CITY · 1990 CENSUS
Ontario
California · 133,179 residents · 49.984 sq mi
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The short version
Ontario is wealthier than most US places, with a median household income of $35,788. Population has fallen 16% since 2000, a loss of 24,828 residents. 11% of adults hold a bachelor's degree or higher, below the national rate of 20%. Median home value is $142,200. At a median age of 27.3, residents skew younger than the country as a whole.
At a glance
Wealthier
above the US median
US median: $30,130
Younger
median age 27.3
US median: 33.0
Less educated
11% hold a bachelor's degree
US average: 20%
Less affordable
home values up 37%, inflation adjusted
US median home: $93,722
Section 01
Population & growth
Population, 1990 – 2024
2024181K
Age distribution, 1990
Under 510.6%(14,138)
5 to 99.7%(12,898)
10 to 148.2%(10,908)
15 to 197.6%(10,059)
20 to 249%(11,920)
25 to 3421.2%(28,204)
35 to 4414.7%(19,521)
45 to 547.7%(10,312)
55 to 645.2%(6,972)
65 to 743.7%(4,976)
75 to 841.9%(2,590)
85 and over0.5%(681)
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy
$35,788
+11%inflation adjusted, since 2000
vs $42,452 in 2000
US average: $30,130
1990 – 2024
Section 03
Housing
$142,200
+37%inflation adjusted, since 2000
vs $136,300 in 2000
US average: $93,722
1990 – 2024
RELATED:See current rent listings in Ontario on RentDataNow
Section 04
Race & ethnicity
2000
White, non-Hispanic26.6%(42,048)
Black7.2%(11,317)
Hispanic / Latino59.9%(94,610)
Asian3.7%(5,914)
Other0%
1990
White, non-Hispanic64.6%(86,095)
Black7.3%(9,786)
Hispanic / Latino41.5%(55,238)
Asian3.9%(5,209)
Other24.1%(32,089)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry
Detailed origin tables are available for 2024; showing 2024 data.
Hispanic origin
Mexican59.6%(107,664)
Central American4.4%(7,914)
Salvadoran2.1%(3,749)
South American1.5%(2,652)
Guatemalan1.3%(2,292)
Honduran0.6%(1,110)
Cuban0.5%(934)
Peruvian0.5%(917)
Puerto Rican0.5%(865)
Colombian0.4%(753)
Spaniard0.3%(617)
Nicaraguan0.3%(526)
+ 7 more hispanic origin groups with data
Ecuadorian0.3%(505)
Argentine0.2%(373)
Costa Rican0.1%(237)
Dominican0.1%(138)
Bolivian0%(66)
Chilean0%(22)
Venezuelan0%(16)
Asian origin
Filipino3.7%(6,618)
Chinese2.9%(5,193)
Vietnamese0.7%(1,224)
Asian Indian0.7%(1,181)
Korean0.4%(782)
Taiwanese0.2%(397)
Japanese0.2%(362)
Pakistani0.2%(284)
Cambodian0.1%(261)
Indonesian0.1%(252)
Nepalese0.1%(186)
Burmese0.1%(173)
+ 5 more asian origin groups with data
Pacific Islander origin
Tongan0.4%(645)
Native Hawaiian0.1%(268)
Samoan0%(71)
Fijian0%(56)
Chamorro0%(49)
Ancestry
German2.9%(5,283)
American2.3%(4,193)
Irish2.3%(4,113)
English2.2%(3,955)
Italian1.3%(2,374)
Subsaharan African0.8%(1,395)
Dutch0.7%(1,230)
French0.5%(915)
Scottish0.4%(790)
Scotch-Irish0.4%(731)
Portuguese0.4%(726)
Arab0.4%(695)
+ 42 more ancestry groups with data
Polish0.4%(676)
Norwegian0.3%(495)
Swedish0.2%(432)
Nigerian0.2%(418)
West Indian0.2%(316)
Egyptian0.2%(282)
Welsh0.2%(271)
Hungarian0.1%(219)
British0.1%(204)
Ghanaian0.1%(194)
Palestinian0.1%(191)
Russian0.1%(176)
French Canadian0.1%(131)
Armenian0.1%(126)
Danish0.1%(123)
Canadian0.1%(120)
Lebanese0.1%(111)
Serbian0.1%(95)
Czech0%(84)
Croatian0%(71)
Jamaican0%(63)
Slovak0%(55)
Brazilian0%(48)
Finnish0%(48)
Greek0%(48)
Austrian0%(42)
Barbadian0%(39)
Turkish0%(30)
Jordanian0%(26)
Romanian0%(24)
Israeli0%(22)
Kenyan0%(21)
Swiss0%(19)
Guyanese0%(18)
Syrian0%(17)
Lithuanian0%(16)
Iranian0%(15)
Cape Verdean0%(11)
Haitian0%(10)
Belgian0%(9)
Ethiopian0%(6)
Ukrainian0%(6)
Section 05
Education
High school or higher
68.5%
+6.0 ptsvs 2000
vs 62.5% in 2000
US average: 75.2%
Section 06
Commute & transportation
Section 07
Work & employment
No data for the years selected.
Section 08
People & community
No data for the years selected.
Marital status (2024)
Men 15+
Never married44%(31,070)
Married47%(33,179)
Widowed2.1%(1,473)
Divorced6.8%(4,820)
Women 15+
Never married40.6%(29,953)
Married46%(33,922)
Widowed5.1%(3,752)
Divorced8.3%(6,102)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
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Frequently asked
How many people live in Ontario, California?
Ontario, California has about 133,179 residents according to the 1990 Census.
What is the median household income in Ontario, California?
The typical household in Ontario, California earns about $35,788 a year. Half of households make more than that, and half make less.
Is Ontario, California expensive?
In Ontario, California, the median home is worth about $142,200, and the typical rent is about $629 a month.
How educated are people in Ontario, California?
About 11.0% of adults age 25 and over in Ontario, California hold a bachelor's degree or higher.
What is the poverty rate in Ontario, California?
About 13.6% of people in Ontario, California live below the federal poverty line.
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CaliforniaDATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024