| | Florence township, NJ | Ledyard, CT | United States |
| Population | 12,684 | 15,313 | 329,725,481 |
| Female Population | 51.9% | 50.2% | 50.5% |
| Male Population | 48.1% | 49.8% | 49.5% |
| Median Age | 41.9 | 37.6 | 38.4 |
| space3 | | | |
| Population - 2010 | 12,130 | 15,041 | 309,327,143 |
| Population - 2000 | 10,746 | 14,687 | 285,036,114 |
| Population - 1990 | 10,266 | 14,913 | 251,960,433 |
| Pop. 2000 to Now | 16.1% | -0.7% | 15.6% |
| Pop. 1990 to Now | 21.5% | -2.2% | 30.8% |
| space4 | | | |
| Population Density | 1,296.9 | 400.7 | 93.4 |
| Land Area | 9.8 | 38.2 | 3,531,905.4 |
| Water Area | 0.4 | 1.8 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Florence township, NJ | Ledyard, CT | United States |
| Age 0 to 4 | 5.1% | 6.9% | 5.9% |
| Age 5 to 9 | 7.5% | 5.7% | 6.1% |
| Age 10 to 14 | 5.6% | 8.6% | 6.6% |
| Age 15 to 17 | 3.2% | 4.6% | 3.9% |
| Age 18 to 20 | 3.5% | 2.6% | 4.0% |
| Age 21 to 24 | 5.4% | 4.2% | 5.2% |
| Age 25 to 34 | 9.5% | 13.5% | 13.8% |
| Age 35 to 44 | 14.0% | 12.6% | 12.9% |
| Age 45 to 54 | 17.5% | 12.7% | 12.6% |
| Age 55 to 59 | 6.1% | 6.6% | 6.7% |
| Age 60 to 64 | 6.0% | 6.4% | 6.3% |
| Age 65 to 74 | 11.2% | 9.6% | 9.6% |
| Age 75 to 84 | 4.0% | 4.6% | 4.5% |
| Age 85 and over | 1.6% | 1.4% | 1.9% |
| space1 | | | |
| Race | | | |
| | Florence township, NJ | Ledyard, CT | United States |
| White | 71.9% | 81.7% | 59.4% |
| Black | 6.9% | 1.1% | 12.2% |
| Asian | 7.5% | 4.2% | 5.6% |
| Native American | 0.0% | 1.8% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.1% | 0.0% | 0.4% |
| Two or More Races | 2.8% | 5.3% | 3.2% |
| Hispanic | 10.8% | 5.8% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Florence township, NJ | Ledyard, CT | United States |
| Married Population | 50.6% | 55.1% | 49.8% |
| Currently Married | 48.6% | 54.0% | 48.0% |
| Married but Separated | 2.0% | 1.1% | 1.8% |
| Single Population | 49.4% | 44.9% | 50.2% |
| Never Married | 33.9% | 26.8% | 33.8% |
| Divorced | 10.3% | 13.9% | 10.8% |
| Widowed | 5.2% | 4.2% | 5.6% |
| space5 | | | |
| Household Size | 2.53 | 2.68 | 2.60 |
| Households | 5,007 | 5,696 | 124,010,992 |
| Family Households | 3,248 | 3,934 | 80,755,759 |
| Married couple, w/children | 27.2% | 36.1% | 30.5% |
| Married couple, no children | 47.0% | 42.1% | 42.9% |
| Non Family Households | 1,759 | 1,762 | 43,255,233 |
| Single householder, w/children | 15.2% | 14.2% | 15.8% |
| Single householder, no children | 10.7% | 7.5% | 10.8% |