| | Cleveland, GA | Marion, NC | United States |
| Population | 3,464 | 7,703 | 329,725,481 |
| Female Population | 55.6% | 48.5% | 50.5% |
| Male Population | 44.4% | 51.5% | 49.5% |
| Median Age | 32.8 | 40.5 | 38.4 |
| space3 | | | |
| Population - 2010 | 3,456 | 8,159 | 309,327,143 |
| Population - 2000 | 1,907 | 4,943 | 285,036,114 |
| Population - 1990 | 1,653 | 4,765 | 251,960,433 |
| Pop. 2000 to Now | 118.5% | 60.6% | 15.6% |
| Pop. 1990 to Now | 152.1% | 66.6% | 30.8% |
| space4 | | | |
| Population Density | 904.4 | 1,315.2 | 93.4 |
| Land Area | 3.8 | 5.9 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Cleveland, GA | Marion, NC | United States |
| Age 0 to 4 | 6.5% | 2.5% | 5.9% |
| Age 5 to 9 | 4.4% | 5.6% | 6.1% |
| Age 10 to 14 | 10.4% | 6.1% | 6.6% |
| Age 15 to 17 | 1.2% | 3.9% | 3.9% |
| Age 18 to 20 | 14.0% | 3.3% | 4.0% |
| Age 21 to 24 | 4.2% | 4.2% | 5.2% |
| Age 25 to 34 | 9.9% | 17.6% | 13.8% |
| Age 35 to 44 | 13.9% | 13.7% | 12.9% |
| Age 45 to 54 | 11.7% | 13.7% | 12.6% |
| Age 55 to 59 | 10.6% | 5.8% | 6.7% |
| Age 60 to 64 | 1.2% | 6.1% | 6.3% |
| Age 65 to 74 | 3.3% | 10.3% | 9.6% |
| Age 75 to 84 | 8.4% | 5.7% | 4.5% |
| Age 85 and over | 0.4% | 1.6% | 1.9% |
| space1 | | | |
| Race | | | |
| | Cleveland, GA | Marion, NC | United States |
| White | 91.9% | 63.3% | 59.4% |
| Black | 2.3% | 12.4% | 12.2% |
| Asian | 0.8% | 3.2% | 5.6% |
| Native American | 0.8% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.2% | 0.4% |
| Two or More Races | 3.5% | 3.0% | 3.2% |
| Hispanic | 0.8% | 17.9% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Cleveland, GA | Marion, NC | United States |
| Married Population | 43.5% | 45.5% | 49.8% |
| Currently Married | 43.2% | 42.9% | 48.0% |
| Married but Separated | 0.4% | 2.7% | 1.8% |
| Single Population | 56.5% | 54.5% | 50.2% |
| Never Married | 28.5% | 36.8% | 33.8% |
| Divorced | 18.3% | 11.7% | 10.8% |
| Widowed | 9.7% | 5.9% | 5.6% |
| space5 | | | |
| Household Size | 2.72 | 2.20 | 2.60 |
| Households | 1,180 | 3,115 | 124,010,992 |
| Family Households | 897 | 2,071 | 80,755,759 |
| Married couple, w/children | 20.1% | 27.9% | 30.5% |
| Married couple, no children | 37.1% | 38.0% | 42.9% |
| Non Family Households | 283 | 1,044 | 43,255,233 |
| Single householder, w/children | 21.0% | 18.4% | 15.8% |
| Single householder, no children | 21.9% | 15.7% | 10.8% |