| | Syracuse, IN | Arab, AL | United States |
| Population | 3,069 | 8,462 | 329,725,481 |
| Female Population | 49.7% | 50.2% | 50.5% |
| Male Population | 50.3% | 49.8% | 49.5% |
| Median Age | 44.8 | 40.6 | 38.4 |
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| Population - 2010 | 2,857 | 8,102 | 309,327,143 |
| Population - 2000 | 3,038 | 7,174 | 285,036,114 |
| Population - 1990 | 2,729 | 6,321 | 251,960,433 |
| Pop. 2000 to Now | -6.0% | 17.2% | 15.6% |
| Pop. 1990 to Now | 4.7% | 33.0% | 30.8% |
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| Population Density | 1,555.5 | 635.1 | 93.4 |
| Land Area | 2.0 | 13.3 | 3,531,905.4 |
| Water Area | 0.4 | 0.1 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Syracuse, IN | Arab, AL | United States |
| Age 0 to 4 | 3.3% | 6.1% | 5.9% |
| Age 5 to 9 | 2.7% | 6.1% | 6.1% |
| Age 10 to 14 | 7.1% | 7.1% | 6.6% |
| Age 15 to 17 | 6.7% | 5.0% | 3.9% |
| Age 18 to 20 | 4.7% | 3.2% | 4.0% |
| Age 21 to 24 | 3.8% | 3.9% | 5.2% |
| Age 25 to 34 | 11.8% | 11.6% | 13.8% |
| Age 35 to 44 | 10.7% | 12.7% | 12.9% |
| Age 45 to 54 | 13.6% | 13.1% | 12.6% |
| Age 55 to 59 | 7.4% | 7.1% | 6.7% |
| Age 60 to 64 | 11.0% | 6.8% | 6.3% |
| Age 65 to 74 | 11.2% | 9.5% | 9.6% |
| Age 75 to 84 | 4.1% | 6.0% | 4.5% |
| Age 85 and over | 2.0% | 1.9% | 1.9% |
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| Race | | | |
| | Syracuse, IN | Arab, AL | United States |
| White | 84.0% | 90.5% | 59.4% |
| Black | 0.4% | 1.0% | 12.2% |
| Asian | 0.3% | 1.7% | 5.6% |
| Native American | 0.0% | 0.3% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 7.9% | 0.0% | 0.4% |
| Two or More Races | 0.7% | 1.6% | 3.2% |
| Hispanic | 6.7% | 4.8% | 18.4% |
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| Marriage & Family | | | |
| | Syracuse, IN | Arab, AL | United States |
| Married Population | 45.1% | 52.6% | 49.8% |
| Currently Married | 45.1% | 50.8% | 48.0% |
| Married but Separated | 0.0% | 1.9% | 1.8% |
| Single Population | 54.9% | 47.4% | 50.2% |
| Never Married | 28.1% | 23.2% | 33.8% |
| Divorced | 16.5% | 14.8% | 10.8% |
| Widowed | 10.3% | 9.3% | 5.6% |
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| Household Size | 2.31 | 2.55 | 2.60 |
| Households | 1,327 | 3,280 | 124,010,992 |
| Family Households | 793 | 2,133 | 80,755,759 |
| Married couple, w/children | 21.8% | 33.1% | 30.5% |
| Married couple, no children | 39.0% | 41.2% | 42.9% |
| Non Family Households | 534 | 1,147 | 43,255,233 |
| Single householder, w/children | 16.8% | 16.2% | 15.8% |
| Single householder, no children | 22.4% | 9.6% | 10.8% |