| | Allendale, MI | New Bern, NC | United States |
| Population | 23,999 | 31,058 | 329,725,481 |
| Female Population | 55.2% | 52.6% | 50.5% |
| Male Population | 44.8% | 47.4% | 49.5% |
| Median Age | 21.4 | 40.5 | 38.4 |
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| Population - 2010 | 16,652 | 29,505 | 309,327,143 |
| Population - 2000 | 11,555 | 23,128 | 285,036,114 |
| Population - 1990 | 6,950 | 17,363 | 251,960,433 |
| Pop. 2000 to Now | 82.3% | 29.5% | 15.6% |
| Pop. 1990 to Now | 203.0% | 72.4% | 30.8% |
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| Population Density | 1,056.0 | 1,098.2 | 93.4 |
| Land Area | 22.7 | 28.3 | 3,531,905.4 |
| Water Area | 0.9 | 1.5 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Allendale, MI | New Bern, NC | United States |
| Age 0 to 4 | 4.4% | 5.9% | 5.9% |
| Age 5 to 9 | 3.2% | 7.0% | 6.1% |
| Age 10 to 14 | 4.1% | 5.5% | 6.6% |
| Age 15 to 17 | 3.4% | 3.4% | 3.9% |
| Age 18 to 20 | 30.9% | 2.7% | 4.0% |
| Age 21 to 24 | 20.4% | 4.4% | 5.2% |
| Age 25 to 34 | 9.2% | 15.4% | 13.8% |
| Age 35 to 44 | 6.5% | 11.0% | 12.9% |
| Age 45 to 54 | 5.6% | 11.0% | 12.6% |
| Age 55 to 59 | 2.9% | 5.2% | 6.7% |
| Age 60 to 64 | 4.4% | 5.4% | 6.3% |
| Age 65 to 74 | 3.3% | 14.0% | 9.6% |
| Age 75 to 84 | 1.1% | 6.7% | 4.5% |
| Age 85 and over | 0.5% | 2.6% | 1.9% |
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| Race | | | |
| | Allendale, MI | New Bern, NC | United States |
| White | 89.2% | 51.8% | 59.4% |
| Black | 2.1% | 33.1% | 12.2% |
| Asian | 1.8% | 5.2% | 5.6% |
| Native American | 0.1% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.4% | 1.0% | 0.4% |
| Two or More Races | 2.3% | 1.2% | 3.2% |
| Hispanic | 4.1% | 7.7% | 18.4% |
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| Marriage & Family | | | |
| | Allendale, MI | New Bern, NC | United States |
| Married Population | 26.2% | 48.6% | 49.8% |
| Currently Married | 26.0% | 46.1% | 48.0% |
| Married but Separated | 0.2% | 2.5% | 1.8% |
| Single Population | 73.8% | 51.4% | 50.2% |
| Never Married | 66.6% | 29.5% | 33.8% |
| Divorced | 5.9% | 14.0% | 10.8% |
| Widowed | 1.3% | 7.9% | 5.6% |
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| Household Size | 2.78 | 2.19 | 2.60 |
| Households | 7,070 | 14,005 | 124,010,992 |
| Family Households | 3,556 | 7,962 | 80,755,759 |
| Married couple, w/children | 36.2% | 24.5% | 30.5% |
| Married couple, no children | 37.3% | 44.7% | 42.9% |
| Non Family Households | 3,514 | 6,043 | 43,255,233 |
| Single householder, w/children | 12.3% | 19.0% | 15.8% |
| Single householder, no children | 14.2% | 11.9% | 10.8% |