| | Oakland, NE | Louisville, NE | United States |
| Population | 1,571 | 1,464 | 329,725,481 |
| Female Population | 51.8% | 55.5% | 50.5% |
| Male Population | 48.3% | 44.5% | 49.5% |
| Median Age | 41.4 | 36.8 | 38.4 |
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| Population - 2010 | 1,244 | 1,106 | 309,327,143 |
| Population - 2000 | 1,367 | 1,046 | 285,036,114 |
| Population - 1990 | 1,279 | 998 | 251,960,433 |
| Pop. 2000 to Now | -13.7% | 25.7% | 15.6% |
| Pop. 1990 to Now | -7.7% | 31.8% | 30.8% |
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| Population Density | 1,692.9 | 2,255.8 | 93.4 |
| Land Area | 0.9 | 0.6 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Oakland, NE | Louisville, NE | United States |
| Age 0 to 4 | 3.3% | 6.5% | 5.9% |
| Age 5 to 9 | 4.6% | 8.0% | 6.1% |
| Age 10 to 14 | 9.2% | 9.7% | 6.6% |
| Age 15 to 17 | 7.4% | 4.6% | 3.9% |
| Age 18 to 20 | 4.7% | 2.4% | 4.0% |
| Age 21 to 24 | 7.4% | 5.8% | 5.2% |
| Age 25 to 34 | 6.4% | 9.8% | 13.8% |
| Age 35 to 44 | 10.8% | 19.7% | 12.9% |
| Age 45 to 54 | 10.9% | 11.7% | 12.6% |
| Age 55 to 59 | 5.1% | 4.4% | 6.7% |
| Age 60 to 64 | 6.6% | 3.1% | 6.3% |
| Age 65 to 74 | 11.1% | 5.5% | 9.6% |
| Age 75 to 84 | 9.1% | 5.3% | 4.5% |
| Age 85 and over | 3.2% | 3.3% | 1.9% |
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| Race | | | |
| | Oakland, NE | Louisville, NE | United States |
| White | 89.0% | 89.4% | 59.4% |
| Black | 0.8% | 0.2% | 12.2% |
| Asian | 0.0% | 1.7% | 5.6% |
| Native American | 1.8% | 2.7% | 0.6% |
| Hawaiian, Pacific Islander | 1.5% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 3.8% | 4.2% | 3.2% |
| Hispanic | 3.2% | 1.7% | 18.4% |
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| Marriage & Family | | | |
| | Oakland, NE | Louisville, NE | United States |
| Married Population | 48.2% | 61.8% | 49.8% |
| Currently Married | 44.7% | 61.5% | 48.0% |
| Married but Separated | 3.5% | 0.3% | 1.8% |
| Single Population | 51.8% | 38.2% | 50.2% |
| Never Married | 32.8% | 18.8% | 33.8% |
| Divorced | 10.4% | 12.5% | 10.8% |
| Widowed | 8.6% | 6.8% | 5.6% |
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| Household Size | 2.54 | 2.67 | 2.60 |
| Households | 605 | 530 | 124,010,992 |
| Family Households | 397 | 360 | 80,755,759 |
| Married couple, w/children | 31.0% | 60.6% | 30.5% |
| Married couple, no children | 44.3% | 28.3% | 42.9% |
| Non Family Households | 208 | 170 | 43,255,233 |
| Single householder, w/children | 21.7% | 4.4% | 15.8% |
| Single householder, no children | 3.0% | 6.7% | 10.8% |