| | Decatur, AR | Branson, MO | United States |
| Population | 1,416 | 12,579 | 329,725,481 |
| Female Population | 46.5% | 56.5% | 50.5% |
| Male Population | 53.5% | 43.5% | 49.5% |
| Median Age | 30 | 39.6 | 38.4 |
| space3 | | | |
| Population - 2010 | 1,698 | 10,640 | 309,327,143 |
| Population - 2000 | 1,314 | 6,050 | 285,036,114 |
| Population - 1990 | 918 | 3,706 | 251,960,433 |
| Pop. 2000 to Now | 36.2% | 93.2% | 15.6% |
| Pop. 1990 to Now | 95.0% | 215.4% | 30.8% |
| space4 | | | |
| Population Density | 316.7 | 595.0 | 93.4 |
| Land Area | 4.5 | 21.1 | 3,531,905.4 |
| Water Area | 0.1 | 0.2 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Decatur, AR | Branson, MO | United States |
| Age 0 to 4 | 9.7% | 7.3% | 5.9% |
| Age 5 to 9 | 8.5% | 3.6% | 6.1% |
| Age 10 to 14 | 8.1% | 8.4% | 6.6% |
| Age 15 to 17 | 1.8% | 3.3% | 3.9% |
| Age 18 to 20 | 4.5% | 1.7% | 4.0% |
| Age 21 to 24 | 5.4% | 7.0% | 5.2% |
| Age 25 to 34 | 21.5% | 13.4% | 13.8% |
| Age 35 to 44 | 16.4% | 9.6% | 12.9% |
| Age 45 to 54 | 9.2% | 10.7% | 12.6% |
| Age 55 to 59 | 3.8% | 4.9% | 6.7% |
| Age 60 to 64 | 3.2% | 5.6% | 6.3% |
| Age 65 to 74 | 4.8% | 14.4% | 9.6% |
| Age 75 to 84 | 2.5% | 6.4% | 4.5% |
| Age 85 and over | 0.8% | 3.6% | 1.9% |
| space1 | | | |
| Race | | | |
| | Decatur, AR | Branson, MO | United States |
| White | 64.3% | 75.1% | 59.4% |
| Black | 5.7% | 5.5% | 12.2% |
| Asian | 1.5% | 1.9% | 5.6% |
| Native American | 3.1% | 0.3% | 0.6% |
| Hawaiian, Pacific Islander | 0.4% | 0.0% | 0.2% |
| Other | 0.0% | 0.3% | 0.4% |
| Two or More Races | 6.9% | 1.5% | 3.2% |
| Hispanic | 18.2% | 15.3% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Decatur, AR | Branson, MO | United States |
| Married Population | 50.0% | 50.1% | 49.8% |
| Currently Married | 47.7% | 47.8% | 48.0% |
| Married but Separated | 2.3% | 2.3% | 1.8% |
| Single Population | 50.0% | 49.9% | 50.2% |
| Never Married | 31.1% | 24.7% | 33.8% |
| Divorced | 14.9% | 15.4% | 10.8% |
| Widowed | 4.0% | 9.9% | 5.6% |
| space5 | | | |
| Household Size | 2.76 | 2.45 | 2.60 |
| Households | 496 | 5,051 | 124,010,992 |
| Family Households | 335 | 2,945 | 80,755,759 |
| Married couple, w/children | 34.0% | 23.6% | 30.5% |
| Married couple, no children | 33.1% | 49.3% | 42.9% |
| Non Family Households | 161 | 2,106 | 43,255,233 |
| Single householder, w/children | 20.3% | 17.3% | 15.8% |
| Single householder, no children | 12.5% | 9.7% | 10.8% |