| | Middlesex, NC | Broadway, NC | United States |
| Population | 1,141 | 1,316 | 329,725,481 |
| Female Population | 52.7% | 52.3% | 50.5% |
| Male Population | 47.3% | 47.7% | 49.5% |
| Median Age | 34 | 50.2 | 38.4 |
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| Population - 2010 | 829 | 1,206 | 309,327,143 |
| Population - 2000 | 838 | 1,015 | 285,036,114 |
| Population - 1990 | 730 | 973 | 251,960,433 |
| Pop. 2000 to Now | -0.5% | 27.6% | 15.6% |
| Pop. 1990 to Now | 14.3% | 33.1% | 30.8% |
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| Population Density | 1,091.9 | 1,017.0 | 93.4 |
| Land Area | 1.0 | 1.3 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Middlesex, NC | Broadway, NC | United States |
| Age 0 to 4 | 8.2% | 2.9% | 5.9% |
| Age 5 to 9 | 6.7% | 7.8% | 6.1% |
| Age 10 to 14 | 5.1% | 4.1% | 6.6% |
| Age 15 to 17 | 9.2% | 3.6% | 3.9% |
| Age 18 to 20 | 4.0% | 2.2% | 4.0% |
| Age 21 to 24 | 4.8% | 3.3% | 5.2% |
| Age 25 to 34 | 14.4% | 6.2% | 13.8% |
| Age 35 to 44 | 10.3% | 12.4% | 12.9% |
| Age 45 to 54 | 15.7% | 13.3% | 12.6% |
| Age 55 to 59 | 9.0% | 4.3% | 6.7% |
| Age 60 to 64 | 2.5% | 9.7% | 6.3% |
| Age 65 to 74 | 6.6% | 23.8% | 9.6% |
| Age 75 to 84 | 2.8% | 4.6% | 4.5% |
| Age 85 and over | 0.7% | 1.7% | 1.9% |
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| Race | | | |
| | Middlesex, NC | Broadway, NC | United States |
| White | 55.5% | 85.9% | 59.4% |
| Black | 30.6% | 6.0% | 12.2% |
| Asian | 0.0% | 0.3% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.8% | 0.4% |
| Two or More Races | 2.0% | 1.1% | 3.2% |
| Hispanic | 11.9% | 6.0% | 18.4% |
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| Marriage & Family | | | |
| | Middlesex, NC | Broadway, NC | United States |
| Married Population | 34.0% | 50.7% | 49.8% |
| Currently Married | 30.0% | 50.2% | 48.0% |
| Married but Separated | 3.9% | 0.4% | 1.8% |
| Single Population | 66.0% | 49.3% | 50.2% |
| Never Married | 38.1% | 23.3% | 33.8% |
| Divorced | 17.0% | 18.6% | 10.8% |
| Widowed | 11.0% | 7.4% | 5.6% |
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| Household Size | 2.44 | 2.17 | 2.60 |
| Households | 467 | 604 | 124,010,992 |
| Family Households | 291 | 391 | 80,755,759 |
| Married couple, w/children | 15.1% | 16.9% | 30.5% |
| Married couple, no children | 25.1% | 54.0% | 42.9% |
| Non Family Households | 176 | 213 | 43,255,233 |
| Single householder, w/children | 47.1% | 21.0% | 15.8% |
| Single householder, no children | 12.7% | 8.2% | 10.8% |