| | Fairfield Beach, OH | Hilliard, OH | United States |
| Population | 1,046 | 35,530 | 329,725,481 |
| Female Population | 50.8% | 51.1% | 50.5% |
| Male Population | 49.2% | 48.9% | 49.5% |
| Median Age | 53.1 | 36.3 | 38.4 |
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| Population - 2010 | 1,380 | 28,331 | 309,327,143 |
| Population - 2000 | 1,163 | 24,230 | 285,036,114 |
| Population - 1990 | 1,084 | 11,796 | 251,960,433 |
| Pop. 2000 to Now | -13.8% | 51.9% | 15.6% |
| Pop. 1990 to Now | -7.5% | 211.9% | 30.8% |
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| Population Density | 1,597.0 | 2,490.4 | 93.4 |
| Land Area | 0.7 | 14.3 | 3,531,905.4 |
| Water Area | 0.3 | 0.2 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Fairfield Beach, OH | Hilliard, OH | United States |
| Age 0 to 4 | 3.2% | 5.8% | 5.9% |
| Age 5 to 9 | 2.8% | 6.8% | 6.1% |
| Age 10 to 14 | 4.8% | 8.2% | 6.6% |
| Age 15 to 17 | 4.1% | 5.3% | 3.9% |
| Age 18 to 20 | 2.0% | 2.3% | 4.0% |
| Age 21 to 24 | 4.2% | 4.5% | 5.2% |
| Age 25 to 34 | 6.6% | 15.0% | 13.8% |
| Age 35 to 44 | 7.9% | 14.8% | 12.9% |
| Age 45 to 54 | 20.8% | 14.0% | 12.6% |
| Age 55 to 59 | 9.4% | 6.3% | 6.7% |
| Age 60 to 64 | 10.3% | 6.5% | 6.3% |
| Age 65 to 74 | 21.3% | 6.5% | 9.6% |
| Age 75 to 84 | 2.6% | 3.0% | 4.5% |
| Age 85 and over | 0.0% | 1.0% | 1.9% |
| space1 | | | |
| Race | | | |
| | Fairfield Beach, OH | Hilliard, OH | United States |
| White | 96.3% | 81.3% | 59.4% |
| Black | 0.0% | 4.4% | 12.2% |
| Asian | 0.0% | 5.8% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.3% | 0.4% |
| Two or More Races | 3.7% | 4.0% | 3.2% |
| Hispanic | 0.0% | 4.1% | 18.4% |
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| Marriage & Family | | | |
| | Fairfield Beach, OH | Hilliard, OH | United States |
| Married Population | 54.0% | 62.5% | 49.8% |
| Currently Married | 49.9% | 61.8% | 48.0% |
| Married but Separated | 4.1% | 0.6% | 1.8% |
| Single Population | 46.0% | 37.5% | 50.2% |
| Never Married | 15.8% | 26.3% | 33.8% |
| Divorced | 21.2% | 7.8% | 10.8% |
| Widowed | 9.0% | 3.4% | 5.6% |
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| Household Size | 2.00 | 2.57 | 2.60 |
| Households | 522 | 13,782 | 124,010,992 |
| Family Households | 274 | 10,116 | 80,755,759 |
| Married couple, w/children | 8.4% | 38.5% | 30.5% |
| Married couple, no children | 67.5% | 44.5% | 42.9% |
| Non Family Households | 248 | 3,666 | 43,255,233 |
| Single householder, w/children | 12.4% | 11.1% | 15.8% |
| Single householder, no children | 11.7% | 5.8% | 10.8% |