| | McIntosh, FL | Dunnellon, FL | United States |
| Population | 290 | 2,262 | 329,725,481 |
| Female Population | 59.0% | 55.0% | 50.5% |
| Male Population | 41.0% | 45.1% | 49.5% |
| Median Age | 56.1 | 60.3 | 38.4 |
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| Population - 2010 | 454 | 1,730 | 309,327,143 |
| Population - 2000 | 453 | 1,898 | 285,036,114 |
| Population - 1990 | 411 | 1,624 | 251,960,433 |
| Pop. 2000 to Now | 11.9% | -1.6% | 15.6% |
| Pop. 1990 to Now | 23.4% | 15.0% | 30.8% |
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| Population Density | 407.9 | 360.3 | 93.4 |
| Land Area | 0.7 | 6.3 | 3,531,905.4 |
| Water Area | 0.0 | 0.3 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | McIntosh, FL | Dunnellon, FL | United States |
| Age 0 to 4 | 9.7% | 1.8% | 5.9% |
| Age 5 to 9 | 10.7% | 4.3% | 6.1% |
| Age 10 to 14 | 2.8% | 3.8% | 6.6% |
| Age 15 to 17 | 0.0% | 1.8% | 3.9% |
| Age 18 to 20 | 0.0% | 1.2% | 4.0% |
| Age 21 to 24 | 0.0% | 3.1% | 5.2% |
| Age 25 to 34 | 13.1% | 4.4% | 13.8% |
| Age 35 to 44 | 11.0% | 7.2% | 12.9% |
| Age 45 to 54 | 2.4% | 10.2% | 12.6% |
| Age 55 to 59 | 12.8% | 11.0% | 6.7% |
| Age 60 to 64 | 2.8% | 15.7% | 6.3% |
| Age 65 to 74 | 26.9% | 20.2% | 9.6% |
| Age 75 to 84 | 5.9% | 12.0% | 4.5% |
| Age 85 and over | 2.1% | 3.4% | 1.9% |
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| Race | | | |
| | McIntosh, FL | Dunnellon, FL | United States |
| White | 100.0% | 82.3% | 59.4% |
| Black | 0.0% | 9.2% | 12.2% |
| Asian | 0.0% | 0.7% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.6% | 0.4% |
| Two or More Races | 0.0% | 3.6% | 3.2% |
| Hispanic | 0.0% | 3.7% | 18.4% |
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| Marriage & Family | | | |
| | McIntosh, FL | Dunnellon, FL | United States |
| Married Population | 52.5% | 44.3% | 49.8% |
| Currently Married | 52.5% | 43.2% | 48.0% |
| Married but Separated | 0.0% | 1.1% | 1.8% |
| Single Population | 47.5% | 55.7% | 50.2% |
| Never Married | 12.1% | 24.2% | 33.8% |
| Divorced | 24.2% | 21.7% | 10.8% |
| Widowed | 11.2% | 9.9% | 5.6% |
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| Household Size | 2.09 | 1.76 | 2.60 |
| Households | 139 | 1,284 | 124,010,992 |
| Family Households | 66 | 506 | 80,755,759 |
| Married couple, w/children | 30.3% | 20.2% | 30.5% |
| Married couple, no children | 60.6% | 61.7% | 42.9% |
| Non Family Households | 73 | 778 | 43,255,233 |
| Single householder, w/children | 0.0% | 6.7% | 15.8% |
| Single householder, no children | 9.1% | 11.5% | 10.8% |