| | Saginaw, MI | Springdale town (Lexington County), SC | United States |
| Population | 44,796 | 2,731 | 329,725,481 |
| Female Population | 50.6% | 52.5% | 50.5% |
| Male Population | 49.4% | 47.5% | 49.5% |
| Median Age | 36.1 | 45.1 | 38.4 |
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| Population - 2010 | 51,390 | 2,629 | 309,327,143 |
| Population - 2000 | 61,799 | 2,877 | 285,036,114 |
| Population - 1990 | 69,512 | 3,226 | 251,960,433 |
| Pop. 2000 to Now | -22.6% | -5.0% | 15.6% |
| Pop. 1990 to Now | -31.2% | -15.3% | 30.8% |
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| Population Density | 2,622.4 | 1,010.0 | 93.4 |
| Land Area | 17.1 | 2.7 | 3,531,905.4 |
| Water Area | 0.7 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Saginaw, MI | Springdale town (Lexington County), SC | United States |
| Age 0 to 4 | 8.0% | 2.8% | 5.9% |
| Age 5 to 9 | 7.1% | 4.5% | 6.1% |
| Age 10 to 14 | 7.5% | 6.4% | 6.6% |
| Age 15 to 17 | 4.2% | 5.2% | 3.9% |
| Age 18 to 20 | 3.5% | 3.1% | 4.0% |
| Age 21 to 24 | 5.1% | 3.8% | 5.2% |
| Age 25 to 34 | 13.4% | 10.7% | 13.8% |
| Age 35 to 44 | 13.3% | 13.1% | 12.9% |
| Age 45 to 54 | 11.5% | 14.1% | 12.6% |
| Age 55 to 59 | 6.2% | 7.8% | 6.7% |
| Age 60 to 64 | 6.4% | 7.0% | 6.3% |
| Age 65 to 74 | 8.4% | 12.1% | 9.6% |
| Age 75 to 84 | 3.3% | 7.7% | 4.5% |
| Age 85 and over | 2.1% | 1.6% | 1.9% |
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| Race | | | |
| | Saginaw, MI | Springdale town (Lexington County), SC | United States |
| White | 35.9% | 75.3% | 59.4% |
| Black | 44.2% | 6.8% | 12.2% |
| Asian | 0.2% | 1.3% | 5.6% |
| Native American | 0.1% | 0.5% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 2.0% | 0.4% |
| Two or More Races | 4.0% | 11.3% | 3.2% |
| Hispanic | 15.7% | 2.9% | 18.4% |
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| Marriage & Family | | | |
| | Saginaw, MI | Springdale town (Lexington County), SC | United States |
| Married Population | 30.2% | 46.2% | 49.8% |
| Currently Married | 27.8% | 45.4% | 48.0% |
| Married but Separated | 2.4% | 0.8% | 1.8% |
| Single Population | 69.8% | 53.8% | 50.2% |
| Never Married | 48.4% | 29.1% | 33.8% |
| Divorced | 15.3% | 14.2% | 10.8% |
| Widowed | 6.1% | 10.4% | 5.6% |
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| Household Size | 2.40 | 2.33 | 2.60 |
| Households | 18,092 | 1,164 | 124,010,992 |
| Family Households | 9,736 | 748 | 80,755,759 |
| Married couple, w/children | 18.5% | 22.7% | 30.5% |
| Married couple, no children | 26.6% | 43.0% | 42.9% |
| Non Family Households | 8,356 | 416 | 43,255,233 |
| Single householder, w/children | 35.4% | 15.5% | 15.8% |
| Single householder, no children | 19.4% | 18.7% | 10.8% |