| | Holmes Beach, FL | Lafayette, LA | United States |
| Population | 3,132 | 122,469 | 329,725,481 |
| Female Population | 56.6% | 51.7% | 50.5% |
| Male Population | 43.4% | 48.3% | 49.5% |
| Median Age | 64.1 | 36.3 | 38.4 |
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| Population - 2010 | 3,842 | 121,896 | 309,327,143 |
| Population - 2000 | 4,966 | 110,257 | 285,036,114 |
| Population - 1990 | 4,810 | 94,440 | 251,960,433 |
| Pop. 2000 to Now | -13.3% | 14.8% | 15.6% |
| Pop. 1990 to Now | -10.5% | 34.0% | 30.8% |
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| Population Density | 1,868.7 | 2,207.7 | 93.4 |
| Land Area | 1.7 | 55.5 | 3,531,905.4 |
| Water Area | 0.2 | 0.1 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Holmes Beach, FL | Lafayette, LA | United States |
| Age 0 to 4 | 3.9% | 6.0% | 5.9% |
| Age 5 to 9 | 3.1% | 5.4% | 6.1% |
| Age 10 to 14 | 3.0% | 6.1% | 6.6% |
| Age 15 to 17 | 0.2% | 3.9% | 3.9% |
| Age 18 to 20 | 1.2% | 5.2% | 4.0% |
| Age 21 to 24 | 1.1% | 5.8% | 5.2% |
| Age 25 to 34 | 7.3% | 15.4% | 13.8% |
| Age 35 to 44 | 9.4% | 12.4% | 12.9% |
| Age 45 to 54 | 6.9% | 10.7% | 12.6% |
| Age 55 to 59 | 5.8% | 7.0% | 6.7% |
| Age 60 to 64 | 12.7% | 6.2% | 6.3% |
| Age 65 to 74 | 18.4% | 9.9% | 9.6% |
| Age 75 to 84 | 24.7% | 4.1% | 4.5% |
| Age 85 and over | 2.4% | 1.9% | 1.9% |
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| Race | | | |
| | Holmes Beach, FL | Lafayette, LA | United States |
| White | 94.6% | 59.5% | 59.4% |
| Black | 0.0% | 29.8% | 12.2% |
| Asian | 0.6% | 2.3% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.1% | 0.2% |
| Other | 2.7% | 0.1% | 0.4% |
| Two or More Races | 1.0% | 3.3% | 3.2% |
| Hispanic | 1.1% | 4.6% | 18.4% |
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| Marriage & Family | | | |
| | Holmes Beach, FL | Lafayette, LA | United States |
| Married Population | 66.1% | 43.5% | 49.8% |
| Currently Married | 65.4% | 41.4% | 48.0% |
| Married but Separated | 0.6% | 2.1% | 1.8% |
| Single Population | 33.9% | 56.5% | 50.2% |
| Never Married | 8.4% | 40.6% | 33.8% |
| Divorced | 14.5% | 9.9% | 10.8% |
| Widowed | 11.0% | 6.0% | 5.6% |
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| Household Size | 1.93 | 2.30 | 2.60 |
| Households | 1,617 | 51,328 | 124,010,992 |
| Family Households | 959 | 29,538 | 80,755,759 |
| Married couple, w/children | 14.6% | 24.3% | 30.5% |
| Married couple, no children | 75.1% | 44.7% | 42.9% |
| Non Family Households | 658 | 21,790 | 43,255,233 |
| Single householder, w/children | 6.6% | 18.6% | 15.8% |
| Single householder, no children | 3.8% | 12.4% | 10.8% |