| | Murraysville, NC | Myrtle Grove, NC | United States |
| Population | 15,976 | 11,672 | 329,725,481 |
| Female Population | 50.3% | 51.5% | 50.5% |
| Male Population | 49.7% | 48.5% | 49.5% |
| Median Age | 36.6 | 40.9 | 38.4 |
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| Population - 2010 | 13,293 | 8,628 | 309,327,143 |
| Population - 2000 | 7,279 | 7,125 | 285,036,114 |
| Population - 1990 | 2,507 | 4,275 | 251,960,433 |
| Pop. 2000 to Now | 123.7% | 60.4% | 15.6% |
| Pop. 1990 to Now | 549.4% | 167.4% | 30.8% |
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| Population Density | 1,854.4 | 1,740.5 | 93.4 |
| Land Area | 8.6 | 6.7 | 3,531,905.4 |
| Water Area | 0.1 | 0.5 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Murraysville, NC | Myrtle Grove, NC | United States |
| Age 0 to 4 | 5.5% | 6.0% | 5.9% |
| Age 5 to 9 | 4.9% | 7.9% | 6.1% |
| Age 10 to 14 | 5.3% | 6.9% | 6.6% |
| Age 15 to 17 | 5.2% | 3.7% | 3.9% |
| Age 18 to 20 | 2.5% | 3.3% | 4.0% |
| Age 21 to 24 | 10.8% | 1.9% | 5.2% |
| Age 25 to 34 | 13.7% | 9.0% | 13.8% |
| Age 35 to 44 | 14.9% | 17.2% | 12.9% |
| Age 45 to 54 | 16.0% | 13.4% | 12.6% |
| Age 55 to 59 | 5.5% | 6.2% | 6.7% |
| Age 60 to 64 | 4.9% | 9.2% | 6.3% |
| Age 65 to 74 | 7.1% | 10.2% | 9.6% |
| Age 75 to 84 | 3.1% | 4.2% | 4.5% |
| Age 85 and over | 0.6% | 0.9% | 1.9% |
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| Race | | | |
| | Murraysville, NC | Myrtle Grove, NC | United States |
| White | 74.6% | 92.8% | 59.4% |
| Black | 10.0% | 2.8% | 12.2% |
| Asian | 1.7% | 0.2% | 5.6% |
| Native American | 0.1% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 5.2% | 2.3% | 3.2% |
| Hispanic | 8.5% | 1.8% | 18.4% |
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| Marriage & Family | | | |
| | Murraysville, NC | Myrtle Grove, NC | United States |
| Married Population | 51.8% | 70.0% | 49.8% |
| Currently Married | 50.6% | 68.0% | 48.0% |
| Married but Separated | 1.3% | 1.9% | 1.8% |
| Single Population | 48.2% | 30.1% | 50.2% |
| Never Married | 32.4% | 18.3% | 33.8% |
| Divorced | 11.7% | 8.2% | 10.8% |
| Widowed | 4.1% | 3.6% | 5.6% |
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| Household Size | 2.29 | 2.67 | 2.60 |
| Households | 6,979 | 4,341 | 124,010,992 |
| Family Households | 4,108 | 3,467 | 80,755,759 |
| Married couple, w/children | 35.5% | 36.4% | 30.5% |
| Married couple, no children | 39.2% | 49.8% | 42.9% |
| Non Family Households | 2,871 | 874 | 43,255,233 |
| Single householder, w/children | 16.7% | 9.5% | 15.8% |
| Single householder, no children | 8.6% | 4.2% | 10.8% |