| | Moville, IA | Kahuku, HI | United States |
| Population | 1,712 | 2,371 | 329,725,481 |
| Female Population | 47.7% | 52.9% | 50.5% |
| Male Population | 52.3% | 47.2% | 49.5% |
| Median Age | 33.3 | 32.7 | 38.4 |
| space3 | | | |
| Population - 2010 | 1,622 | 2,458 | 309,327,143 |
| Population - 2000 | 1,583 | 2,097 | 285,036,114 |
| Population - 1990 | 1,306 | 2,063 | 251,960,433 |
| Pop. 2000 to Now | 4.3% | 9.1% | 15.6% |
| Pop. 1990 to Now | 26.4% | 10.9% | 30.8% |
| space4 | | | |
| Population Density | 1,804.0 | 2,462.1 | 93.4 |
| Land Area | 0.9 | 1.0 | 3,531,905.4 |
| Water Area | 0.0 | 1.3 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Moville, IA | Kahuku, HI | United States |
| Age 0 to 4 | 6.7% | 11.0% | 5.9% |
| Age 5 to 9 | 8.3% | 9.6% | 6.1% |
| Age 10 to 14 | 6.9% | 10.3% | 6.6% |
| Age 15 to 17 | 4.3% | 4.1% | 3.9% |
| Age 18 to 20 | 6.7% | 2.0% | 4.0% |
| Age 21 to 24 | 3.0% | 6.2% | 5.2% |
| Age 25 to 34 | 17.1% | 10.2% | 13.8% |
| Age 35 to 44 | 8.6% | 14.5% | 12.9% |
| Age 45 to 54 | 11.9% | 8.8% | 12.6% |
| Age 55 to 59 | 7.9% | 6.7% | 6.7% |
| Age 60 to 64 | 5.9% | 4.7% | 6.3% |
| Age 65 to 74 | 7.9% | 7.1% | 9.6% |
| Age 75 to 84 | 3.2% | 3.5% | 4.5% |
| Age 85 and over | 1.5% | 1.4% | 1.9% |
| space1 | | | |
| Race | | | |
| | Moville, IA | Kahuku, HI | United States |
| White | 92.8% | 10.4% | 59.4% |
| Black | 1.8% | 2.3% | 12.2% |
| Asian | 0.6% | 14.5% | 5.6% |
| Native American | 1.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 35.7% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 1.6% | 26.3% | 3.2% |
| Hispanic | 2.2% | 10.9% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Moville, IA | Kahuku, HI | United States |
| Married Population | 53.0% | 54.3% | 49.8% |
| Currently Married | 53.0% | 54.1% | 48.0% |
| Married but Separated | 0.0% | 0.2% | 1.8% |
| Single Population | 47.0% | 45.7% | 50.2% |
| Never Married | 32.8% | 31.2% | 33.8% |
| Divorced | 9.0% | 9.5% | 10.8% |
| Widowed | 5.2% | 5.0% | 5.6% |
| space5 | | | |
| Household Size | 2.50 | 4.04 | 2.60 |
| Households | 685 | 583 | 124,010,992 |
| Family Households | 460 | 464 | 80,755,759 |
| Married couple, w/children | 28.9% | 35.1% | 30.5% |
| Married couple, no children | 46.3% | 28.9% | 42.9% |
| Non Family Households | 225 | 119 | 43,255,233 |
| Single householder, w/children | 20.2% | 27.6% | 15.8% |
| Single householder, no children | 4.6% | 8.4% | 10.8% |