| | Bel Aire, KS | Fayetteville, AR | United States |
| Population | 8,148 | 92,070 | 329,725,481 |
| Female Population | 48.8% | 50.0% | 50.5% |
| Male Population | 51.2% | 50.0% | 49.5% |
| Median Age | 32.4 | 28.4 | 38.4 |
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| Population - 2010 | 6,779 | 73,967 | 309,327,143 |
| Population - 2000 | 5,836 | 58,047 | 285,036,114 |
| Population - 1990 | 3,695 | 42,099 | 251,960,433 |
| Pop. 2000 to Now | 45.1% | 54.3% | 15.6% |
| Pop. 1990 to Now | 129.2% | 112.8% | 30.8% |
| space4 | | | |
| Population Density | 1,204.6 | 1,704.2 | 93.4 |
| Land Area | 6.8 | 54.0 | 3,531,905.4 |
| Water Area | 0.0 | 1.4 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Bel Aire, KS | Fayetteville, AR | United States |
| Age 0 to 4 | 11.8% | 5.9% | 5.9% |
| Age 5 to 9 | 4.8% | 5.4% | 6.1% |
| Age 10 to 14 | 7.2% | 4.7% | 6.6% |
| Age 15 to 17 | 3.9% | 2.2% | 3.9% |
| Age 18 to 20 | 5.3% | 12.0% | 4.0% |
| Age 21 to 24 | 5.1% | 12.9% | 5.2% |
| Age 25 to 34 | 13.8% | 18.1% | 13.8% |
| Age 35 to 44 | 14.2% | 12.0% | 12.9% |
| Age 45 to 54 | 9.2% | 9.1% | 12.6% |
| Age 55 to 59 | 8.7% | 4.7% | 6.7% |
| Age 60 to 64 | 4.3% | 4.0% | 6.3% |
| Age 65 to 74 | 7.1% | 5.6% | 9.6% |
| Age 75 to 84 | 3.9% | 2.3% | 4.5% |
| Age 85 and over | 0.8% | 1.2% | 1.9% |
| space1 | | | |
| Race | | | |
| | Bel Aire, KS | Fayetteville, AR | United States |
| White | 67.8% | 76.8% | 59.4% |
| Black | 10.1% | 5.8% | 12.2% |
| Asian | 5.6% | 2.7% | 5.6% |
| Native American | 0.0% | 0.7% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.2% | 0.2% |
| Other | 0.2% | 0.3% | 0.4% |
| Two or More Races | 4.7% | 6.2% | 3.2% |
| Hispanic | 11.7% | 7.5% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Bel Aire, KS | Fayetteville, AR | United States |
| Married Population | 64.3% | 38.3% | 49.8% |
| Currently Married | 63.7% | 37.1% | 48.0% |
| Married but Separated | 0.6% | 1.2% | 1.8% |
| Single Population | 35.7% | 61.7% | 50.2% |
| Never Married | 25.8% | 47.9% | 33.8% |
| Divorced | 7.6% | 10.6% | 10.8% |
| Widowed | 2.3% | 3.2% | 5.6% |
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| Household Size | 2.95 | 2.21 | 2.60 |
| Households | 2,766 | 38,558 | 124,010,992 |
| Family Households | 2,156 | 18,841 | 80,755,759 |
| Married couple, w/children | 42.9% | 32.9% | 30.5% |
| Married couple, no children | 43.0% | 37.9% | 42.9% |
| Non Family Households | 610 | 19,717 | 43,255,233 |
| Single householder, w/children | 7.8% | 19.1% | 15.8% |
| Single householder, no children | 6.3% | 10.1% | 10.8% |