| | Waimanalo, HI | Princeville, HI | United States |
| Population | 5,371 | 1,969 | 329,725,481 |
| Female Population | 45.9% | 56.4% | 50.5% |
| Male Population | 54.1% | 43.6% | 49.5% |
| Median Age | 32.1 | 50 | 38.4 |
| space3 | | | |
| Population - 2010 | 6,581 | 2,066 | 309,327,143 |
| Population - 2000 | 3,664 | 1,698 | 285,036,114 |
| Population - 1990 | 3,508 | 1,244 | 251,960,433 |
| Pop. 2000 to Now | 74.5% | 15.8% | 15.6% |
| Pop. 1990 to Now | 82.2% | 58.1% | 30.8% |
| space4 | | | |
| Population Density | 1,233.6 | 815.7 | 93.4 |
| Land Area | 4.4 | 2.4 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Waimanalo, HI | Princeville, HI | United States |
| Age 0 to 4 | 4.9% | 3.7% | 5.9% |
| Age 5 to 9 | 9.8% | 8.0% | 6.1% |
| Age 10 to 14 | 10.8% | 4.0% | 6.6% |
| Age 15 to 17 | 6.4% | 8.0% | 3.9% |
| Age 18 to 20 | 3.2% | 0.9% | 4.0% |
| Age 21 to 24 | 6.8% | 0.0% | 5.2% |
| Age 25 to 34 | 13.3% | 2.7% | 13.8% |
| Age 35 to 44 | 11.0% | 16.5% | 12.9% |
| Age 45 to 54 | 13.6% | 16.0% | 12.6% |
| Age 55 to 59 | 3.5% | 4.9% | 6.7% |
| Age 60 to 64 | 3.2% | 7.1% | 6.3% |
| Age 65 to 74 | 6.9% | 21.4% | 9.6% |
| Age 75 to 84 | 5.4% | 6.5% | 4.5% |
| Age 85 and over | 1.3% | 0.5% | 1.9% |
| space1 | | | |
| Race | | | |
| | Waimanalo, HI | Princeville, HI | United States |
| White | 10.4% | 68.1% | 59.4% |
| Black | 0.0% | 0.0% | 12.2% |
| Asian | 13.4% | 3.9% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 28.9% | 0.0% | 0.2% |
| Other | 0.0% | 0.3% | 0.4% |
| Two or More Races | 33.5% | 8.5% | 3.2% |
| Hispanic | 13.8% | 19.4% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Waimanalo, HI | Princeville, HI | United States |
| Married Population | 41.6% | 66.4% | 49.8% |
| Currently Married | 40.4% | 65.3% | 48.0% |
| Married but Separated | 1.2% | 1.1% | 1.8% |
| Single Population | 58.4% | 33.6% | 50.2% |
| Never Married | 38.2% | 14.4% | 33.8% |
| Divorced | 13.3% | 16.4% | 10.8% |
| Widowed | 6.9% | 2.8% | 5.6% |
| space5 | | | |
| Household Size | 4.45 | 2.25 | 2.60 |
| Households | 1,206 | 875 | 124,010,992 |
| Family Households | 978 | 593 | 80,755,759 |
| Married couple, w/children | 30.2% | 30.9% | 30.5% |
| Married couple, no children | 30.9% | 60.9% | 42.9% |
| Non Family Households | 228 | 282 | 43,255,233 |
| Single householder, w/children | 28.9% | 4.4% | 15.8% |
| Single householder, no children | 10.0% | 3.9% | 10.8% |