| | Lincoln Park, MI | Salem, OR | United States |
| Population | 39,741 | 174,193 | 329,725,481 |
| Female Population | 49.5% | 49.0% | 50.5% |
| Male Population | 50.5% | 51.0% | 49.5% |
| Median Age | 35.3 | 35.7 | 38.4 |
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| Population - 2010 | 37,996 | 155,223 | 309,327,143 |
| Population - 2000 | 40,008 | 136,924 | 285,036,114 |
| Population - 1990 | 41,832 | 107,786 | 251,960,433 |
| Pop. 2000 to Now | -9.9% | 28.5% | 15.6% |
| Pop. 1990 to Now | -13.8% | 63.2% | 30.8% |
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| Population Density | 6,809.6 | 3,580.8 | 93.4 |
| Land Area | 5.8 | 48.6 | 3,531,905.4 |
| Water Area | 0.0 | 0.6 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Lincoln Park, MI | Salem, OR | United States |
| Age 0 to 4 | 7.3% | 6.2% | 5.9% |
| Age 5 to 9 | 7.6% | 6.6% | 6.1% |
| Age 10 to 14 | 6.9% | 7.1% | 6.6% |
| Age 15 to 17 | 3.5% | 4.2% | 3.9% |
| Age 18 to 20 | 3.4% | 4.3% | 4.0% |
| Age 21 to 24 | 5.0% | 5.1% | 5.2% |
| Age 25 to 34 | 15.7% | 15.5% | 13.8% |
| Age 35 to 44 | 11.9% | 14.0% | 12.9% |
| Age 45 to 54 | 12.9% | 11.6% | 12.6% |
| Age 55 to 59 | 7.3% | 4.8% | 6.7% |
| Age 60 to 64 | 5.0% | 6.0% | 6.3% |
| Age 65 to 74 | 8.6% | 8.9% | 9.6% |
| Age 75 to 84 | 3.0% | 4.2% | 4.5% |
| Age 85 and over | 1.8% | 1.5% | 1.9% |
| space1 | | | |
| Race | | | |
| | Lincoln Park, MI | Salem, OR | United States |
| White | 61.6% | 65.8% | 59.4% |
| Black | 9.5% | 1.2% | 12.2% |
| Asian | 0.6% | 3.2% | 5.6% |
| Native American | 0.5% | 0.6% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 1.7% | 0.2% |
| Other | 0.5% | 0.3% | 0.4% |
| Two or More Races | 2.6% | 4.8% | 3.2% |
| Hispanic | 24.7% | 22.4% | 18.4% |
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| Marriage & Family | | | |
| | Lincoln Park, MI | Salem, OR | United States |
| Married Population | 40.4% | 46.7% | 49.8% |
| Currently Married | 38.7% | 45.1% | 48.0% |
| Married but Separated | 1.7% | 1.6% | 1.8% |
| Single Population | 59.6% | 53.3% | 50.2% |
| Never Married | 38.5% | 34.6% | 33.8% |
| Divorced | 14.7% | 13.4% | 10.8% |
| Widowed | 6.4% | 5.2% | 5.6% |
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| Household Size | 2.60 | 2.58 | 2.60 |
| Households | 15,284 | 64,426 | 124,010,992 |
| Family Households | 8,679 | 40,382 | 80,755,759 |
| Married couple, w/children | 27.3% | 31.3% | 30.5% |
| Married couple, no children | 35.0% | 39.6% | 42.9% |
| Non Family Households | 6,605 | 24,044 | 43,255,233 |
| Single householder, w/children | 19.7% | 19.2% | 15.8% |
| Single householder, no children | 18.0% | 9.9% | 10.8% |