| Rock Hill, SC | Plainfield, IN | United States |
Population | 72,883 | 34,311 | 329,725,481 |
Female Population | 54.1% | 48.0% | 50.5% |
Male Population | 45.9% | 52.0% | 49.5% |
Median Age | 34.1 | 38.1 | 38.4 |
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Population - 2010 | 66,872 | 27,792 | 309,327,143 |
Population - 2000 | 49,765 | 18,396 | 285,036,114 |
Population - 1990 | 41,643 | 10,433 | 251,960,433 |
Pop. 2000 to Now | 53.4% | 97.2% | 15.6% |
Pop. 1990 to Now | 83.3% | 247.7% | 30.8% |
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Population Density | 1,916.6 | 1,361.2 | 93.4 |
Land Area | 38.0 | 25.2 | 3,531,905.4 |
Water Area | 0.2 | 0.1 | 264,836.8 |
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Est. Total Population By Age | | | |
| Rock Hill, SC | Plainfield, IN | United States |
Age 0 to 4 | 6.4% | 5.3% | 5.9% |
Age 5 to 9 | 6.4% | 7.7% | 6.1% |
Age 10 to 14 | 6.3% | 5.6% | 6.6% |
Age 15 to 17 | 4.0% | 4.8% | 3.9% |
Age 18 to 20 | 5.9% | 3.6% | 4.0% |
Age 21 to 24 | 6.8% | 5.8% | 5.2% |
Age 25 to 34 | 15.7% | 13.4% | 13.8% |
Age 35 to 44 | 11.8% | 14.4% | 12.9% |
Age 45 to 54 | 11.8% | 11.7% | 12.6% |
Age 55 to 59 | 5.5% | 6.8% | 6.7% |
Age 60 to 64 | 5.6% | 5.6% | 6.3% |
Age 65 to 74 | 8.7% | 8.2% | 9.6% |
Age 75 to 84 | 3.6% | 5.6% | 4.5% |
Age 85 and over | 1.6% | 1.5% | 1.9% |
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Race | | | |
| Rock Hill, SC | Plainfield, IN | United States |
White | 51.1% | 78.4% | 59.4% |
Black | 38.5% | 7.8% | 12.2% |
Asian | 1.9% | 4.7% | 5.6% |
Native American | 0.2% | 0.1% | 0.6% |
Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
Other | 0.4% | 0.7% | 0.4% |
Two or More Races | 2.2% | 2.4% | 3.2% |
Hispanic | 5.7% | 5.8% | 18.4% |
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Marriage & Family | | | |
| Rock Hill, SC | Plainfield, IN | United States |
Married Population | 42.7% | 51.4% | 49.8% |
Currently Married | 39.8% | 50.4% | 48.0% |
Married but Separated | 2.9% | 1.0% | 1.8% |
Single Population | 57.3% | 48.6% | 50.2% |
Never Married | 40.9% | 30.0% | 33.8% |
Divorced | 10.8% | 12.9% | 10.8% |
Widowed | 5.7% | 5.8% | 5.6% |
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Household Size | 2.37 | 2.57 | 2.60 |
Households | 29,588 | 12,715 | 124,010,992 |
Family Households | 17,390 | 8,687 | 80,755,759 |
Married couple, w/children | 24.7% | 34.9% | 30.5% |
Married couple, no children | 37.9% | 40.7% | 42.9% |
Non Family Households | 12,198 | 4,028 | 43,255,233 |
Single householder, w/children | 24.2% | 15.2% | 15.8% |
Single householder, no children | 13.2% | 9.3% | 10.8% |