| | Corvallis, OR | Lansing, MI | United States |
| Population | 59,407 | 113,592 | 329,725,481 |
| Female Population | 49.3% | 51.3% | 50.5% |
| Male Population | 50.7% | 48.7% | 49.5% |
| Median Age | 27.3 | 32.8 | 38.4 |
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| Population - 2010 | 54,407 | 114,326 | 309,327,143 |
| Population - 2000 | 49,322 | 119,128 | 285,036,114 |
| Population - 1990 | 44,757 | 127,321 | 251,960,433 |
| Pop. 2000 to Now | 19.8% | -1.3% | 15.6% |
| Pop. 1990 to Now | 32.0% | -7.7% | 30.8% |
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| Population Density | 4,171.0 | 2,899.9 | 93.4 |
| Land Area | 14.2 | 39.2 | 3,531,905.4 |
| Water Area | 0.1 | 0.6 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Corvallis, OR | Lansing, MI | United States |
| Age 0 to 4 | 3.4% | 6.8% | 5.9% |
| Age 5 to 9 | 3.5% | 7.2% | 6.1% |
| Age 10 to 14 | 4.4% | 5.7% | 6.6% |
| Age 15 to 17 | 2.4% | 3.3% | 3.9% |
| Age 18 to 20 | 14.3% | 3.8% | 4.0% |
| Age 21 to 24 | 17.6% | 8.2% | 5.2% |
| Age 25 to 34 | 15.2% | 18.5% | 13.8% |
| Age 35 to 44 | 9.7% | 12.4% | 12.9% |
| Age 45 to 54 | 8.0% | 10.6% | 12.6% |
| Age 55 to 59 | 4.1% | 5.7% | 6.7% |
| Age 60 to 64 | 4.5% | 5.6% | 6.3% |
| Age 65 to 74 | 7.8% | 8.2% | 9.6% |
| Age 75 to 84 | 3.3% | 2.7% | 4.5% |
| Age 85 and over | 2.0% | 1.4% | 1.9% |
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| Race | | | |
| | Corvallis, OR | Lansing, MI | United States |
| White | 75.7% | 52.3% | 59.4% |
| Black | 1.3% | 23.2% | 12.2% |
| Asian | 10.0% | 5.3% | 5.6% |
| Native American | 0.4% | 0.4% | 0.6% |
| Hawaiian, Pacific Islander | 0.3% | 0.0% | 0.2% |
| Other | 0.2% | 0.4% | 0.4% |
| Two or More Races | 3.9% | 5.5% | 3.2% |
| Hispanic | 8.2% | 12.9% | 18.4% |
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| Marriage & Family | | | |
| | Corvallis, OR | Lansing, MI | United States |
| Married Population | 33.9% | 36.0% | 49.8% |
| Currently Married | 32.8% | 34.5% | 48.0% |
| Married but Separated | 1.0% | 1.5% | 1.8% |
| Single Population | 66.1% | 64.0% | 50.2% |
| Never Married | 55.8% | 44.8% | 33.8% |
| Divorced | 7.4% | 14.5% | 10.8% |
| Widowed | 3.0% | 4.7% | 5.6% |
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| Household Size | 2.24 | 2.30 | 2.60 |
| Households | 23,952 | 49,018 | 124,010,992 |
| Family Households | 11,167 | 24,316 | 80,755,759 |
| Married couple, w/children | 27.4% | 22.7% | 30.5% |
| Married couple, no children | 45.8% | 35.9% | 42.9% |
| Non Family Households | 12,785 | 24,702 | 43,255,233 |
| Single householder, w/children | 16.6% | 26.2% | 15.8% |
| Single householder, no children | 10.2% | 15.2% | 10.8% |