| | West Monroe, LA | Hamilton, OH | United States |
| Population | 13,103 | 63,127 | 329,725,481 |
| Female Population | 56.2% | 51.4% | 50.5% |
| Male Population | 43.9% | 48.6% | 49.5% |
| Median Age | 38.9 | 35.3 | 38.4 |
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| Population - 2010 | 13,098 | 62,309 | 309,327,143 |
| Population - 2000 | 13,250 | 60,690 | 285,036,114 |
| Population - 1990 | 14,096 | 61,368 | 251,960,433 |
| Pop. 2000 to Now | -8.8% | 2.4% | 15.6% |
| Pop. 1990 to Now | -14.3% | 1.3% | 30.8% |
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| Population Density | 1,633.2 | 2,943.0 | 93.4 |
| Land Area | 8.0 | 21.5 | 3,531,905.4 |
| Water Area | 0.3 | 0.4 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | West Monroe, LA | Hamilton, OH | United States |
| Age 0 to 4 | 5.8% | 6.5% | 5.9% |
| Age 5 to 9 | 6.2% | 7.6% | 6.1% |
| Age 10 to 14 | 5.3% | 6.8% | 6.6% |
| Age 15 to 17 | 3.1% | 3.3% | 3.9% |
| Age 18 to 20 | 3.6% | 4.2% | 4.0% |
| Age 21 to 24 | 4.3% | 6.5% | 5.2% |
| Age 25 to 34 | 18.6% | 14.6% | 13.8% |
| Age 35 to 44 | 11.4% | 12.6% | 12.9% |
| Age 45 to 54 | 12.9% | 10.5% | 12.6% |
| Age 55 to 59 | 5.2% | 6.7% | 6.7% |
| Age 60 to 64 | 6.2% | 6.0% | 6.3% |
| Age 65 to 74 | 7.8% | 8.7% | 9.6% |
| Age 75 to 84 | 7.6% | 4.5% | 4.5% |
| Age 85 and over | 2.1% | 1.5% | 1.9% |
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| Race | | | |
| | West Monroe, LA | Hamilton, OH | United States |
| White | 53.6% | 77.5% | 59.4% |
| Black | 40.3% | 7.7% | 12.2% |
| Asian | 1.1% | 0.6% | 5.6% |
| Native American | 0.6% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.2% | 0.2% |
| Other | 0.0% | 0.3% | 0.4% |
| Two or More Races | 0.5% | 5.1% | 3.2% |
| Hispanic | 3.9% | 8.5% | 18.4% |
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| Marriage & Family | | | |
| | West Monroe, LA | Hamilton, OH | United States |
| Married Population | 37.3% | 40.7% | 49.8% |
| Currently Married | 35.3% | 37.9% | 48.0% |
| Married but Separated | 2.0% | 2.8% | 1.8% |
| Single Population | 62.7% | 59.3% | 50.2% |
| Never Married | 40.9% | 36.5% | 33.8% |
| Divorced | 15.0% | 16.1% | 10.8% |
| Widowed | 6.7% | 6.7% | 5.6% |
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| Household Size | 2.35 | 2.51 | 2.60 |
| Households | 5,443 | 24,457 | 124,010,992 |
| Family Households | 3,005 | 14,636 | 80,755,759 |
| Married couple, w/children | 19.7% | 26.4% | 30.5% |
| Married couple, no children | 35.3% | 33.1% | 42.9% |
| Non Family Households | 2,438 | 9,821 | 43,255,233 |
| Single householder, w/children | 29.8% | 26.8% | 15.8% |
| Single householder, no children | 15.2% | 13.7% | 10.8% |