| | Decatur, MI | Lumberton, NC | United States |
| Population | 2,042 | 19,186 | 329,725,481 |
| Female Population | 45.8% | 52.1% | 50.5% |
| Male Population | 54.2% | 47.9% | 49.5% |
| Median Age | 37 | 35.9 | 38.4 |
| space3 | | | |
| Population - 2010 | 1,807 | 21,584 | 309,327,143 |
| Population - 2000 | 1,838 | 20,795 | 285,036,114 |
| Population - 1990 | 1,760 | 18,601 | 251,960,433 |
| Pop. 2000 to Now | -6.6% | -2.7% | 15.6% |
| Pop. 1990 to Now | -2.5% | 8.8% | 30.8% |
| space4 | | | |
| Population Density | 1,511.5 | 1,082.4 | 93.4 |
| Land Area | 1.4 | 17.7 | 3,531,905.4 |
| Water Area | 0.1 | 0.1 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Decatur, MI | Lumberton, NC | United States |
| Age 0 to 4 | 5.8% | 7.9% | 5.9% |
| Age 5 to 9 | 6.7% | 7.6% | 6.1% |
| Age 10 to 14 | 8.9% | 7.6% | 6.6% |
| Age 15 to 17 | 2.9% | 4.8% | 3.9% |
| Age 18 to 20 | 6.9% | 3.6% | 4.0% |
| Age 21 to 24 | 4.1% | 4.3% | 5.2% |
| Age 25 to 34 | 12.6% | 13.1% | 13.8% |
| Age 35 to 44 | 11.0% | 12.4% | 12.9% |
| Age 45 to 54 | 11.5% | 10.9% | 12.6% |
| Age 55 to 59 | 9.3% | 5.1% | 6.7% |
| Age 60 to 64 | 4.9% | 6.5% | 6.3% |
| Age 65 to 74 | 10.7% | 8.6% | 9.6% |
| Age 75 to 84 | 2.8% | 4.9% | 4.5% |
| Age 85 and over | 2.0% | 2.7% | 1.9% |
| space1 | | | |
| Race | | | |
| | Decatur, MI | Lumberton, NC | United States |
| White | 76.7% | 37.2% | 59.4% |
| Black | 2.4% | 35.3% | 12.2% |
| Asian | 1.5% | 1.6% | 5.6% |
| Native American | 0.6% | 13.4% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.2% | 0.4% |
| Two or More Races | 6.9% | 2.2% | 3.2% |
| Hispanic | 11.9% | 10.0% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Decatur, MI | Lumberton, NC | United States |
| Married Population | 44.2% | 35.4% | 49.8% |
| Currently Married | 43.2% | 32.5% | 48.0% |
| Married but Separated | 0.9% | 2.9% | 1.8% |
| Single Population | 55.8% | 64.6% | 50.2% |
| Never Married | 32.0% | 42.3% | 33.8% |
| Divorced | 14.1% | 12.8% | 10.8% |
| Widowed | 9.8% | 9.6% | 5.6% |
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| Household Size | 2.40 | 2.58 | 2.60 |
| Households | 839 | 6,893 | 124,010,992 |
| Family Households | 481 | 4,114 | 80,755,759 |
| Married couple, w/children | 37.0% | 23.7% | 30.5% |
| Married couple, no children | 29.7% | 28.5% | 42.9% |
| Non Family Households | 358 | 2,779 | 43,255,233 |
| Single householder, w/children | 21.0% | 32.3% | 15.8% |
| Single householder, no children | 12.3% | 15.5% | 10.8% |