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Below is information on the population, racial profile, house hold count, and sex/age profiles for the city of Castro Valley. These results are gathered once every 10 years and may not be 100% accurate or up to date.
The population for Castro Valley, California is approximatly 57292.
Racial profile for Castro Valley:
| White : | 40587 |
| Black : | 2946 |
| Native American : | 336 |
| Asian : | 7757 |
| Pacific Islander : | 254 |
| Other : | 2355 |
| * results may not accumulate to total population due to mixed race individuals | |
Population by age for males in Castro Valley, California :
| 18 - 19 : | 675 |
| 20 : | 270 |
| 21 : | 263 |
| 22 - 24 : | 775 |
| 25 - 29 : | 1526 |
| 30 - 34 : | 1892 |
| 35 - 39 : | 2330 |
| 40 - 44 : | 2639 |
| 45 - 49 : | 2439 |
| 50 - 54 : | 2182 |
| 55 - 59 : | 1448 |
| 60 - 61 : | 451 |
| 62 - 64 : | 586 |
| 65 - 66 : | 351 |
| 67 - 69 : | 501 |
| 70 - 74 : | 789 |
| 75 - 79 : | 850 |
| 80 - 84 : | 514 |
| 85+ : | 342 |
Population by age for females in Castro Valley, California :
| 18 - 19 : | 600 |
| 20 : | 266 |
| 21 : | 229 |
| 22 - 24 : | 813 |
| 25 - 29 : | 1630 |
| 30 - 34 : | 1922 |
| 35 - 39 : | 2461 |
| 40 - 44 : | 2701 |
| 45 - 49 : | 2479 |
| 50 - 54 : | 2193 |
| 55 - 59 : | 1408 |
| 60 - 61 : | 476 |
| 62 - 64 : | 649 |
| 65 - 66 : | 384 |
| 67 - 69 : | 606 |
| 70 - 74 : | 1109 |
| 75 - 79 : | 1195 |
| 80 - 84 : | 845 |
| 85+ : | 909 |
The total amount of households in Castro Valley, California is 21606. With 55772 people of the population in these households. The average household size is 2.58.
45883 people in Castro Valley, California are part of a family. The average family size in Castro Valley is 3.05 people.
There are 9510 married families in Castro Valley, California.
Number of married families by number of members in the family :
| 0 - 2 : | 1468 | 3 - 4 : | 990 | 5 : | 500 | 6 - 11 : | 3305 | 12 - 17 : | 3247 |