| Subject | Total | 18 years and over | Under 18 years | |||
| Number | Percent | Number | Percent | Number | Percent | |
| POPULATION | ||||||
| Total Population | 4,335,391 | 100.0 | 3,414,755 | 100.0 | 920,636 | 100.0 |
| RACE | ||||||
| One Race | 4,095,607 | 94.5 | 3,276,904 | 96.0 | 818,703 | 88.9 |
| White | 2,239,519 | 51.7 | 1,839,077 | 53.9 | 400,442 | 43.5 |
| Black or African American | 363,905 | 8.4 | 280,886 | 8.2 | 83,019 | 9.0 |
| American Indian and Alaska Native | 24,774 | 0.6 | 19,187 | 0.6 | 5,587 | 0.6 |
| Asian | 1,005,823 | 23.2 | 813,521 | 23.8 | 192,302 | 20.9 |
| Native Hawaiian and Other Pacific Islander | 31,832 | 0.7 | 23,246 | 0.7 | 8,586 | 0.9 |
| Some Other Race | 429,754 | 9.9 | 300,987 | 8.8 | 128,767 | 14.0 |
| Two or More Races | 239,784 | 5.5 | 137,851 | 4.0 | 101,933 | 11.1 |
HISPANIC OR LATINO AND RACE | ||||||
| Hispanic or Latino (of any race) | 938,794 | 21.7 | 651,422 | 19.1 | 287,372 | 31.2 |
| Not Hispanic or Latino | 3,396,597 | 78.3 | 2,763,333 | 80.9 | 633,264 | 68.8 |
| One Race | 3,238,851 | 74.7 | 2,672,707 | 78.3 | 566,144 | 61.5 |
| White | 1,840,372 | 42.4 | 1,554,206 | 45.5 | 286,166 | 31.1 |
| Black or African American | 349,895 | 8.1 | 272,331 | 8.0 | 77,564 | 8.4 |
| American Indian and Alaska Native | 10,657 | 0.2 | 8,765 | 0.3 | 1,892 | 0.2 |
| Asian | 994,616 | 22.9 | 806,037 | 23.6 | 188,579 | 20.5 |
| Native Hawaiian and Other Pacific Islander | 29,761 | 0.7 | 21,959 | 0.6 | 7,802 | 0.8 |
| Some Other Race | 13,550 | 0.3 | 9,409 | 0.3 | 4,141 | 0.4 |
| Two or More Races | 157,746 | 3.6 | 90,626 | 2.7 | 67,120 | 7.3 |
HOUSING UNITS | ||||||
| Total housing units | 1,741,999 | 100.0 | ||||
OCCUPANCY STATUS | ||||||
| Occupied housing units | 1,627,360 | 93.4 | ||||
| Vacant housing units | 114,639 | 6.6 | ||||