| | Camanche, IA | Charlevoix, MI | United States |
| Population | 4,545 | 2,353 | 329,725,481 |
| Female Population | 55.1% | 57.3% | 50.5% |
| Male Population | 44.9% | 42.7% | 49.5% |
| Median Age | 45.9 | 43.8 | 38.4 |
| space3 | | | |
| Population - 2010 | 4,450 | 2,507 | 309,327,143 |
| Population - 2000 | 4,215 | 2,994 | 285,036,114 |
| Population - 1990 | 4,436 | 3,116 | 251,960,433 |
| Pop. 2000 to Now | 3.6% | -17.2% | 15.6% |
| Pop. 1990 to Now | -1.5% | -20.4% | 30.8% |
| space4 | | | |
| Population Density | 523.5 | 1,148.9 | 93.4 |
| Land Area | 8.7 | 2.0 | 3,531,905.4 |
| Water Area | 0.8 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Camanche, IA | Charlevoix, MI | United States |
| Age 0 to 4 | 7.8% | 4.8% | 5.9% |
| Age 5 to 9 | 6.1% | 6.3% | 6.1% |
| Age 10 to 14 | 5.6% | 4.9% | 6.6% |
| Age 15 to 17 | 2.3% | 2.3% | 3.9% |
| Age 18 to 20 | 2.0% | 3.6% | 4.0% |
| Age 21 to 24 | 3.5% | 6.8% | 5.2% |
| Age 25 to 34 | 9.8% | 11.0% | 13.8% |
| Age 35 to 44 | 11.6% | 13.7% | 12.9% |
| Age 45 to 54 | 13.0% | 8.8% | 12.6% |
| Age 55 to 59 | 5.4% | 7.1% | 6.7% |
| Age 60 to 64 | 11.7% | 9.0% | 6.3% |
| Age 65 to 74 | 13.9% | 13.1% | 9.6% |
| Age 75 to 84 | 6.1% | 7.4% | 4.5% |
| Age 85 and over | 1.1% | 1.1% | 1.9% |
| space1 | | | |
| Race | | | |
| | Camanche, IA | Charlevoix, MI | United States |
| White | 96.5% | 90.3% | 59.4% |
| Black | 0.0% | 3.2% | 12.2% |
| Asian | 0.0% | 0.0% | 5.6% |
| Native American | 0.4% | 0.4% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 2.8% | 2.5% | 3.2% |
| Hispanic | 0.2% | 3.6% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Camanche, IA | Charlevoix, MI | United States |
| Married Population | 64.0% | 37.9% | 49.8% |
| Currently Married | 62.4% | 37.9% | 48.0% |
| Married but Separated | 1.7% | 0.1% | 1.8% |
| Single Population | 36.0% | 62.1% | 50.2% |
| Never Married | 14.0% | 36.2% | 33.8% |
| Divorced | 12.7% | 19.5% | 10.8% |
| Widowed | 9.3% | 6.3% | 5.6% |
| space5 | | | |
| Household Size | 2.14 | 1.78 | 2.60 |
| Households | 2,128 | 1,277 | 124,010,992 |
| Family Households | 1,351 | 546 | 80,755,759 |
| Married couple, w/children | 32.8% | 19.8% | 30.5% |
| Married couple, no children | 52.2% | 44.1% | 42.9% |
| Non Family Households | 777 | 731 | 43,255,233 |
| Single householder, w/children | 9.5% | 22.3% | 15.8% |
| Single householder, no children | 5.6% | 13.7% | 10.8% |