| | Halawa, HI | Waimalu, HI | United States |
| Population | 14,990 | 13,818 | 329,725,481 |
| Female Population | 50.7% | 52.0% | 50.5% |
| Male Population | 49.3% | 48.0% | 49.5% |
| Median Age | 43.3 | 40.7 | 38.4 |
| space3 | | | |
| Population - 2010 | 13,884 | 14,163 | 309,327,143 |
| Population - 2000 | 13,891 | 29,371 | 285,036,114 |
| Population - 1990 | 13,690 | 29,967 | 251,960,433 |
| Pop. 2000 to Now | 0.3% | -56.5% | 15.6% |
| Pop. 1990 to Now | 1.8% | -57.3% | 30.8% |
| space4 | | | |
| Population Density | 6,322.2 | 7,546.7 | 93.4 |
| Land Area | 2.4 | 1.8 | 3,531,905.4 |
| Water Area | 0.0 | 0.1 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Halawa, HI | Waimalu, HI | United States |
| Age 0 to 4 | 5.2% | 6.7% | 5.9% |
| Age 5 to 9 | 4.8% | 3.5% | 6.1% |
| Age 10 to 14 | 4.6% | 3.7% | 6.6% |
| Age 15 to 17 | 2.4% | 1.9% | 3.9% |
| Age 18 to 20 | 3.0% | 3.5% | 4.0% |
| Age 21 to 24 | 7.4% | 5.4% | 5.2% |
| Age 25 to 34 | 15.7% | 17.6% | 13.8% |
| Age 35 to 44 | 8.3% | 13.2% | 12.9% |
| Age 45 to 54 | 14.5% | 13.5% | 12.6% |
| Age 55 to 59 | 7.2% | 7.1% | 6.7% |
| Age 60 to 64 | 7.3% | 4.9% | 6.3% |
| Age 65 to 74 | 10.3% | 10.5% | 9.6% |
| Age 75 to 84 | 5.6% | 4.6% | 4.5% |
| Age 85 and over | 3.7% | 3.9% | 1.9% |
| space1 | | | |
| Race | | | |
| | Halawa, HI | Waimalu, HI | United States |
| White | 7.3% | 12.3% | 59.4% |
| Black | 1.5% | 3.4% | 12.2% |
| Asian | 52.9% | 48.2% | 5.6% |
| Native American | 0.1% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 14.1% | 4.1% | 0.2% |
| Other | 1.0% | 0.3% | 0.4% |
| Two or More Races | 16.1% | 21.5% | 3.2% |
| Hispanic | 7.1% | 10.2% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Halawa, HI | Waimalu, HI | United States |
| Married Population | 48.9% | 49.4% | 49.8% |
| Currently Married | 47.7% | 47.0% | 48.0% |
| Married but Separated | 1.2% | 2.4% | 1.8% |
| Single Population | 51.1% | 50.6% | 50.2% |
| Never Married | 35.8% | 34.3% | 33.8% |
| Divorced | 9.0% | 10.4% | 10.8% |
| Widowed | 6.3% | 5.9% | 5.6% |
| space5 | | | |
| Household Size | 3.21 | 2.42 | 2.60 |
| Households | 4,572 | 5,710 | 124,010,992 |
| Family Households | 3,253 | 3,416 | 80,755,759 |
| Married couple, w/children | 26.7% | 22.9% | 30.5% |
| Married couple, no children | 47.5% | 47.1% | 42.9% |
| Non Family Households | 1,319 | 2,294 | 43,255,233 |
| Single householder, w/children | 9.6% | 10.3% | 15.8% |
| Single householder, no children | 16.2% | 19.7% | 10.8% |