| | Hartland, CT | Yellville, AR | United States |
| Population | 1,971 | 1,195 | 329,725,481 |
| Female Population | 49.0% | 52.3% | 50.5% |
| Male Population | 51.0% | 47.7% | 49.5% |
| Median Age | 51.9 | 33.7 | 38.4 |
| space3 | | | |
| Population - 2010 | 2,119 | 1,202 | 309,327,143 |
| Population - 2000 | 2,012 | 1,312 | 285,036,114 |
| Population - 1990 | 1,866 | 1,181 | 251,960,433 |
| Pop. 2000 to Now | 5.0% | -12.0% | 15.6% |
| Pop. 1990 to Now | 13.2% | -2.3% | 30.8% |
| space4 | | | |
| Population Density | 59.6 | 482.8 | 93.4 |
| Land Area | 33.1 | 2.5 | 3,531,905.4 |
| Water Area | 1.5 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Hartland, CT | Yellville, AR | United States |
| Age 0 to 4 | 2.0% | 4.8% | 5.9% |
| Age 5 to 9 | 3.5% | 5.9% | 6.1% |
| Age 10 to 14 | 8.6% | 15.0% | 6.6% |
| Age 15 to 17 | 4.6% | 5.4% | 3.9% |
| Age 18 to 20 | 1.8% | 5.4% | 4.0% |
| Age 21 to 24 | 4.2% | 2.4% | 5.2% |
| Age 25 to 34 | 9.5% | 11.7% | 13.8% |
| Age 35 to 44 | 6.5% | 14.1% | 12.9% |
| Age 45 to 54 | 11.5% | 6.9% | 12.6% |
| Age 55 to 59 | 14.8% | 4.4% | 6.7% |
| Age 60 to 64 | 13.8% | 8.5% | 6.3% |
| Age 65 to 74 | 13.5% | 10.1% | 9.6% |
| Age 75 to 84 | 3.1% | 4.6% | 4.5% |
| Age 85 and over | 2.7% | 0.8% | 1.9% |
| space1 | | | |
| Race | | | |
| | Hartland, CT | Yellville, AR | United States |
| White | 89.4% | 79.3% | 59.4% |
| Black | 0.1% | 10.2% | 12.2% |
| Asian | 0.0% | 0.0% | 5.6% |
| Native American | 3.7% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.7% | 0.0% | 0.4% |
| Two or More Races | 5.6% | 7.8% | 3.2% |
| Hispanic | 0.5% | 2.7% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Hartland, CT | Yellville, AR | United States |
| Married Population | 58.9% | 44.8% | 49.8% |
| Currently Married | 58.9% | 41.2% | 48.0% |
| Married but Separated | 0.0% | 3.6% | 1.8% |
| Single Population | 41.1% | 55.2% | 50.2% |
| Never Married | 27.7% | 30.1% | 33.8% |
| Divorced | 8.9% | 18.9% | 10.8% |
| Widowed | 4.5% | 6.2% | 5.6% |
| space5 | | | |
| Household Size | 2.40 | 2.70 | 2.60 |
| Households | 818 | 418 | 124,010,992 |
| Family Households | 553 | 279 | 80,755,759 |
| Married couple, w/children | 25.9% | 25.4% | 30.5% |
| Married couple, no children | 63.3% | 41.6% | 42.9% |
| Non Family Households | 265 | 139 | 43,255,233 |
| Single householder, w/children | 5.6% | 29.7% | 15.8% |
| Single householder, no children | 5.2% | 3.2% | 10.8% |