| | Matthews, NC | Buford, GA | United States |
| Population | 29,417 | 16,811 | 329,725,481 |
| Female Population | 50.8% | 51.2% | 50.5% |
| Male Population | 49.3% | 48.8% | 49.5% |
| Median Age | 39.5 | 36.3 | 38.4 |
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| Population - 2010 | 27,299 | 12,543 | 309,327,143 |
| Population - 2000 | 22,127 | 10,668 | 285,036,114 |
| Population - 1990 | 13,651 | 8,771 | 251,960,433 |
| Pop. 2000 to Now | 52.4% | 47.6% | 15.6% |
| Pop. 1990 to Now | 147.0% | 79.6% | 30.8% |
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| Population Density | 1,719.0 | 958.8 | 93.4 |
| Land Area | 17.1 | 17.5 | 3,531,905.4 |
| Water Area | 0.1 | 0.1 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Matthews, NC | Buford, GA | United States |
| Age 0 to 4 | 7.0% | 6.5% | 5.9% |
| Age 5 to 9 | 5.1% | 10.4% | 6.1% |
| Age 10 to 14 | 6.1% | 7.9% | 6.6% |
| Age 15 to 17 | 3.6% | 6.7% | 3.9% |
| Age 18 to 20 | 3.4% | 5.2% | 4.0% |
| Age 21 to 24 | 4.7% | 3.2% | 5.2% |
| Age 25 to 34 | 14.9% | 7.9% | 13.8% |
| Age 35 to 44 | 11.3% | 16.5% | 12.9% |
| Age 45 to 54 | 13.7% | 13.7% | 12.6% |
| Age 55 to 59 | 6.8% | 3.2% | 6.7% |
| Age 60 to 64 | 6.0% | 5.5% | 6.3% |
| Age 65 to 74 | 8.9% | 6.1% | 9.6% |
| Age 75 to 84 | 5.7% | 4.9% | 4.5% |
| Age 85 and over | 2.8% | 2.3% | 1.9% |
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| Race | | | |
| | Matthews, NC | Buford, GA | United States |
| White | 72.8% | 45.0% | 59.4% |
| Black | 11.4% | 12.8% | 12.2% |
| Asian | 4.5% | 3.4% | 5.6% |
| Native American | 0.3% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.1% | 0.0% | 0.4% |
| Two or More Races | 3.1% | 3.5% | 3.2% |
| Hispanic | 7.8% | 35.2% | 18.4% |
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| Marriage & Family | | | |
| | Matthews, NC | Buford, GA | United States |
| Married Population | 59.0% | 52.3% | 49.8% |
| Currently Married | 57.1% | 49.4% | 48.0% |
| Married but Separated | 1.9% | 2.9% | 1.8% |
| Single Population | 41.0% | 47.7% | 50.2% |
| Never Married | 27.8% | 30.7% | 33.8% |
| Divorced | 8.2% | 8.8% | 10.8% |
| Widowed | 5.0% | 8.1% | 5.6% |
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| Household Size | 2.67 | 3.33 | 2.60 |
| Households | 10,909 | 4,998 | 124,010,992 |
| Family Households | 8,011 | 3,681 | 80,755,759 |
| Married couple, w/children | 33.6% | 44.1% | 30.5% |
| Married couple, no children | 47.8% | 31.8% | 42.9% |
| Non Family Households | 2,898 | 1,317 | 43,255,233 |
| Single householder, w/children | 9.7% | 13.5% | 15.8% |
| Single householder, no children | 8.9% | 10.5% | 10.8% |