| | St. Louis, MO | Boone, NC | United States |
| | 314,867 | 18,493 | 321,004,407 |
| | 51.7% | 49.0% | 50.8% |
| | 48.3% | 51.0% | 49.2% |
| | 35.2 | 21.3 | 37.8 |
| space3 | | | |
| | 318,809 | 16,566 | 308,745,538 |
| | 348,189 | 13,472 | 285,036,114 |
| | 396,685 | 12,915 | 251,960,433 |
| | -9.6% | 37.3% | 12.6% |
| | -20.6% | 43.2% | 27.4% |
| space4 | | | |
| | 5,099.6 | 2,931.7 | 90.9 |
| | 61.7 | 6.3 | 3,531,905.4 |
| | 4.3 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | St. Louis, MO | Boone, NC | United States |
| | 6.5% | 1.0% | 6.2% |
| | 5.2% | 2.0% | 6.4% |
| | 5.2% | 1.2% | 6.5% |
| | 2.9% | 0.9% | 3.9% |
| | 4.0% | 41.1% | 4.1% |
| | 6.2% | 25.9% | 5.6% |
| | 19.5% | 8.3% | 13.7% |
| | 12.9% | 4.6% | 12.7% |
| | 12.4% | 4.2% | 13.4% |
| | 6.8% | 1.9% | 6.7% |
| | 6.2% | 2.5% | 6.0% |
| | 7.0% | 3.3% | 8.6% |
| | 3.6% | 1.6% | 4.4% |
| | 1.6% | 1.6% | 1.9% |
| space1 | | | |
| Race | | | |
| | St. Louis, MO | Boone, NC | United States |
| | 42.9% | 90.3% | 61.5% |
| | 47.5% | 2.3% | 12.3% |
| | 3.1% | 0.9% | 5.3% |
| | 0.2% | 0.4% | 0.7% |
| | 0.1% | 0.0% | 0.2% |
| | 0.4% | 0.0% | 0.2% |
| | 1.9% | 1.9% | 2.3% |
| | 3.9% | 4.2% | 17.6% |
| space2 | | | |
| Marriage & Family | | | |
| | St. Louis, MO | Boone, NC | United States |
| | 32.2% | 12.7% | 50.2% |
| | 29.0% | 11.1% | 48.2% |
| | 3.2% | 1.5% | 2.0% |
| | 67.8% | 87.3% | 49.8% |
| | 49.2% | 80.4% | 33.1% |
| | 12.8% | 3.9% | 10.9% |
| | 5.8% | 3.1% | 5.8% |
| space5 | | | |
| | 2.18 | 2.26 | 2.63 |
| | 139,741 | 5,825 | 118,825,921 |
| | 64,617 | 1,373 | 78,298,703 |
| | 20.8% | 25.6% | 31.1% |
| | 32.8% | 41.5% | 42.3% |
| | 75,124 | 4,452 | 40,527,218 |
| | 28.6% | 16.0% | 16.3% |
| | 17.8% | 16.9% | 10.3% |