| | Mahinahina, HI | Lahaina, HI | United States |
| Population | 1,160 | 13,261 | 329,725,481 |
| Female Population | 48.2% | 50.0% | 50.5% |
| Male Population | 51.8% | 50.0% | 49.5% |
| Median Age | 44.7 | 38.2 | 38.4 |
| space3 | | | |
| Population - 2010 | 683 | 10,678 | 309,327,143 |
| Population - 2000 | 519 | 9,118 | 285,036,114 |
| Population - 1990 | 294 | 9,073 | 251,960,433 |
| Pop. 2000 to Now | 112.1% | 48.5% | 15.6% |
| Pop. 1990 to Now | 274.5% | 49.2% | 30.8% |
| space4 | | | |
| Population Density | 173.1 | 1,704.1 | 93.4 |
| Land Area | 6.7 | 7.8 | 3,531,905.4 |
| Water Area | 0.0 | 1.5 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Mahinahina, HI | Lahaina, HI | United States |
| Age 0 to 4 | 4.4% | 8.1% | 5.9% |
| Age 5 to 9 | 11.1% | 7.5% | 6.1% |
| Age 10 to 14 | 9.2% | 5.3% | 6.6% |
| Age 15 to 17 | 2.0% | 4.6% | 3.9% |
| Age 18 to 20 | 0.3% | 2.1% | 4.0% |
| Age 21 to 24 | 0.9% | 3.9% | 5.2% |
| Age 25 to 34 | 11.1% | 13.3% | 13.8% |
| Age 35 to 44 | 11.1% | 16.1% | 12.9% |
| Age 45 to 54 | 27.5% | 12.3% | 12.6% |
| Age 55 to 59 | 5.3% | 5.9% | 6.7% |
| Age 60 to 64 | 9.4% | 5.6% | 6.3% |
| Age 65 to 74 | 6.6% | 10.6% | 9.6% |
| Age 75 to 84 | 0.8% | 3.1% | 4.5% |
| Age 85 and over | 0.3% | 1.6% | 1.9% |
| space1 | | | |
| Race | | | |
| | Mahinahina, HI | Lahaina, HI | United States |
| White | 50.2% | 23.1% | 59.4% |
| Black | 0.5% | 0.1% | 12.2% |
| Asian | 22.8% | 34.8% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 10.4% | 0.2% |
| Other | 0.0% | 0.2% | 0.4% |
| Two or More Races | 12.8% | 19.9% | 3.2% |
| Hispanic | 13.7% | 11.5% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Mahinahina, HI | Lahaina, HI | United States |
| Married Population | 72.5% | 48.8% | 49.8% |
| Currently Married | 72.3% | 47.1% | 48.0% |
| Married but Separated | 0.2% | 1.8% | 1.8% |
| Single Population | 27.5% | 51.2% | 50.2% |
| Never Married | 17.9% | 36.8% | 33.8% |
| Divorced | 7.4% | 8.8% | 10.8% |
| Widowed | 2.2% | 5.5% | 5.6% |
| space5 | | | |
| Household Size | 3.21 | 3.71 | 2.60 |
| Households | 361 | 3,480 | 124,010,992 |
| Family Households | 278 | 2,467 | 80,755,759 |
| Married couple, w/children | 54.7% | 39.0% | 30.5% |
| Married couple, no children | 37.4% | 32.9% | 42.9% |
| Non Family Households | 83 | 1,013 | 43,255,233 |
| Single householder, w/children | 4.3% | 19.6% | 15.8% |
| Single householder, no children | 3.6% | 8.5% | 10.8% |