| | Wolfeboro, NH | Helena, MT | United States |
| Population | 6,373 | 32,060 | 329,725,481 |
| Female Population | 51.2% | 51.9% | 50.5% |
| Male Population | 48.8% | 48.1% | 49.5% |
| Median Age | 57.3 | 39.9 | 38.4 |
| space3 | | | |
| Population - 2010 | 6,285 | 28,909 | 309,327,143 |
| Population - 2000 | 6,083 | 25,780 | 285,036,114 |
| Population - 1990 | 4,807 | 24,569 | 251,960,433 |
| Pop. 2000 to Now | 6.0% | 30.9% | 15.6% |
| Pop. 1990 to Now | 34.2% | 37.3% | 30.8% |
| space4 | | | |
| Population Density | 133.1 | 1,919.2 | 93.4 |
| Land Area | 47.9 | 16.7 | 3,531,905.4 |
| Water Area | 10.6 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Wolfeboro, NH | Helena, MT | United States |
| Age 0 to 4 | 2.1% | 4.8% | 5.9% |
| Age 5 to 9 | 2.2% | 5.2% | 6.1% |
| Age 10 to 14 | 3.4% | 5.9% | 6.6% |
| Age 15 to 17 | 5.4% | 3.3% | 3.9% |
| Age 18 to 20 | 2.8% | 4.3% | 4.0% |
| Age 21 to 24 | 0.3% | 6.0% | 5.2% |
| Age 25 to 34 | 4.4% | 12.6% | 13.8% |
| Age 35 to 44 | 10.2% | 13.5% | 12.9% |
| Age 45 to 54 | 11.6% | 10.9% | 12.6% |
| Age 55 to 59 | 12.7% | 6.3% | 6.7% |
| Age 60 to 64 | 10.6% | 6.6% | 6.3% |
| Age 65 to 74 | 16.4% | 11.5% | 9.6% |
| Age 75 to 84 | 12.4% | 6.5% | 4.5% |
| Age 85 and over | 5.5% | 2.5% | 1.9% |
| space1 | | | |
| Race | | | |
| | Wolfeboro, NH | Helena, MT | United States |
| White | 96.4% | 87.9% | 59.4% |
| Black | 0.0% | 0.6% | 12.2% |
| Asian | 0.0% | 0.8% | 5.6% |
| Native American | 0.0% | 1.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.2% | 0.4% |
| Two or More Races | 0.6% | 4.3% | 3.2% |
| Hispanic | 3.0% | 5.0% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Wolfeboro, NH | Helena, MT | United States |
| Married Population | 55.8% | 42.2% | 49.8% |
| Currently Married | 55.8% | 41.4% | 48.0% |
| Married but Separated | 0.0% | 0.9% | 1.8% |
| Single Population | 44.2% | 57.8% | 50.2% |
| Never Married | 15.5% | 32.4% | 33.8% |
| Divorced | 18.7% | 18.4% | 10.8% |
| Widowed | 10.0% | 6.9% | 5.6% |
| space5 | | | |
| Household Size | 2.10 | 2.03 | 2.60 |
| Households | 2,987 | 15,032 | 124,010,992 |
| Family Households | 1,851 | 7,138 | 80,755,759 |
| Married couple, w/children | 12.3% | 29.4% | 30.5% |
| Married couple, no children | 66.9% | 45.9% | 42.9% |
| Non Family Households | 1,136 | 7,894 | 43,255,233 |
| Single householder, w/children | 14.2% | 17.7% | 15.8% |
| Single householder, no children | 6.6% | 7.1% | 10.8% |