| | Auburn, NE | Sabetha, KS | United States |
| Population | 3,443 | 2,509 | 329,725,481 |
| Female Population | 49.1% | 50.9% | 50.5% |
| Male Population | 50.9% | 49.1% | 49.5% |
| Median Age | 37.1 | 38.4 | 38.4 |
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| Population - 2010 | 3,455 | 2,552 | 309,327,143 |
| Population - 2000 | 3,350 | 2,589 | 285,036,114 |
| Population - 1990 | 3,443 | 2,341 | 251,960,433 |
| Pop. 2000 to Now | -0.2% | -1.4% | 15.6% |
| Pop. 1990 to Now | -2.9% | 9.0% | 30.8% |
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| Population Density | 1,578.6 | 787.5 | 93.4 |
| Land Area | 2.2 | 3.2 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Auburn, NE | Sabetha, KS | United States |
| Age 0 to 4 | 6.3% | 9.2% | 5.9% |
| Age 5 to 9 | 5.8% | 5.9% | 6.1% |
| Age 10 to 14 | 6.8% | 6.3% | 6.6% |
| Age 15 to 17 | 5.2% | 2.9% | 3.9% |
| Age 18 to 20 | 4.4% | 5.3% | 4.0% |
| Age 21 to 24 | 4.6% | 3.1% | 5.2% |
| Age 25 to 34 | 13.2% | 12.4% | 13.8% |
| Age 35 to 44 | 13.2% | 11.7% | 12.9% |
| Age 45 to 54 | 8.4% | 11.2% | 12.6% |
| Age 55 to 59 | 5.5% | 2.9% | 6.7% |
| Age 60 to 64 | 6.7% | 5.7% | 6.3% |
| Age 65 to 74 | 9.6% | 8.7% | 9.6% |
| Age 75 to 84 | 7.3% | 5.5% | 4.5% |
| Age 85 and over | 3.1% | 9.1% | 1.9% |
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| Race | | | |
| | Auburn, NE | Sabetha, KS | United States |
| White | 91.3% | 97.3% | 59.4% |
| Black | 0.4% | 0.0% | 12.2% |
| Asian | 1.4% | 0.0% | 5.6% |
| Native American | 0.1% | 0.8% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 5.8% | 0.2% | 3.2% |
| Hispanic | 1.0% | 1.8% | 18.4% |
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| Marriage & Family | | | |
| | Auburn, NE | Sabetha, KS | United States |
| Married Population | 46.3% | 56.5% | 49.8% |
| Currently Married | 45.9% | 55.0% | 48.0% |
| Married but Separated | 0.4% | 1.4% | 1.8% |
| Single Population | 53.7% | 43.5% | 50.2% |
| Never Married | 32.2% | 23.7% | 33.8% |
| Divorced | 14.8% | 8.9% | 10.8% |
| Widowed | 6.8% | 10.9% | 5.6% |
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| Household Size | 2.40 | 2.13 | 2.60 |
| Households | 1,398 | 1,115 | 124,010,992 |
| Family Households | 849 | 606 | 80,755,759 |
| Married couple, w/children | 28.0% | 33.0% | 30.5% |
| Married couple, no children | 43.5% | 51.2% | 42.9% |
| Non Family Households | 549 | 509 | 43,255,233 |
| Single householder, w/children | 22.7% | 11.6% | 15.8% |
| Single householder, no children | 5.8% | 4.3% | 10.8% |