| | Ledyard, CT | Tampa, FL | United States |
| Population | 15,313 | 380,476 | 329,725,481 |
| Female Population | 50.2% | 50.4% | 50.5% |
| Male Population | 49.8% | 49.6% | 49.5% |
| Median Age | 37.6 | 35.9 | 38.4 |
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| Population - 2010 | 15,041 | 337,156 | 309,327,143 |
| Population - 2000 | 14,687 | 303,447 | 285,036,114 |
| Population - 1990 | 14,913 | 280,015 | 251,960,433 |
| Pop. 2000 to Now | -0.7% | 34.3% | 15.6% |
| Pop. 1990 to Now | -2.2% | 45.6% | 30.8% |
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| Population Density | 400.7 | 3,337.4 | 93.4 |
| Land Area | 38.2 | 114.0 | 3,531,905.4 |
| Water Area | 1.8 | 61.8 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Ledyard, CT | Tampa, FL | United States |
| Age 0 to 4 | 6.9% | 6.2% | 5.9% |
| Age 5 to 9 | 5.7% | 5.9% | 6.1% |
| Age 10 to 14 | 8.6% | 5.9% | 6.6% |
| Age 15 to 17 | 4.6% | 3.5% | 3.9% |
| Age 18 to 20 | 2.6% | 4.6% | 4.0% |
| Age 21 to 24 | 4.2% | 5.4% | 5.2% |
| Age 25 to 34 | 13.5% | 17.2% | 13.8% |
| Age 35 to 44 | 12.6% | 13.9% | 12.9% |
| Age 45 to 54 | 12.7% | 13.0% | 12.6% |
| Age 55 to 59 | 6.6% | 5.9% | 6.7% |
| Age 60 to 64 | 6.4% | 5.7% | 6.3% |
| Age 65 to 74 | 9.6% | 7.6% | 9.6% |
| Age 75 to 84 | 4.6% | 3.8% | 4.5% |
| Age 85 and over | 1.4% | 1.4% | 1.9% |
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| Race | | | |
| | Ledyard, CT | Tampa, FL | United States |
| White | 81.7% | 44.4% | 59.4% |
| Black | 1.1% | 21.1% | 12.2% |
| Asian | 4.2% | 4.5% | 5.6% |
| Native American | 1.8% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.1% | 0.2% |
| Other | 0.0% | 0.3% | 0.4% |
| Two or More Races | 5.3% | 3.3% | 3.2% |
| Hispanic | 5.8% | 26.2% | 18.4% |
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| Marriage & Family | | | |
| | Ledyard, CT | Tampa, FL | United States |
| Married Population | 55.1% | 41.6% | 49.8% |
| Currently Married | 54.0% | 39.1% | 48.0% |
| Married but Separated | 1.1% | 2.5% | 1.8% |
| Single Population | 44.9% | 58.4% | 50.2% |
| Never Married | 26.8% | 40.3% | 33.8% |
| Divorced | 13.9% | 13.1% | 10.8% |
| Widowed | 4.2% | 5.0% | 5.6% |
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| Household Size | 2.68 | 2.41 | 2.60 |
| Households | 5,696 | 153,163 | 124,010,992 |
| Family Households | 3,934 | 82,968 | 80,755,759 |
| Married couple, w/children | 36.1% | 28.0% | 30.5% |
| Married couple, no children | 42.1% | 37.3% | 42.9% |
| Non Family Households | 1,762 | 70,195 | 43,255,233 |
| Single householder, w/children | 14.2% | 21.0% | 15.8% |
| Single householder, no children | 7.5% | 13.7% | 10.8% |