| | Voluntown, CT | Richmond, RI | United States |
| Population | 2,554 | 8,064 | 329,725,481 |
| Female Population | 51.7% | 49.3% | 50.5% |
| Male Population | 48.3% | 50.7% | 49.5% |
| Median Age | 47.8 | 43.9 | 38.4 |
| space3 | | | |
| Population - 2010 | 2,603 | 7,707 | 309,327,143 |
| Population - 2000 | 2,528 | 7,222 | 285,036,114 |
| Population - 1990 | 2,113 | 5,351 | 251,960,433 |
| Pop. 2000 to Now | -1.1% | 9.2% | 15.6% |
| Pop. 1990 to Now | 18.3% | 47.4% | 30.8% |
| space4 | | | |
| Population Density | 65.6 | 200.1 | 93.4 |
| Land Area | 39.0 | 40.3 | 3,531,905.4 |
| Water Area | 0.8 | 0.4 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Voluntown, CT | Richmond, RI | United States |
| Age 0 to 4 | 3.1% | 5.6% | 5.9% |
| Age 5 to 9 | 3.5% | 6.5% | 6.1% |
| Age 10 to 14 | 6.5% | 7.4% | 6.6% |
| Age 15 to 17 | 4.2% | 3.9% | 3.9% |
| Age 18 to 20 | 4.3% | 2.2% | 4.0% |
| Age 21 to 24 | 7.0% | 3.2% | 5.2% |
| Age 25 to 34 | 10.3% | 13.2% | 13.8% |
| Age 35 to 44 | 6.7% | 8.6% | 12.9% |
| Age 45 to 54 | 20.4% | 17.1% | 12.6% |
| Age 55 to 59 | 10.4% | 9.1% | 6.7% |
| Age 60 to 64 | 8.3% | 9.9% | 6.3% |
| Age 65 to 74 | 8.7% | 9.7% | 9.6% |
| Age 75 to 84 | 5.2% | 2.6% | 4.5% |
| Age 85 and over | 1.4% | 1.1% | 1.9% |
| space1 | | | |
| Race | | | |
| | Voluntown, CT | Richmond, RI | United States |
| White | 88.4% | 93.7% | 59.4% |
| Black | 0.0% | 0.2% | 12.2% |
| Asian | 0.0% | 0.0% | 5.6% |
| Native American | 0.2% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.8% | 0.0% | 0.2% |
| Other | 0.5% | 0.0% | 0.4% |
| Two or More Races | 7.6% | 2.5% | 3.2% |
| Hispanic | 2.5% | 3.6% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Voluntown, CT | Richmond, RI | United States |
| Married Population | 50.3% | 58.4% | 49.8% |
| Currently Married | 50.1% | 57.5% | 48.0% |
| Married but Separated | 0.3% | 0.8% | 1.8% |
| Single Population | 49.7% | 41.6% | 50.2% |
| Never Married | 34.0% | 25.0% | 33.8% |
| Divorced | 12.3% | 13.7% | 10.8% |
| Widowed | 3.4% | 3.0% | 5.6% |
| space5 | | | |
| Household Size | 2.43 | 2.71 | 2.60 |
| Households | 1,053 | 2,961 | 124,010,992 |
| Family Households | 787 | 2,284 | 80,755,759 |
| Married couple, w/children | 23.8% | 29.8% | 30.5% |
| Married couple, no children | 45.5% | 48.2% | 42.9% |
| Non Family Households | 266 | 677 | 43,255,233 |
| Single householder, w/children | 8.6% | 18.1% | 15.8% |
| Single householder, no children | 22.1% | 3.9% | 10.8% |