| | Lawrence, KS | Greenfield, IN | United States |
| Population | 98,448 | 23,369 | 329,484,123 |
| Female Population | 50.7% | 53.8% | 50.8% |
| Male Population | 49.3% | 46.2% | 49.2% |
| Median Age | 27.5 | 39.2 | 37.8 |
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| Population - 2010 | 88,263 | 20,744 | 309,327,143 |
| Population - 2000 | 80,098 | 14,600 | 285,036,114 |
| Population - 1990 | 65,608 | 11,657 | 251,960,433 |
| Pop. 2000 to Now | 22.9% | 60.1% | 15.6% |
| Pop. 1990 to Now | 50.1% | 100.5% | 30.8% |
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| Population Density | 2,884.0 | 1,723.0 | 93.3 |
| Land Area | 34.1 | 13.6 | 3,531,905.4 |
| Water Area | 0.8 | 0.1 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Lawrence, KS | Greenfield, IN | United States |
| Age 0 to 4 | 5.2% | 5.7% | 6.2% |
| Age 5 to 9 | 5.1% | 7.1% | 6.4% |
| Age 10 to 14 | 4.5% | 7.1% | 6.5% |
| Age 15 to 17 | 2.4% | 3.1% | 3.9% |
| Age 18 to 20 | 12.7% | 2.5% | 4.1% |
| Age 21 to 24 | 15.4% | 5.5% | 5.6% |
| Age 25 to 34 | 16.3% | 13.1% | 13.7% |
| Age 35 to 44 | 10.5% | 13.1% | 12.7% |
| Age 45 to 54 | 9.1% | 12.1% | 13.4% |
| Age 55 to 59 | 4.7% | 6.2% | 6.7% |
| Age 60 to 64 | 4.1% | 6.1% | 6.0% |
| Age 65 to 74 | 5.8% | 9.6% | 8.6% |
| Age 75 to 84 | 2.7% | 5.4% | 4.4% |
| Age 85 and over | 1.5% | 3.2% | 1.9% |
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| Race | | | |
| | Lawrence, KS | Greenfield, IN | United States |
| White | 76.6% | 95.1% | 61.5% |
| Black | 4.4% | 0.9% | 12.3% |
| Asian | 5.9% | 1.3% | 5.3% |
| Native American | 2.4% | 0.0% | 0.7% |
| Hawaiian, Pacific Islander | 0.0% | 0.1% | 0.2% |
| Other | 0.2% | 0.0% | 0.2% |
| Two or More Races | 4.0% | 0.6% | 2.3% |
| Hispanic | 6.6% | 2.0% | 17.6% |
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| Marriage & Family | | | |
| | Lawrence, KS | Greenfield, IN | United States |
| Married Population | 35.7% | 52.3% | 50.2% |
| Currently Married | 35.3% | 50.3% | 48.2% |
| Married but Separated | 0.4% | 2.0% | 2.0% |
| Single Population | 64.3% | 47.7% | 49.8% |
| Never Married | 52.1% | 24.0% | 33.1% |
| Divorced | 8.5% | 15.5% | 10.9% |
| Widowed | 3.7% | 8.2% | 5.8% |
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| Household Size | 2.37 | 2.35 | 2.63 |
| Households | 36,358 | 8,942 | 118,825,921 |
| Family Households | 17,745 | 5,575 | 78,298,703 |
| Married couple, w/children | 30.4% | 30.3% | 31.1% |
| Married couple, no children | 44.8% | 42.5% | 42.3% |
| Non Family Households | 18,613 | 3,367 | 40,527,218 |
| Single householder, w/children | 14.7% | 17.3% | 16.3% |
| Single householder, no children | 10.1% | 9.9% | 10.3% |