| | Lawrence, MA | Newburyport, MA | United States |
| Population | 87,798 | 18,282 | 329,725,481 |
| Female Population | 50.2% | 54.0% | 50.5% |
| Male Population | 49.8% | 46.0% | 49.5% |
| Median Age | 32.2 | 46.4 | 38.4 |
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| Population - 2010 | 76,552 | 17,440 | 309,327,143 |
| Population - 2000 | 72,043 | 17,189 | 285,036,114 |
| Population - 1990 | 70,207 | 16,317 | 251,960,433 |
| Pop. 2000 to Now | 11.1% | 7.6% | 15.6% |
| Pop. 1990 to Now | 14.0% | 13.4% | 30.8% |
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| Population Density | 12,667.4 | 2,189.5 | 93.4 |
| Land Area | 6.9 | 8.4 | 3,531,905.4 |
| Water Area | 0.5 | 2.4 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Lawrence, MA | Newburyport, MA | United States |
| Age 0 to 4 | 7.9% | 4.1% | 5.9% |
| Age 5 to 9 | 7.2% | 7.0% | 6.1% |
| Age 10 to 14 | 7.7% | 8.7% | 6.6% |
| Age 15 to 17 | 4.5% | 2.0% | 3.9% |
| Age 18 to 20 | 4.6% | 2.6% | 4.0% |
| Age 21 to 24 | 6.2% | 3.0% | 5.2% |
| Age 25 to 34 | 16.6% | 7.8% | 13.8% |
| Age 35 to 44 | 13.3% | 12.7% | 12.9% |
| Age 45 to 54 | 11.4% | 12.3% | 12.6% |
| Age 55 to 59 | 5.9% | 8.4% | 6.7% |
| Age 60 to 64 | 4.6% | 10.6% | 6.3% |
| Age 65 to 74 | 5.9% | 12.2% | 9.6% |
| Age 75 to 84 | 2.7% | 5.8% | 4.5% |
| Age 85 and over | 1.6% | 2.8% | 1.9% |
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| Race | | | |
| | Lawrence, MA | Newburyport, MA | United States |
| White | 13.2% | 93.1% | 59.4% |
| Black | 1.9% | 0.4% | 12.2% |
| Asian | 1.7% | 1.5% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.6% | 0.1% | 0.4% |
| Two or More Races | 0.4% | 2.5% | 3.2% |
| Hispanic | 82.3% | 2.5% | 18.4% |
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| Marriage & Family | | | |
| | Lawrence, MA | Newburyport, MA | United States |
| Married Population | 38.5% | 60.7% | 49.8% |
| Currently Married | 34.1% | 60.2% | 48.0% |
| Married but Separated | 4.4% | 0.5% | 1.8% |
| Single Population | 61.5% | 39.3% | 50.2% |
| Never Married | 46.4% | 22.0% | 33.8% |
| Divorced | 10.9% | 12.7% | 10.8% |
| Widowed | 4.2% | 4.6% | 5.6% |
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| Household Size | 2.86 | 2.39 | 2.60 |
| Households | 30,291 | 7,537 | 124,010,992 |
| Family Households | 20,801 | 4,965 | 80,755,759 |
| Married couple, w/children | 23.3% | 32.2% | 30.5% |
| Married couple, no children | 22.6% | 52.7% | 42.9% |
| Non Family Households | 9,490 | 2,572 | 43,255,233 |
| Single householder, w/children | 35.5% | 8.3% | 15.8% |
| Single householder, no children | 18.7% | 6.8% | 10.8% |