| | Poipu, HI | Kilauea, HI | United States |
| Population | 1,008 | 3,349 | 329,725,481 |
| Female Population | 49.1% | 54.4% | 50.5% |
| Male Population | 50.9% | 45.6% | 49.5% |
| Median Age | 61.9 | 40.3 | 38.4 |
| space3 | | | |
| Population - 2010 | 854 | 3,072 | 309,327,143 |
| Population - 2000 | 1,075 | 2,092 | 285,036,114 |
| Population - 1990 | 975 | 1,685 | 251,960,433 |
| Pop. 2000 to Now | 0.5% | 9.3% | 15.6% |
| Pop. 1990 to Now | 10.8% | 35.7% | 30.8% |
| space4 | | | |
| Population Density | 392.5 | 673.8 | 93.4 |
| Land Area | 2.6 | 5.0 | 3,531,905.4 |
| Water Area | 0.3 | 0.3 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Poipu, HI | Kilauea, HI | United States |
| Age 0 to 4 | 2.1% | 2.7% | 5.9% |
| Age 5 to 9 | 2.7% | 5.9% | 6.1% |
| Age 10 to 14 | 4.7% | 9.4% | 6.6% |
| Age 15 to 17 | 2.5% | 3.6% | 3.9% |
| Age 18 to 20 | 0.5% | 1.9% | 4.0% |
| Age 21 to 24 | 3.7% | 6.5% | 5.2% |
| Age 25 to 34 | 5.6% | 12.1% | 13.8% |
| Age 35 to 44 | 5.4% | 13.0% | 12.9% |
| Age 45 to 54 | 9.0% | 12.9% | 12.6% |
| Age 55 to 59 | 10.3% | 7.5% | 6.7% |
| Age 60 to 64 | 11.9% | 6.1% | 6.3% |
| Age 65 to 74 | 31.0% | 14.5% | 9.6% |
| Age 75 to 84 | 7.9% | 3.7% | 4.5% |
| Age 85 and over | 2.9% | 0.2% | 1.9% |
| space1 | | | |
| Race | | | |
| | Poipu, HI | Kilauea, HI | United States |
| White | 64.2% | 56.7% | 59.4% |
| Black | 0.2% | 0.2% | 12.2% |
| Asian | 13.3% | 21.4% | 5.6% |
| Native American | 0.3% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 1.8% | 0.4% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 5.7% | 13.5% | 3.2% |
| Hispanic | 14.6% | 7.7% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Poipu, HI | Kilauea, HI | United States |
| Married Population | 65.3% | 42.5% | 49.8% |
| Currently Married | 65.3% | 41.8% | 48.0% |
| Married but Separated | 0.0% | 0.7% | 1.8% |
| Single Population | 34.7% | 57.5% | 50.2% |
| Never Married | 20.4% | 40.0% | 33.8% |
| Divorced | 9.3% | 9.4% | 10.8% |
| Widowed | 5.0% | 8.1% | 5.6% |
| space5 | | | |
| Household Size | 2.04 | 3.59 | 2.60 |
| Households | 494 | 934 | 124,010,992 |
| Family Households | 298 | 707 | 80,755,759 |
| Married couple, w/children | 14.8% | 28.7% | 30.5% |
| Married couple, no children | 81.5% | 32.4% | 42.9% |
| Non Family Households | 196 | 227 | 43,255,233 |
| Single householder, w/children | 2.3% | 11.5% | 15.8% |
| Single householder, no children | 1.3% | 27.4% | 10.8% |