Ontario, California Population 2024

184,705

Ontario Demographics

According to the most recent ACS, the racial composition of Ontario was:

  • White: 35.09%
  • Other race: 28%
  • Two or more races: 21.86%
  • Asian: 7.53%
  • Black or African American: 5.58%
  • Native American: 1.65%
  • Native Hawaiian or Pacific Islander: 0.28%
Land Area (mi²)
50.0 sq mi
Density (mi²)
3,695.30/sq mi
Growth Since 2020
5.12% (8,993)
The current population of Ontario, California is 184,705 based on our projections of the latest US Census estimates (released May 2024). The last official US Census in 2020 recorded the population at 175,712.

Population by Race

Race
Population
Percentage (of total)
White61,88135.09%
Other race49,37828%
Two or more races38,55221.86%
Asian13,2767.53%
Black or African American9,8425.58%
Native American2,9071.65%
Native Hawaiian or Pacific Islander4900.28%

White

Other race

Two or more races

Asian

Black or African American

Native American

Native Hawaiian or Pacific Islander

Ontario Population by Race

Ontario Population Pyramid 2024

Ontario Median Age

32.6

Total

32.1

Male

33.2

Female

Ontario Adults

There are 132,436 adults, (17,568 of whom are seniors) in Ontario.

Ontario Age Dependency

53.5

Age Dependency Ratio

15.3

Old Age Dependency Ratio

38.2

Child Dependency Ratio

Ontario Sex Ratio

Female89,23150.61%
Male87,09549.39%

Ontario Population by Age

Ontario Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All51,7603.3955.744.3
Married25,3984.1166.833.2
Non Family11,8721.448.951.1
Female9,4663.8240.259.8
Male5,0243.6144.555.5

3.83

Average Family Size

3.39

Average Household Size

55.7%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Ontario Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade12,81911.36%
Associates Degree9,7558.65%
Bachelors Degree15,91514.11%
Graduate Degree5,7805.12%
High School Graduate29,78826.41%
Less Than 9th Grade14,06612.47%
Some College24,67621.88%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Ontario Educational Attainment by Sex (over 25)

Ontario Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
Hispanic74,10150,5259,141
Other Race29,28819,6563,182
2+ Races23,02616,6293,373
White19,28417,6815,226
Asian9,8998,8094,951
Black6,4175,8981,554
Native American2,1681,706250
Islander34733089

The highest rate of high school graduation is among islander people with a rate of 95.1%.

The highest rate of bachelors degrees is among asian people with a rate of 50.02%.

Ontario Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$57,062$69,317$50,602
Graduate Degree$80,483$90,248$77,332
High School Graduate$40,576$43,862$34,152
Less Than 9th Grade$31,804$36,171$23,315
Overall$43,466$48,812$37,564
Some College$45,970$55,207$39,357

$43,466

Average Earnings

$48,812

Average Male

$37,564

Average Female

Ontario Earnings by Educational Attainment

Ontario Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Ontario Language

45.17% of Ontario residents speak only English, while 54.83% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 48.05% of the population.

Ontario Language

Ontario Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
Hispanic123,07817,35514.1%
Other49,0877,62615.54%
Multiple38,3285,24613.69%
White24,1821,7947.42%
Black9,6441,75418.19%
Asian13,2591,2429.37%
Native2,9071976.78%
Islander490234.69%

12.91%

Overall Poverty Rate

11.48%

Male Poverty Rate

14.31%

Female Poverty Rate

Poverty in Ontario

The race most likely to be in poverty in Ontario is Black, with 18.19% below the poverty level.

The race least likely to be in poverty in Ontario is Islander, with 4.69% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.34%. Among those working part-time, it was 13.77%, and for those that did not work, the poverty rate was 20.43%.

Ontario Poverty

rate

Rate
Poverty
Less Than 9th Grade17.31%
High School11%
Some College9.11%
Bachelors or Greater5.53%

Ontario Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed25.67%
Male Unemployed23.26%
Female Employed6.86%
Male Employed5.23%

Ontario Poverty Rate by Employment Status and Sex

Ontario Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$83,022$99,544
Households$78,070$96,281
Married Families$98,154$115,126
Non Families$56,998$72,186

mean

median

Income by Household Type

Ontario Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

43.3%

Overall Marriage Rate

44.2%

Male Marriage Rate

42.4%

Female Marriage Rate

Ontario Married by Age and Sex

male

female

Ontario Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 45-54.

Ontario Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Ontario Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

3,869

Number of Veterans

3,490

Male Veterans

379

Female Veterans

War
Veterans
Vietnam1,460
Second Gulf War995
First Gulf War785
Korea198
World War II27

Ontario Veterans by War

count

Age Group
Veterans
35 to 54984
55 to 64807
65 to 74803
75+783
18 to 34492

Ontario Veterans by Age

count

Name
Veterans
% of Total
White1,8443.83%
Hispanic1,8222.05%
2+ Races6632.47%
Other Race5911.65%
Black4345.58%
Asian3062.8%
Native American311.28%

Ontario Veterans by Race

Ontario Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

5.07%

Veteran Poverty Rate

24.48%

Veteran Disability Rate

Ontario Veterans by Education

LaborForceParticipation

66.6%

Labor Force Participation

62.7%

Employment Rate

5.8%

Unemployment Rate

Ontario Employment by Age

LaborForceParticipation

Ontario Employment by Race

LaborForceParticipation

Ontario Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

63.85%

Born in Ontario

72.21%

Native Born

27.79%

Foreign Born

14.42%

Non Citizen

13.37%

Naturalized

Place of Birth

72.21% of Ontario residents were born in the United States, with 63.85% having been born in California. 14.42% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Ontario Place of Birth

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
2029195,9472,2491.16%
2028193,6982,2481.17%
2027191,4502,2481.19%
2026189,2022,2491.2%
2025186,9532,2481.22%
2024184,7052,2481.23%
2023182,4571,9571.08%
2022180,5002,2281.25%
2021178,2722,5601.46%
2020175,712-5,924-3.26%
2019181,6363,0011.68%
2018178,6353,2621.86%
2017175,3733,2331.88%
2016172,1402,5801.52%
2015169,5601,3090.78%
2014168,2519840.59%
2013167,2675860.35%
2012166,6817820.47%
2011165,8991,5190.92%
2010164,38000%
2000158,00724,82818.64%
1990133,17944,35949.94%
198088,82024,70238.53%
197064,11817,50137.54%
196046,61723,745103.82%
195022,8728,67561.1%
194014,1976144.52%
193013,5836,30386.58%
19207,2803,00670.33%
19104,2743,552491.97%
1900722395.71%
1890683-195,264-99.65%

Ontario Population by Year