| | Bowling Green, KY | Astoria, OR | United States |
| Population | 71,422 | 10,166 | 329,725,481 |
| Female Population | 51.9% | 51.8% | 50.5% |
| Male Population | 48.1% | 48.2% | 49.5% |
| Median Age | 27.7 | 41.8 | 38.4 |
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| Population - 2010 | 59,731 | 9,485 | 309,327,143 |
| Population - 2000 | 49,296 | 9,813 | 285,036,114 |
| Population - 1990 | 40,641 | 10,069 | 251,960,433 |
| Pop. 2000 to Now | 43.3% | 2.2% | 15.6% |
| Pop. 1990 to Now | 73.8% | -0.4% | 30.8% |
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| Population Density | 1,843.5 | 1,656.2 | 93.4 |
| Land Area | 38.7 | 6.1 | 3,531,905.4 |
| Water Area | 0.3 | 3.8 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Bowling Green, KY | Astoria, OR | United States |
| Age 0 to 4 | 6.8% | 6.3% | 5.9% |
| Age 5 to 9 | 6.1% | 4.9% | 6.1% |
| Age 10 to 14 | 5.2% | 5.3% | 6.6% |
| Age 15 to 17 | 3.2% | 2.9% | 3.9% |
| Age 18 to 20 | 11.1% | 3.7% | 4.0% |
| Age 21 to 24 | 12.5% | 2.4% | 5.2% |
| Age 25 to 34 | 15.7% | 15.3% | 13.8% |
| Age 35 to 44 | 11.3% | 14.6% | 12.9% |
| Age 45 to 54 | 8.4% | 8.9% | 12.6% |
| Age 55 to 59 | 4.2% | 10.0% | 6.7% |
| Age 60 to 64 | 4.4% | 7.0% | 6.3% |
| Age 65 to 74 | 6.9% | 12.9% | 9.6% |
| Age 75 to 84 | 3.1% | 3.6% | 4.5% |
| Age 85 and over | 1.2% | 2.3% | 1.9% |
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| Race | | | |
| | Bowling Green, KY | Astoria, OR | United States |
| White | 67.6% | 76.1% | 59.4% |
| Black | 12.4% | 1.2% | 12.2% |
| Asian | 6.4% | 0.7% | 5.6% |
| Native American | 0.2% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.8% | 0.2% | 0.2% |
| Other | 0.1% | 0.0% | 0.4% |
| Two or More Races | 4.2% | 7.1% | 3.2% |
| Hispanic | 8.3% | 14.5% | 18.4% |
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| Marriage & Family | | | |
| | Bowling Green, KY | Astoria, OR | United States |
| Married Population | 36.7% | 49.1% | 49.8% |
| Currently Married | 34.4% | 46.7% | 48.0% |
| Married but Separated | 2.4% | 2.4% | 1.8% |
| Single Population | 63.3% | 50.9% | 50.2% |
| Never Married | 46.9% | 29.3% | 33.8% |
| Divorced | 11.5% | 16.4% | 10.8% |
| Widowed | 4.8% | 5.2% | 5.6% |
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| Household Size | 2.34 | 2.23 | 2.60 |
| Households | 27,602 | 4,446 | 124,010,992 |
| Family Households | 15,180 | 2,371 | 80,755,759 |
| Married couple, w/children | 28.7% | 24.5% | 30.5% |
| Married couple, no children | 32.3% | 50.9% | 42.9% |
| Non Family Households | 12,422 | 2,075 | 43,255,233 |
| Single householder, w/children | 26.6% | 13.7% | 15.8% |
| Single householder, no children | 12.4% | 10.8% | 10.8% |