| | Adairville, KY | East Prospect, PA | United States |
| Population | 803 | 820 | 329,725,481 |
| Female Population | 57.2% | 47.7% | 50.5% |
| Male Population | 42.8% | 52.3% | 49.5% |
| Median Age | 43.4 | 36.3 | 38.4 |
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| Population - 2010 | 903 | 873 | 309,327,143 |
| Population - 2000 | 920 | 678 | 285,036,114 |
| Population - 1990 | 906 | 558 | 251,960,433 |
| Pop. 2000 to Now | -2.8% | 34.5% | 15.6% |
| Pop. 1990 to Now | -1.3% | 63.4% | 30.8% |
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| Population Density | 683.4 | 2,562.5 | 93.4 |
| Land Area | 1.2 | 0.3 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Adairville, KY | East Prospect, PA | United States |
| Age 0 to 4 | 3.9% | 4.8% | 5.9% |
| Age 5 to 9 | 5.4% | 9.1% | 6.1% |
| Age 10 to 14 | 10.5% | 13.0% | 6.6% |
| Age 15 to 17 | 3.6% | 3.8% | 3.9% |
| Age 18 to 20 | 4.4% | 1.0% | 4.0% |
| Age 21 to 24 | 5.4% | 2.1% | 5.2% |
| Age 25 to 34 | 10.8% | 14.6% | 13.8% |
| Age 35 to 44 | 8.8% | 16.7% | 12.9% |
| Age 45 to 54 | 7.0% | 9.8% | 12.6% |
| Age 55 to 59 | 12.3% | 5.5% | 6.7% |
| Age 60 to 64 | 4.1% | 7.3% | 6.3% |
| Age 65 to 74 | 10.5% | 8.7% | 9.6% |
| Age 75 to 84 | 7.7% | 3.2% | 4.5% |
| Age 85 and over | 5.7% | 0.5% | 1.9% |
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| Race | | | |
| | Adairville, KY | East Prospect, PA | United States |
| White | 76.2% | 89.8% | 59.4% |
| Black | 12.3% | 2.3% | 12.2% |
| Asian | 1.2% | 0.0% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 3.7% | 3.4% | 3.2% |
| Hispanic | 6.5% | 4.5% | 18.4% |
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| Marriage & Family | | | |
| | Adairville, KY | East Prospect, PA | United States |
| Married Population | 49.3% | 60.9% | 49.8% |
| Currently Married | 48.4% | 57.3% | 48.0% |
| Married but Separated | 0.9% | 3.7% | 1.8% |
| Single Population | 50.7% | 39.1% | 50.2% |
| Never Married | 27.1% | 25.2% | 33.8% |
| Divorced | 16.7% | 11.9% | 10.8% |
| Widowed | 6.8% | 2.0% | 5.6% |
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| Household Size | 2.38 | 2.72 | 2.60 |
| Households | 337 | 302 | 124,010,992 |
| Family Households | 213 | 219 | 80,755,759 |
| Married couple, w/children | 17.4% | 39.7% | 30.5% |
| Married couple, no children | 54.5% | 36.5% | 42.9% |
| Non Family Households | 124 | 83 | 43,255,233 |
| Single householder, w/children | 9.9% | 16.0% | 15.8% |
| Single householder, no children | 18.3% | 7.8% | 10.8% |