| | Farmingdale, NJ | Deal, NJ | United States |
| Population | 1,285 | 571 | 329,725,481 |
| Female Population | 49.7% | 55.2% | 50.5% |
| Male Population | 50.3% | 44.8% | 49.5% |
| Median Age | 39.1 | 38.9 | 38.4 |
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| Population - 2010 | 1,325 | 753 | 309,327,143 |
| Population - 2000 | 1,587 | 1,070 | 285,036,114 |
| Population - 1990 | 1,462 | 1,179 | 251,960,433 |
| Pop. 2000 to Now | -14.9% | -32.6% | 15.6% |
| Pop. 1990 to Now | -7.6% | -38.9% | 30.8% |
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| Population Density | 2,471.2 | 482.3 | 93.4 |
| Land Area | 0.5 | 1.2 | 3,531,905.4 |
| Water Area | 0.0 | 0.1 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Farmingdale, NJ | Deal, NJ | United States |
| Age 0 to 4 | 4.8% | 4.2% | 5.9% |
| Age 5 to 9 | 5.1% | 2.1% | 6.1% |
| Age 10 to 14 | 4.3% | 8.2% | 6.6% |
| Age 15 to 17 | 3.4% | 4.2% | 3.9% |
| Age 18 to 20 | 7.6% | 10.3% | 4.0% |
| Age 21 to 24 | 6.0% | 9.6% | 5.2% |
| Age 25 to 34 | 10.6% | 8.6% | 13.8% |
| Age 35 to 44 | 13.2% | 7.4% | 12.9% |
| Age 45 to 54 | 17.1% | 6.0% | 12.6% |
| Age 55 to 59 | 4.4% | 9.3% | 6.7% |
| Age 60 to 64 | 8.1% | 6.3% | 6.3% |
| Age 65 to 74 | 11.2% | 11.7% | 9.6% |
| Age 75 to 84 | 3.4% | 8.2% | 4.5% |
| Age 85 and over | 0.6% | 3.9% | 1.9% |
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| Race | | | |
| | Farmingdale, NJ | Deal, NJ | United States |
| White | 87.2% | 75.0% | 59.4% |
| Black | 1.4% | 2.5% | 12.2% |
| Asian | 0.0% | 0.0% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.2% | 0.4% |
| Two or More Races | 3.2% | 0.4% | 3.2% |
| Hispanic | 8.2% | 22.1% | 18.4% |
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| Marriage & Family | | | |
| | Farmingdale, NJ | Deal, NJ | United States |
| Married Population | 45.7% | 40.0% | 49.8% |
| Currently Married | 44.2% | 38.7% | 48.0% |
| Married but Separated | 1.5% | 1.2% | 1.8% |
| Single Population | 54.3% | 60.0% | 50.2% |
| Never Married | 35.4% | 38.1% | 33.8% |
| Divorced | 15.2% | 11.5% | 10.8% |
| Widowed | 3.6% | 10.5% | 5.6% |
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| Household Size | 2.39 | 2.42 | 2.60 |
| Households | 538 | 234 | 124,010,992 |
| Family Households | 303 | 136 | 80,755,759 |
| Married couple, w/children | 39.6% | 22.1% | 30.5% |
| Married couple, no children | 41.3% | 41.2% | 42.9% |
| Non Family Households | 235 | 98 | 43,255,233 |
| Single householder, w/children | 12.9% | 14.7% | 15.8% |
| Single householder, no children | 6.3% | 22.1% | 10.8% |