| | Launiupoko, HI | Lanai City, HI | United States |
| Population | 620 | 3,079 | 329,725,481 |
| Female Population | 56.5% | 47.7% | 50.5% |
| Male Population | 43.6% | 52.3% | 49.5% |
| Median Age | 54.4 | 44.3 | 38.4 |
| space3 | | | |
| Population - 2010 | 469 | 3,335 | 309,327,143 |
| Population - 2000 | 125 | 3,164 | 285,036,114 |
| Population - 1990 | 141 | 2,400 | 251,960,433 |
| Pop. 2000 to Now | 332.8% | 3.1% | 15.6% |
| Pop. 1990 to Now | 283.7% | 35.9% | 30.8% |
| space4 | | | |
| Population Density | 116.3 | 455.0 | 93.4 |
| Land Area | 5.3 | 6.8 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Launiupoko, HI | Lanai City, HI | United States |
| Age 0 to 4 | 2.6% | 4.9% | 5.9% |
| Age 5 to 9 | 4.2% | 4.8% | 6.1% |
| Age 10 to 14 | 3.2% | 5.2% | 6.6% |
| Age 15 to 17 | 6.6% | 4.3% | 3.9% |
| Age 18 to 20 | 2.7% | 2.5% | 4.0% |
| Age 21 to 24 | 1.6% | 4.2% | 5.2% |
| Age 25 to 34 | 3.4% | 9.5% | 13.8% |
| Age 35 to 44 | 11.3% | 15.7% | 12.9% |
| Age 45 to 54 | 18.7% | 11.4% | 12.6% |
| Age 55 to 59 | 8.1% | 8.9% | 6.7% |
| Age 60 to 64 | 11.3% | 6.6% | 6.3% |
| Age 65 to 74 | 20.6% | 11.4% | 9.6% |
| Age 75 to 84 | 4.4% | 7.1% | 4.5% |
| Age 85 and over | 1.3% | 3.4% | 1.9% |
| space1 | | | |
| Race | | | |
| | Launiupoko, HI | Lanai City, HI | United States |
| White | 73.2% | 14.7% | 59.4% |
| Black | 1.0% | 0.0% | 12.2% |
| Asian | 1.6% | 53.7% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 6.5% | 9.1% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 11.6% | 17.3% | 3.2% |
| Hispanic | 6.1% | 5.2% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Launiupoko, HI | Lanai City, HI | United States |
| Married Population | 64.7% | 53.0% | 49.8% |
| Currently Married | 64.7% | 50.2% | 48.0% |
| Married but Separated | 0.0% | 2.7% | 1.8% |
| Single Population | 35.3% | 47.0% | 50.2% |
| Never Married | 23.1% | 28.0% | 33.8% |
| Divorced | 9.7% | 11.9% | 10.8% |
| Widowed | 2.5% | 7.2% | 5.6% |
| space5 | | | |
| Household Size | 2.66 | 2.65 | 2.60 |
| Households | 233 | 1,157 | 124,010,992 |
| Family Households | 197 | 782 | 80,755,759 |
| Married couple, w/children | 30.5% | 28.3% | 30.5% |
| Married couple, no children | 54.3% | 45.3% | 42.9% |
| Non Family Households | 36 | 375 | 43,255,233 |
| Single householder, w/children | 9.1% | 18.8% | 15.8% |
| Single householder, no children | 6.1% | 7.7% | 10.8% |