 vehicle: 1765
- 2 vehicles: 4523
- 3 vehicles: 2247
- 4 vehicles: 807
- 5 or more vehicles: 351
Vehicles available in renter-occupied housing units:
- no vehicle: 605
- 1 vehicle: 2128
- 2 vehicles: 1552
- 3 vehicles: 489
- 4 vehicles: 106
- 5 or more vehicles: 34
Estimate of home value of owner-occupied houses in 2000 in zip code 91761:
- Less than $10,000: 8
- $10,000 to $14,999: 9
- $15,000 to $19,999: 9
- $20,000 to $24,999: 11
- $25,000 to $29,999: 0
- $30,000 to $34,999: 0
- $35,000 to $39,999: 9
- $40,000 to $49,999: 24
- $50,000 to $59,999: 43
- $60,000 to $69,999: 46
- $70,000 to $79,999: 105
- $80,000 to $89,999: 182
- $90,000 to $99,999: 169
- $100,000 to $124,999: 813
- $125,000 to $149,999: 2056
- $150,000 to $174,999: 2230
- $175,000 to $199,999: 1058
- $200,000 to $249,999: 1090
- $250,000 to $299,999: 326
- $300,000 to $399,999: 14
- $400,000 to $499,999: 16
- $500,000 to $749,999: 19
- $750,000 to $999,999: 0
- $1,000,000 or more: 19
First ancestries reported:
- Other groups: 35459
- German: 2037
- English: 1564
- Irish: 1433
- Italian: 1133
- United States or American: 1130
- Dutch: 854
- Scotch-Irish: 393
- Portuguese: 342
- Subsaharan African:: 320
- French (except Basque): 289
- Polish: 264
- Swedish: 239
- West Indian (excluding Hispanic groups):: 223
- Scottish: 223
- Norwegian: 207
- African: 202
- European: 197
- Scandinavian: 190
- Arab:: 164
- Russian: 136
- French Canadian: 135
- Jamaican: 111
- Danish: 91
- British: 89
- Hungarian: 89
- Swiss: 75
- Egyptian: 53
- Welsh: 51
- Belizean: 50
- Other Subsaharan African: 42
- Czech: 40
- Syrian: 39
- Other Arab: 37
- Greek: 36
- Ukrainian: 35
- Arab/Arabic: 35
- Haitian: 32
- Trinidadian and Tobagonian: 30
- Czechoslovakian: 30
- Austrian: 30
- Canadian: 27
- Yugoslavian: 26
- Ghanian: 25
- Iranian: 24
- Croatian: 24
- Nigerian: 20
- Cape Verdean: 16
- Guyanese: 16
- Lithuanian: 16
- Liberian: 15
- Belgian: 13
- Slovak: 11
- Turkish: 9
- Acadian/Cajun: 9
- Finnish: 8
- Slavic: 8
- Slovene: 7
- Serbian: 6
- Romanian: 5
- Eastern European: 5
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