| | Monroe, NC | Brunswick, GA | United States |
| Population | 34,464 | 14,774 | 329,725,481 |
| Female Population | 50.3% | 55.3% | 50.5% |
| Male Population | 49.7% | 44.7% | 49.5% |
| Median Age | 35.9 | 36.3 | 38.4 |
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| Population - 2010 | 32,984 | 15,316 | 309,327,143 |
| Population - 2000 | 26,228 | 15,600 | 285,036,114 |
| Population - 1990 | 16,127 | 16,433 | 251,960,433 |
| Pop. 2000 to Now | 36.0% | 4.4% | 15.6% |
| Pop. 1990 to Now | 121.2% | -0.9% | 30.8% |
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| Population Density | 1,157.3 | 866.1 | 93.4 |
| Land Area | 29.8 | 17.1 | 3,531,905.4 |
| Water Area | 0.6 | 8.2 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Monroe, NC | Brunswick, GA | United States |
| Age 0 to 4 | 5.8% | 8.4% | 5.9% |
| Age 5 to 9 | 7.1% | 5.7% | 6.1% |
| Age 10 to 14 | 7.6% | 5.1% | 6.6% |
| Age 15 to 17 | 5.5% | 4.1% | 3.9% |
| Age 18 to 20 | 4.7% | 4.3% | 4.0% |
| Age 21 to 24 | 7.5% | 5.5% | 5.2% |
| Age 25 to 34 | 11.1% | 15.6% | 13.8% |
| Age 35 to 44 | 13.2% | 12.1% | 12.9% |
| Age 45 to 54 | 13.8% | 8.8% | 12.6% |
| Age 55 to 59 | 5.5% | 7.1% | 6.7% |
| Age 60 to 64 | 4.6% | 6.5% | 6.3% |
| Age 65 to 74 | 7.7% | 10.6% | 9.6% |
| Age 75 to 84 | 4.0% | 3.0% | 4.5% |
| Age 85 and over | 2.0% | 3.3% | 1.9% |
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| Race | | | |
| | Monroe, NC | Brunswick, GA | United States |
| White | 44.4% | 31.0% | 59.4% |
| Black | 22.0% | 59.6% | 12.2% |
| Asian | 1.0% | 1.8% | 5.6% |
| Native American | 0.4% | 0.3% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.1% | 0.2% |
| Other | 0.5% | 0.0% | 0.4% |
| Two or More Races | 2.9% | 0.7% | 3.2% |
| Hispanic | 28.8% | 6.3% | 18.4% |
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| Marriage & Family | | | |
| | Monroe, NC | Brunswick, GA | United States |
| Married Population | 48.5% | 26.5% | 49.8% |
| Currently Married | 44.5% | 24.2% | 48.0% |
| Married but Separated | 4.0% | 2.3% | 1.8% |
| Single Population | 51.5% | 73.5% | 50.2% |
| Never Married | 35.7% | 45.8% | 33.8% |
| Divorced | 10.1% | 18.2% | 10.8% |
| Widowed | 5.7% | 9.6% | 5.6% |
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| Household Size | 2.98 | 2.54 | 2.60 |
| Households | 11,398 | 5,616 | 124,010,992 |
| Family Households | 7,919 | 3,226 | 80,755,759 |
| Married couple, w/children | 32.7% | 8.2% | 30.5% |
| Married couple, no children | 35.1% | 29.5% | 42.9% |
| Non Family Households | 3,479 | 2,390 | 43,255,233 |
| Single householder, w/children | 20.7% | 41.8% | 15.8% |
| Single householder, no children | 11.5% | 20.4% | 10.8% |