| | Arcadia, OK | Jacksonville, AL | United States |
| Population | 154 | 13,076 | 329,725,481 |
| Female Population | 40.9% | 52.3% | 50.5% |
| Male Population | 59.1% | 47.7% | 49.5% |
| Median Age | 52.8 | 30.8 | 38.4 |
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| Population - 2010 | 247 | 13,209 | 309,327,143 |
| Population - 2000 | 279 | 8,404 | 285,036,114 |
| Population - 1990 | 320 | 10,283 | 251,960,433 |
| Pop. 2000 to Now | -0.7% | 54.4% | 15.6% |
| Pop. 1990 to Now | -13.4% | 26.2% | 30.8% |
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| Population Density | 101.5 | 1,193.9 | 93.4 |
| Land Area | 1.5 | 11.0 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Arcadia, OK | Jacksonville, AL | United States |
| Age 0 to 4 | 3.2% | 5.1% | 5.9% |
| Age 5 to 9 | 2.6% | 4.0% | 6.1% |
| Age 10 to 14 | 5.8% | 3.8% | 6.6% |
| Age 15 to 17 | 2.6% | 1.8% | 3.9% |
| Age 18 to 20 | 0.0% | 15.4% | 4.0% |
| Age 21 to 24 | 1.3% | 11.0% | 5.2% |
| Age 25 to 34 | 11.7% | 14.4% | 13.8% |
| Age 35 to 44 | 8.4% | 10.5% | 12.9% |
| Age 45 to 54 | 17.5% | 6.9% | 12.6% |
| Age 55 to 59 | 3.2% | 5.8% | 6.7% |
| Age 60 to 64 | 9.7% | 8.5% | 6.3% |
| Age 65 to 74 | 16.9% | 6.8% | 9.6% |
| Age 75 to 84 | 11.7% | 5.1% | 4.5% |
| Age 85 and over | 5.2% | 1.1% | 1.9% |
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| Race | | | |
| | Arcadia, OK | Jacksonville, AL | United States |
| White | 35.1% | 71.8% | 59.4% |
| Black | 53.2% | 19.3% | 12.2% |
| Asian | 0.0% | 0.5% | 5.6% |
| Native American | 0.0% | 0.4% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.1% | 0.2% |
| Other | 0.0% | 0.4% | 0.4% |
| Two or More Races | 11.7% | 2.4% | 3.2% |
| Hispanic | 0.0% | 5.0% | 18.4% |
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| Marriage & Family | | | |
| | Arcadia, OK | Jacksonville, AL | United States |
| Married Population | 21.3% | 31.1% | 49.8% |
| Currently Married | 19.9% | 29.3% | 48.0% |
| Married but Separated | 1.5% | 1.8% | 1.8% |
| Single Population | 78.7% | 68.9% | 50.2% |
| Never Married | 43.4% | 51.8% | 33.8% |
| Divorced | 22.1% | 12.1% | 10.8% |
| Widowed | 13.2% | 5.0% | 5.6% |
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| Household Size | 1.79 | 2.24 | 2.60 |
| Households | 86 | 5,124 | 124,010,992 |
| Family Households | 32 | 2,461 | 80,755,759 |
| Married couple, w/children | 9.4% | 25.6% | 30.5% |
| Married couple, no children | 28.1% | 36.1% | 42.9% |
| Non Family Households | 54 | 2,663 | 43,255,233 |
| Single householder, w/children | 25.0% | 17.7% | 15.8% |
| Single householder, no children | 37.5% | 20.6% | 10.8% |