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Below is information on the population, racial profile, house hold count, and sex/age profiles for the city of Ontario. These results are gathered once every 10 years and may not be 100% accurate or up to date.
The population for Ontario, California is approximatly 158007.
Racial profile for Ontario:
| White : | 75575 |
| Black : | 11864 |
| Native American : | 1682 |
| Asian : | 6125 |
| Pacific Islander : | 587 |
| Other : | 53807 |
| * results may not accumulate to total population due to mixed race individuals | |
Population by age for males in Ontario, California :
| 18 - 19 : | 2692 |
| 20 : | 1339 |
| 21 : | 1319 |
| 22 - 24 : | 3891 |
| 25 - 29 : | 6814 |
| 30 - 34 : | 6932 |
| 35 - 39 : | 6580 |
| 40 - 44 : | 5780 |
| 45 - 49 : | 4533 |
| 50 - 54 : | 3688 |
| 55 - 59 : | 2454 |
| 60 - 61 : | 738 |
| 62 - 64 : | 988 |
| 65 - 66 : | 549 |
| 67 - 69 : | 727 |
| 70 - 74 : | 978 |
| 75 - 79 : | 748 |
| 80 - 84 : | 429 |
| 85+ : | 321 |
Population by age for females in Ontario, California :
| 18 - 19 : | 2458 |
| 20 : | 1186 |
| 21 : | 1121 |
| 22 - 24 : | 3728 |
| 25 - 29 : | 6593 |
| 30 - 34 : | 6429 |
| 35 - 39 : | 6347 |
| 40 - 44 : | 5704 |
| 45 - 49 : | 4732 |
| 50 - 54 : | 3791 |
| 55 - 59 : | 2578 |
| 60 - 61 : | 830 |
| 62 - 64 : | 1136 |
| 65 - 66 : | 675 |
| 67 - 69 : | 854 |
| 70 - 74 : | 1376 |
| 75 - 79 : | 1164 |
| 80 - 84 : | 774 |
| 85+ : | 727 |
The total amount of households in Ontario, California is 43525. With 156866 people of the population in these households. The average household size is 3.60.
137426 people in Ontario, California are part of a family. The average family size in Ontario is 3.96 people.
There are 34376 married families in Ontario, California.
Number of married families by number of members in the family :
| 0 - 2 : | 5297 | 3 - 4 : | 3961 | 5 : | 2115 | 6 - 11 : | 12688 | 12 - 17 : | 10315 |