| | Weddington, NC | Indian Trail, NC | United States |
| Population | 12,851 | 39,603 | 329,725,481 |
| Female Population | 50.8% | 51.9% | 50.5% |
| Male Population | 49.2% | 48.1% | 49.5% |
| Median Age | 43.9 | 35.4 | 38.4 |
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| Population - 2010 | 9,565 | 33,762 | 309,327,143 |
| Population - 2000 | 6,696 | 11,905 | 285,036,114 |
| Population - 1990 | 3,803 | 1,942 | 251,960,433 |
| Pop. 2000 to Now | 70.1% | 244.7% | 15.6% |
| Pop. 1990 to Now | 199.5% | 2,013.3% | 30.8% |
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| Population Density | 734.8 | 1,789.5 | 93.4 |
| Land Area | 17.5 | 22.1 | 3,531,905.4 |
| Water Area | 0.4 | 0.2 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Weddington, NC | Indian Trail, NC | United States |
| Age 0 to 4 | 4.8% | 7.3% | 5.9% |
| Age 5 to 9 | 7.8% | 7.3% | 6.1% |
| Age 10 to 14 | 10.0% | 8.5% | 6.6% |
| Age 15 to 17 | 6.8% | 5.0% | 3.9% |
| Age 18 to 20 | 2.7% | 5.2% | 4.0% |
| Age 21 to 24 | 2.5% | 4.5% | 5.2% |
| Age 25 to 34 | 5.2% | 12.0% | 13.8% |
| Age 35 to 44 | 12.3% | 15.0% | 12.9% |
| Age 45 to 54 | 21.7% | 14.8% | 12.6% |
| Age 55 to 59 | 8.8% | 6.3% | 6.7% |
| Age 60 to 64 | 5.6% | 5.0% | 6.3% |
| Age 65 to 74 | 6.8% | 6.8% | 9.6% |
| Age 75 to 84 | 4.4% | 2.0% | 4.5% |
| Age 85 and over | 0.6% | 0.5% | 1.9% |
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| Race | | | |
| | Weddington, NC | Indian Trail, NC | United States |
| White | 80.6% | 72.9% | 59.4% |
| Black | 5.6% | 9.2% | 12.2% |
| Asian | 5.6% | 2.5% | 5.6% |
| Native American | 0.0% | 0.3% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.6% | 0.1% | 0.4% |
| Two or More Races | 3.0% | 4.0% | 3.2% |
| Hispanic | 4.6% | 11.1% | 18.4% |
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| Marriage & Family | | | |
| | Weddington, NC | Indian Trail, NC | United States |
| Married Population | 73.5% | 62.8% | 49.8% |
| Currently Married | 73.0% | 61.1% | 48.0% |
| Married but Separated | 0.6% | 1.7% | 1.8% |
| Single Population | 26.5% | 37.2% | 50.2% |
| Never Married | 20.0% | 25.9% | 33.8% |
| Divorced | 4.8% | 7.9% | 10.8% |
| Widowed | 1.7% | 3.4% | 5.6% |
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| Household Size | 3.08 | 3.12 | 2.60 |
| Households | 4,179 | 12,696 | 124,010,992 |
| Family Households | 3,785 | 10,441 | 80,755,759 |
| Married couple, w/children | 52.9% | 46.7% | 30.5% |
| Married couple, no children | 42.1% | 35.6% | 42.9% |
| Non Family Households | 394 | 2,255 | 43,255,233 |
| Single householder, w/children | 2.2% | 11.2% | 15.8% |
| Single householder, no children | 2.8% | 6.5% | 10.8% |