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Ontario Population 2024

Ontario is a city in California State of United States, located 35 miles east of downtown Los Angeles and 23 miles west of downtown San Bernardino. Ontario population in 2024 is estimated to be 182,465, covers city area of 50 sq mi (129.50 sq km), ranks twenty-seventh largest in State and one-hundred-forty-ninth city in the United States. Ontario is the part of the Greater Los Angeles Area lies in the southwestern San Bernardino County, just east of Los Angeles County.

Below is the Ontario population by year:

YearPopulationChange %
2010164,369
2011165,7590.85
2012166,6650.55
2013167,1660.30
2014168,1990.62
2015170,3321.27
2016172,7091.40
2017175,4821.61
2018181,1073.21
2019185,0102.16
2020175,265-5.27
2021 *177,9611.538
2022 *180,5721.49
2023 *182,2550.96
2024 *182,4650.12
Source : Annual Estimates of the Resident Population: April 1, 2010 to July 1, 2019, 2020 US Census & 2021 estimates updated


Ontario Population by Age

According to 2019 US population estimates, Total Ontario population is 184,999, out of these 90,016 are male, 94,983 are female, The sex ratio of Ontario is 95. The median age of the Ontario population is 32.1, Ontario population by age are, under 18 years is 49,419, 16 years and over is 140,404, 18 years and over is 135,580, 21 years and over is 128,868, 65 years and over is 21,918. 48.7% are male, 51.3% are female, Population of Ontario by age percent-wise is, 26.7% are under 18 years old, 75.9% are 16 years and over, 73.3% are 18 years and over, 69.7% are 21 years and over, 8.8% are 65 years and over. There are total 52,886 housing units, The voting population of Ontario are 108,478, out of these 53,030 are male voters, 55,448 are female voters, 48.9% are male, 51.1% are female. Ontario population in 2023 is estimated to be 181,554, population in 2022 is estimated to be 180,572, and in 2021 is estimated to be 177,961.

Age GroupPopulationPercent
0 -513,8077.5%
5 - 913,3957.2%
10 - 1414,6997.9%
15 - 1911,9336.5%
20 - 2412,7976.9%
25 - 3436,10519.5%
35 - 4423,62412.8%
45 - 5421,93111.9%
55 - 5910,1165.5%
60 - 6410,2415.5%
65 - 749,4505.1%
75 - 845,6853.1%
85 and over1,2160.7%
Source: 2019 US population by age estimates


Ontario Population by Race

According to 2019 population of Ontario by race are:

White Population

White population in Ontario, California are 114,932, percentage wise 62.1 percent are whites.

Black Population

Black population in Ontario, California are 8,225, percentage wise 4.4 percent are blacks. African American refers to black population in Ontario, They are Black racial groups of Africa, includes Sub-Saharan African people, Kenyan, Nigerian, Caribbean such as Haitian and Jamaican.

Asian Population

Asian population in Ontario are 12,600, percentage wise 6.8 percent are asians, out of these 599 are Asian Indians, 5,422 are Chinese, 2,664 are Filipinos, 265 are Japanese, 808 are Korean, 1,516 are Vietnamese and 1,326 are other Asian nationals.

Hispanic Population

Hispanic population in Ontario, California are 132,110. Percentage wise 71.4 percent are hispanics, out of these 114,053 are Mexican people, 1,793 are Puerto Ricans, 813 are Cubans, and 15,451 are other Hispanic or Latinos.

Population by Race184,999Percent
White114,93262.1%
Black or African American8,2254.4%
American Indian and Alaska Native1,0100.5%
Asian Population12,6006.8%
Asian Indian5990.3%
Chinese5,4222.9%
Filipino2,6641.4%
Japanese2650.1%
Other Asian Population1,326
Native Hawaiian and Other Pacific Islander1,2780.7%
Hispanic or Latino132,11071.4%
Mexican114,05361.7%
Puerto Rican1,7931.0%
Cuban8130.4%
Other Hispanic or Latino15,451
Source: US Census population estimates(2019)


Nativity by Place of Birth

According to 2019 estimates, Ontario native population is 129,401, out of these 114,050 born in the California state and 12,652 born in other state in the United States. Foreign born or Population born outside the US are 55,598, out of these 26,409 are Naturalized US citizen, 782 are in Europe, 5,381 in Asia, 530 in Africa, 19,675 in Latin America and 41 in Northern America. Non-US Citizens, Total Foreigners living in Ontario are 29,189, out of these 137 are from Europe, 3,902 are from Asia, 77 from Africa, 25,023 are from Latin America and 50 are from Northern America.

Nativity by Place of BirthPopulation
Native129,401
Born in state of residence114,050
Born in other state in the United States12,652
Northeast1,127
Midwest3,808
South4,560
West3,157
Born outside the United States2,699
Puerto Rico965
U.S. Island Areas8
Born abroad of American parent(s)1,726
Foreign born
Born outside of United States55,598
Naturalized U.S. citizen26,409
Europe782
Asia5,381
Africa530
Oceania0
Latin America19,675
Northern America41
Foreigner
Not a U.S. citizen29,189
Europe137
Asia3,902
Africa77
Oceania0
Latin America25,023
Northern America50
Source: US Census 2019 estimates

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