| | Somerdale, NJ | Lawrence, KS | United States |
| Population | 5,476 | 94,745 | 329,725,481 |
| Female Population | 52.2% | 50.5% | 50.5% |
| Male Population | 47.9% | 49.5% | 49.5% |
| Median Age | 42 | 28.6 | 38.4 |
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| Population - 2010 | 5,131 | 88,263 | 309,327,143 |
| Population - 2000 | 5,192 | 80,098 | 285,036,114 |
| Population - 1990 | 5,440 | 65,608 | 251,960,433 |
| Pop. 2000 to Now | 5.6% | 22.9% | 15.6% |
| Pop. 1990 to Now | 0.8% | 50.1% | 30.8% |
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| Population Density | 3,933.9 | 2,775.5 | 93.4 |
| Land Area | 1.4 | 34.1 | 3,531,905.4 |
| Water Area | 0.0 | 0.8 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Somerdale, NJ | Lawrence, KS | United States |
| Age 0 to 4 | 7.6% | 4.7% | 5.9% |
| Age 5 to 9 | 5.9% | 5.5% | 6.1% |
| Age 10 to 14 | 3.5% | 4.3% | 6.6% |
| Age 15 to 17 | 3.5% | 2.4% | 3.9% |
| Age 18 to 20 | 3.3% | 11.6% | 4.0% |
| Age 21 to 24 | 3.8% | 14.7% | 5.2% |
| Age 25 to 34 | 12.5% | 15.9% | 13.8% |
| Age 35 to 44 | 13.9% | 12.0% | 12.9% |
| Age 45 to 54 | 14.2% | 9.2% | 12.6% |
| Age 55 to 59 | 7.5% | 4.4% | 6.7% |
| Age 60 to 64 | 5.8% | 3.7% | 6.3% |
| Age 65 to 74 | 12.4% | 7.0% | 9.6% |
| Age 75 to 84 | 4.1% | 3.4% | 4.5% |
| Age 85 and over | 2.0% | 1.1% | 1.9% |
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| Race | | | |
| | Somerdale, NJ | Lawrence, KS | United States |
| White | 55.3% | 74.6% | 59.4% |
| Black | 23.6% | 4.7% | 12.2% |
| Asian | 2.2% | 6.2% | 5.6% |
| Native American | 0.0% | 1.8% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.4% | 0.4% |
| Two or More Races | 6.5% | 5.4% | 3.2% |
| Hispanic | 12.5% | 6.9% | 18.4% |
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| Marriage & Family | | | |
| | Somerdale, NJ | Lawrence, KS | United States |
| Married Population | 50.6% | 39.0% | 49.8% |
| Currently Married | 50.1% | 38.6% | 48.0% |
| Married but Separated | 0.4% | 0.5% | 1.8% |
| Single Population | 49.5% | 61.0% | 50.2% |
| Never Married | 33.7% | 49.7% | 33.8% |
| Divorced | 11.5% | 8.3% | 10.8% |
| Widowed | 4.2% | 3.0% | 5.6% |
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| Household Size | 2.61 | 2.16 | 2.60 |
| Households | 2,095 | 40,424 | 124,010,992 |
| Family Households | 1,434 | 19,238 | 80,755,759 |
| Married couple, w/children | 30.5% | 31.4% | 30.5% |
| Married couple, no children | 41.8% | 47.8% | 42.9% |
| Non Family Households | 661 | 21,186 | 43,255,233 |
| Single householder, w/children | 16.0% | 13.4% | 15.8% |
| Single householder, no children | 11.7% | 7.5% | 10.8% |