| | Grand Ledge, MI | Monroe, NC | United States |
| Population | 7,792 | 34,464 | 329,725,481 |
| Female Population | 51.4% | 50.3% | 50.5% |
| Male Population | 48.6% | 49.7% | 49.5% |
| Median Age | 41.4 | 35.9 | 38.4 |
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| Population - 2010 | 7,783 | 32,984 | 309,327,143 |
| Population - 2000 | 7,813 | 26,228 | 285,036,114 |
| Population - 1990 | 7,579 | 16,127 | 251,960,433 |
| Pop. 2000 to Now | 0.9% | 36.0% | 15.6% |
| Pop. 1990 to Now | 4.0% | 121.2% | 30.8% |
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| Population Density | 2,047.3 | 1,157.3 | 93.4 |
| Land Area | 3.8 | 29.8 | 3,531,905.4 |
| Water Area | 0.1 | 0.6 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Grand Ledge, MI | Monroe, NC | United States |
| Age 0 to 4 | 5.4% | 5.8% | 5.9% |
| Age 5 to 9 | 6.3% | 7.1% | 6.1% |
| Age 10 to 14 | 6.0% | 7.6% | 6.6% |
| Age 15 to 17 | 4.0% | 5.5% | 3.9% |
| Age 18 to 20 | 3.6% | 4.7% | 4.0% |
| Age 21 to 24 | 4.9% | 7.5% | 5.2% |
| Age 25 to 34 | 11.7% | 11.1% | 13.8% |
| Age 35 to 44 | 11.2% | 13.2% | 12.9% |
| Age 45 to 54 | 11.9% | 13.8% | 12.6% |
| Age 55 to 59 | 9.4% | 5.5% | 6.7% |
| Age 60 to 64 | 6.8% | 4.6% | 6.3% |
| Age 65 to 74 | 9.6% | 7.7% | 9.6% |
| Age 75 to 84 | 5.0% | 4.0% | 4.5% |
| Age 85 and over | 4.2% | 2.0% | 1.9% |
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| Race | | | |
| | Grand Ledge, MI | Monroe, NC | United States |
| White | 92.1% | 44.4% | 59.4% |
| Black | 1.3% | 22.0% | 12.2% |
| Asian | 0.4% | 1.0% | 5.6% |
| Native American | 0.0% | 0.4% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.5% | 0.5% | 0.4% |
| Two or More Races | 2.5% | 2.9% | 3.2% |
| Hispanic | 3.1% | 28.8% | 18.4% |
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| Marriage & Family | | | |
| | Grand Ledge, MI | Monroe, NC | United States |
| Married Population | 49.9% | 48.5% | 49.8% |
| Currently Married | 49.3% | 44.5% | 48.0% |
| Married but Separated | 0.6% | 4.0% | 1.8% |
| Single Population | 50.1% | 51.5% | 50.2% |
| Never Married | 28.1% | 35.7% | 33.8% |
| Divorced | 16.3% | 10.1% | 10.8% |
| Widowed | 5.7% | 5.7% | 5.6% |
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| Household Size | 2.20 | 2.98 | 2.60 |
| Households | 3,536 | 11,398 | 124,010,992 |
| Family Households | 2,148 | 7,919 | 80,755,759 |
| Married couple, w/children | 25.2% | 32.7% | 30.5% |
| Married couple, no children | 46.4% | 35.1% | 42.9% |
| Non Family Households | 1,388 | 3,479 | 43,255,233 |
| Single householder, w/children | 24.4% | 20.7% | 15.8% |
| Single householder, no children | 4.1% | 11.5% | 10.8% |