| | Jackson, MS | Baton Rouge, LA | United States |
| Population | 156,803 | 225,539 | 329,725,481 |
| Female Population | 53.8% | 52.4% | 50.5% |
| Male Population | 46.2% | 47.6% | 49.5% |
| Median Age | 33.5 | 32.1 | 38.4 |
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| Population - 2010 | 173,703 | 229,239 | 309,327,143 |
| Population - 2000 | 184,256 | 227,818 | 285,036,114 |
| Population - 1990 | 196,637 | 219,531 | 251,960,433 |
| Pop. 2000 to Now | -14.4% | -3.9% | 15.6% |
| Pop. 1990 to Now | -19.7% | -0.2% | 30.8% |
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| Population Density | 1,411.8 | 2,609.8 | 93.4 |
| Land Area | 111.1 | 86.4 | 3,531,905.4 |
| Water Area | 2.2 | 2.2 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Jackson, MS | Baton Rouge, LA | United States |
| Age 0 to 4 | 7.0% | 6.7% | 5.9% |
| Age 5 to 9 | 6.3% | 5.9% | 6.1% |
| Age 10 to 14 | 7.3% | 5.0% | 6.6% |
| Age 15 to 17 | 3.9% | 3.7% | 3.9% |
| Age 18 to 20 | 5.4% | 7.4% | 4.0% |
| Age 21 to 24 | 6.5% | 9.8% | 5.2% |
| Age 25 to 34 | 15.6% | 14.8% | 13.8% |
| Age 35 to 44 | 11.7% | 10.7% | 12.9% |
| Age 45 to 54 | 11.0% | 10.1% | 12.6% |
| Age 55 to 59 | 5.8% | 5.8% | 6.7% |
| Age 60 to 64 | 6.3% | 5.8% | 6.3% |
| Age 65 to 74 | 8.3% | 8.3% | 9.6% |
| Age 75 to 84 | 3.5% | 4.0% | 4.5% |
| Age 85 and over | 1.4% | 1.9% | 1.9% |
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| Race | | | |
| | Jackson, MS | Baton Rouge, LA | United States |
| White | 14.5% | 35.6% | 59.4% |
| Black | 82.6% | 53.2% | 12.2% |
| Asian | 0.3% | 3.7% | 5.6% |
| Native American | 0.1% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.1% | 0.3% | 0.4% |
| Two or More Races | 0.9% | 2.9% | 3.2% |
| Hispanic | 1.5% | 4.1% | 18.4% |
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| Marriage & Family | | | |
| | Jackson, MS | Baton Rouge, LA | United States |
| Married Population | 34.0% | 32.6% | 49.8% |
| Currently Married | 30.0% | 30.5% | 48.0% |
| Married but Separated | 4.1% | 2.1% | 1.8% |
| Single Population | 66.0% | 67.4% | 50.2% |
| Never Married | 48.2% | 50.7% | 33.8% |
| Divorced | 11.8% | 10.8% | 10.8% |
| Widowed | 6.0% | 5.9% | 5.6% |
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| Household Size | 2.42 | 2.54 | 2.60 |
| Households | 61,942 | 85,617 | 124,010,992 |
| Family Households | 35,647 | 46,135 | 80,755,759 |
| Married couple, w/children | 18.2% | 20.4% | 30.5% |
| Married couple, no children | 28.8% | 35.0% | 42.9% |
| Non Family Households | 26,295 | 39,482 | 43,255,233 |
| Single householder, w/children | 33.2% | 25.8% | 15.8% |
| Single householder, no children | 19.8% | 18.9% | 10.8% |