| | Loudon, NH | Kingsland, GA | United States |
| Population | 5,601 | 18,217 | 329,725,481 |
| Female Population | 51.1% | 50.1% | 50.5% |
| Male Population | 48.9% | 49.9% | 49.5% |
| Median Age | 55.1 | 30.9 | 38.4 |
| space3 | | | |
| Population - 2010 | 5,287 | 15,863 | 309,327,143 |
| Population - 2000 | 4,481 | 10,506 | 285,036,114 |
| Population - 1990 | 4,114 | 4,699 | 251,960,433 |
| Pop. 2000 to Now | 27.1% | 74.1% | 15.6% |
| Pop. 1990 to Now | 38.5% | 289.3% | 30.8% |
| space4 | | | |
| Population Density | 119.7 | 408.8 | 93.4 |
| Land Area | 46.8 | 44.6 | 3,531,905.4 |
| Water Area | 0.6 | 0.2 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Loudon, NH | Kingsland, GA | United States |
| Age 0 to 4 | 2.6% | 6.9% | 5.9% |
| Age 5 to 9 | 0.0% | 10.3% | 6.1% |
| Age 10 to 14 | 6.6% | 7.6% | 6.6% |
| Age 15 to 17 | 4.5% | 2.8% | 3.9% |
| Age 18 to 20 | 2.7% | 5.6% | 4.0% |
| Age 21 to 24 | 2.0% | 4.1% | 5.2% |
| Age 25 to 34 | 7.3% | 20.2% | 13.8% |
| Age 35 to 44 | 12.5% | 11.1% | 12.9% |
| Age 45 to 54 | 11.5% | 10.7% | 12.6% |
| Age 55 to 59 | 9.1% | 6.0% | 6.7% |
| Age 60 to 64 | 17.9% | 5.1% | 6.3% |
| Age 65 to 74 | 16.3% | 6.0% | 9.6% |
| Age 75 to 84 | 5.2% | 3.1% | 4.5% |
| Age 85 and over | 2.0% | 0.6% | 1.9% |
| space1 | | | |
| Race | | | |
| | Loudon, NH | Kingsland, GA | United States |
| White | 97.1% | 60.5% | 59.4% |
| Black | 0.0% | 23.0% | 12.2% |
| Asian | 0.5% | 1.8% | 5.6% |
| Native American | 0.0% | 0.6% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 2.4% | 4.1% | 3.2% |
| Hispanic | 0.0% | 10.1% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Loudon, NH | Kingsland, GA | United States |
| Married Population | 64.0% | 52.2% | 49.8% |
| Currently Married | 63.1% | 49.4% | 48.0% |
| Married but Separated | 0.9% | 2.8% | 1.8% |
| Single Population | 36.0% | 47.8% | 50.2% |
| Never Married | 21.0% | 31.8% | 33.8% |
| Divorced | 10.1% | 12.8% | 10.8% |
| Widowed | 5.0% | 3.2% | 5.6% |
| space5 | | | |
| Household Size | 2.42 | 2.79 | 2.60 |
| Households | 2,319 | 6,526 | 124,010,992 |
| Family Households | 1,753 | 4,810 | 80,755,759 |
| Married couple, w/children | 20.3% | 29.5% | 30.5% |
| Married couple, no children | 66.1% | 37.2% | 42.9% |
| Non Family Households | 566 | 1,716 | 43,255,233 |
| Single householder, w/children | 5.4% | 25.4% | 15.8% |
| Single householder, no children | 8.3% | 7.9% | 10.8% |