| | Mashpee, MA | Gainesville, GA | United States |
| Population | 14,996 | 41,730 | 329,725,481 |
| Female Population | 51.4% | 53.4% | 50.5% |
| Male Population | 48.6% | 46.6% | 49.5% |
| Median Age | 51.9 | 32.4 | 38.4 |
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| Population - 2010 | 14,002 | 34,066 | 309,327,143 |
| Population - 2000 | 12,946 | 25,578 | 285,036,114 |
| Population - 1990 | 7,884 | 17,885 | 251,960,433 |
| Pop. 2000 to Now | 10.2% | 72.9% | 15.6% |
| Pop. 1990 to Now | 81.0% | 147.2% | 30.8% |
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| Population Density | 641.0 | 1,273.3 | 93.4 |
| Land Area | 23.4 | 32.8 | 3,531,905.4 |
| Water Area | 3.8 | 1.9 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Mashpee, MA | Gainesville, GA | United States |
| Age 0 to 4 | 4.5% | 7.2% | 5.9% |
| Age 5 to 9 | 4.7% | 7.8% | 6.1% |
| Age 10 to 14 | 4.1% | 6.4% | 6.6% |
| Age 15 to 17 | 2.5% | 5.1% | 3.9% |
| Age 18 to 20 | 2.0% | 4.8% | 4.0% |
| Age 21 to 24 | 3.8% | 6.8% | 5.2% |
| Age 25 to 34 | 12.0% | 15.4% | 13.8% |
| Age 35 to 44 | 9.6% | 12.2% | 12.9% |
| Age 45 to 54 | 10.3% | 10.7% | 12.6% |
| Age 55 to 59 | 9.7% | 4.9% | 6.7% |
| Age 60 to 64 | 8.1% | 4.0% | 6.3% |
| Age 65 to 74 | 15.8% | 9.2% | 9.6% |
| Age 75 to 84 | 9.6% | 3.4% | 4.5% |
| Age 85 and over | 3.3% | 2.1% | 1.9% |
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| Race | | | |
| | Mashpee, MA | Gainesville, GA | United States |
| White | 84.6% | 40.2% | 59.4% |
| Black | 2.9% | 16.0% | 12.2% |
| Asian | 2.5% | 2.7% | 5.6% |
| Native American | 3.7% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.7% | 0.8% | 0.4% |
| Two or More Races | 4.3% | 2.2% | 3.2% |
| Hispanic | 1.3% | 38.1% | 18.4% |
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| Marriage & Family | | | |
| | Mashpee, MA | Gainesville, GA | United States |
| Married Population | 52.4% | 44.6% | 49.8% |
| Currently Married | 51.3% | 42.0% | 48.0% |
| Married but Separated | 1.1% | 2.6% | 1.8% |
| Single Population | 47.6% | 55.4% | 50.2% |
| Never Married | 27.0% | 38.8% | 33.8% |
| Divorced | 14.5% | 11.7% | 10.8% |
| Widowed | 6.1% | 4.8% | 5.6% |
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| Household Size | 2.26 | 2.78 | 2.60 |
| Households | 6,603 | 14,619 | 124,010,992 |
| Family Households | 3,977 | 9,307 | 80,755,759 |
| Married couple, w/children | 18.2% | 32.1% | 30.5% |
| Married couple, no children | 60.6% | 31.9% | 42.9% |
| Non Family Households | 2,626 | 5,312 | 43,255,233 |
| Single householder, w/children | 12.9% | 22.8% | 15.8% |
| Single householder, no children | 8.3% | 13.2% | 10.8% |