Ontario demographics profile

StatisticOntarioCaliforniaNational
Population169,38938,654,206318,558,162
Population density (sq mi)3,39223291
Median age31.936.037.7
Male/Female ratio1.0:11.0:11.0:1
Married (15yrs & older)50%52%55%
Families w/ Kids under 1851%46%43%
Speak English41%56%79%
Speak Spanish53%29%13%
Ontario, CA has a population of 169,389 and is the 150th largest city in the United States. The population density is 3,392 per sq mi which is 1360% higher than the California average and 3644% higher than the national average. The median age in Ontario is 32 which is approximately 11% lower than the California average of 36. In Ontario, 50% of the population over 15 years of age are married, 41% speak English and 53% speak Spanish. 61% of Ontario residents were born in California, 9% were born out of state, 1% were born outside of the United States and 29% were foreign born.
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Did you know?

  • The population density in Ontario is 1360% higher than California.
  • The median age in Ontario is 11% lower than California.
  • In Ontario 48.11% of the population is White.
  • In Ontario 6.15% of the population is Black or African American.
  • In Ontario 5.61% of the population is Asian.

Compare Ontario, CA Demographics To Other Cities

Ontario population breakdown by race

RaceOntarioCaliforniaNational
White48.11%61.26%73.35%
Black or African American6.15%5.85%12.63%
Asian5.61%13.85%5.22%
American Indian0.72%0.74%0.82%
Native Hawaiian0.35%0.39%0.18%
Mixed race4.31%4.62%3.06%
Other race34.74%13.28%4.75%
In Ontario, 70.6% of people are of Hispanic or Latino origin.
Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

Languages spoken

Place of birth by citizenship

Household income distribution

Source of income

Ontario age breakdown

Marital status

Age of children in married couples

Source: The Ontario, CA demographics data displayed above is derived from the 2016 United States Census Bureau American Community Survey (ACS).
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