| | Papillion, NE | Buckeye, AZ | United States |
| Population | 23,875 | 89,711 | 329,725,481 |
| Female Population | 50.8% | 46.8% | 50.5% |
| Male Population | 49.2% | 53.2% | 49.5% |
| Median Age | 39.2 | 33.8 | 38.4 |
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| Population - 2010 | 20,100 | 51,332 | 309,327,143 |
| Population - 2000 | 16,363 | 6,537 | 285,036,114 |
| Population - 1990 | 10,372 | 5,038 | 251,960,433 |
| Pop. 2000 to Now | 24.0% | 1,203.7% | 15.6% |
| Pop. 1990 to Now | 95.7% | 1,591.6% | 30.8% |
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| Population Density | 2,418.0 | 228.2 | 93.4 |
| Land Area | 9.9 | 393.1 | 3,531,905.4 |
| Water Area | 0.3 | 0.1 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Papillion, NE | Buckeye, AZ | United States |
| Age 0 to 4 | 5.2% | 8.0% | 5.9% |
| Age 5 to 9 | 5.7% | 8.4% | 6.1% |
| Age 10 to 14 | 7.8% | 8.4% | 6.6% |
| Age 15 to 17 | 5.6% | 4.5% | 3.9% |
| Age 18 to 20 | 3.0% | 3.1% | 4.0% |
| Age 21 to 24 | 5.1% | 4.1% | 5.2% |
| Age 25 to 34 | 11.4% | 15.8% | 13.8% |
| Age 35 to 44 | 14.0% | 14.9% | 12.9% |
| Age 45 to 54 | 12.8% | 12.0% | 12.6% |
| Age 55 to 59 | 7.9% | 4.1% | 6.7% |
| Age 60 to 64 | 6.7% | 4.5% | 6.3% |
| Age 65 to 74 | 8.9% | 9.1% | 9.6% |
| Age 75 to 84 | 3.6% | 2.6% | 4.5% |
| Age 85 and over | 2.2% | 0.6% | 1.9% |
| space1 | | | |
| Race | | | |
| | Papillion, NE | Buckeye, AZ | United States |
| White | 86.1% | 42.6% | 59.4% |
| Black | 2.8% | 5.1% | 12.2% |
| Asian | 2.2% | 2.1% | 5.6% |
| Native American | 0.2% | 1.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.2% | 0.2% |
| Other | 0.0% | 0.6% | 0.4% |
| Two or More Races | 1.8% | 2.1% | 3.2% |
| Hispanic | 6.8% | 46.4% | 18.4% |
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| Marriage & Family | | | |
| | Papillion, NE | Buckeye, AZ | United States |
| Married Population | 58.3% | 56.7% | 49.8% |
| Currently Married | 57.5% | 55.3% | 48.0% |
| Married but Separated | 0.8% | 1.3% | 1.8% |
| Single Population | 41.7% | 43.3% | 50.2% |
| Never Married | 27.6% | 31.5% | 33.8% |
| Divorced | 9.8% | 8.6% | 10.8% |
| Widowed | 4.4% | 3.3% | 5.6% |
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| Household Size | 2.63 | 3.26 | 2.60 |
| Households | 8,954 | 25,659 | 124,010,992 |
| Family Households | 6,526 | 21,380 | 80,755,759 |
| Married couple, w/children | 37.7% | 42.1% | 30.5% |
| Married couple, no children | 45.2% | 38.0% | 42.9% |
| Non Family Households | 2,428 | 4,279 | 43,255,233 |
| Single householder, w/children | 8.6% | 14.8% | 15.8% |
| Single householder, no children | 8.5% | 5.1% | 10.8% |