| | Baton Rouge, LA | Villa Rica, GA | United States |
| Population | 225,539 | 16,863 | 329,725,481 |
| Female Population | 52.4% | 54.3% | 50.5% |
| Male Population | 47.6% | 45.8% | 49.5% |
| Median Age | 32.1 | 34.2 | 38.4 |
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| Population - 2010 | 229,239 | 14,086 | 309,327,143 |
| Population - 2000 | 227,818 | 4,134 | 285,036,114 |
| Population - 1990 | 219,531 | 6,542 | 251,960,433 |
| Pop. 2000 to Now | -3.9% | 306.3% | 15.6% |
| Pop. 1990 to Now | -0.2% | 156.7% | 30.8% |
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| Population Density | 2,609.8 | 1,198.5 | 93.4 |
| Land Area | 86.4 | 14.1 | 3,531,905.4 |
| Water Area | 2.2 | 0.1 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Baton Rouge, LA | Villa Rica, GA | United States |
| Age 0 to 4 | 6.7% | 6.3% | 5.9% |
| Age 5 to 9 | 5.9% | 6.3% | 6.1% |
| Age 10 to 14 | 5.0% | 8.1% | 6.6% |
| Age 15 to 17 | 3.7% | 7.1% | 3.9% |
| Age 18 to 20 | 7.4% | 3.8% | 4.0% |
| Age 21 to 24 | 9.8% | 4.0% | 5.2% |
| Age 25 to 34 | 14.8% | 15.1% | 13.8% |
| Age 35 to 44 | 10.7% | 15.8% | 12.9% |
| Age 45 to 54 | 10.1% | 13.4% | 12.6% |
| Age 55 to 59 | 5.8% | 5.4% | 6.7% |
| Age 60 to 64 | 5.8% | 4.5% | 6.3% |
| Age 65 to 74 | 8.3% | 7.1% | 9.6% |
| Age 75 to 84 | 4.0% | 2.8% | 4.5% |
| Age 85 and over | 1.9% | 0.3% | 1.9% |
| space1 | | | |
| Race | | | |
| | Baton Rouge, LA | Villa Rica, GA | United States |
| White | 35.6% | 41.5% | 59.4% |
| Black | 53.2% | 42.2% | 12.2% |
| Asian | 3.7% | 3.6% | 5.6% |
| Native American | 0.2% | 0.3% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.3% | 0.5% | 0.4% |
| Two or More Races | 2.9% | 3.8% | 3.2% |
| Hispanic | 4.1% | 8.2% | 18.4% |
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| Marriage & Family | | | |
| | Baton Rouge, LA | Villa Rica, GA | United States |
| Married Population | 32.6% | 46.4% | 49.8% |
| Currently Married | 30.5% | 44.3% | 48.0% |
| Married but Separated | 2.1% | 2.1% | 1.8% |
| Single Population | 67.4% | 53.6% | 50.2% |
| Never Married | 50.7% | 36.2% | 33.8% |
| Divorced | 10.8% | 13.1% | 10.8% |
| Widowed | 5.9% | 4.3% | 5.6% |
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| Household Size | 2.54 | 2.93 | 2.60 |
| Households | 85,617 | 5,753 | 124,010,992 |
| Family Households | 46,135 | 4,384 | 80,755,759 |
| Married couple, w/children | 20.4% | 34.9% | 30.5% |
| Married couple, no children | 35.0% | 28.8% | 42.9% |
| Non Family Households | 39,482 | 1,369 | 43,255,233 |
| Single householder, w/children | 25.8% | 26.9% | 15.8% |
| Single householder, no children | 18.9% | 9.4% | 10.8% |