| | Harrisburg, MO | Stanford, KY | United States |
| Population | 407 | 3,643 | 329,725,481 |
| Female Population | 50.6% | 50.8% | 50.5% |
| Male Population | 49.4% | 49.2% | 49.5% |
| Median Age | 28.6 | 42.7 | 38.4 |
| space3 | | | |
| Population - 2010 | 272 | 3,744 | 309,327,143 |
| Population - 2000 | 184 | 3,430 | 285,036,114 |
| Population - 1990 | 169 | 2,686 | 251,960,433 |
| Pop. 2000 to Now | 62.0% | 6.2% | 15.6% |
| Pop. 1990 to Now | 76.3% | 35.7% | 30.8% |
| space4 | | | |
| Population Density | 543.4 | 884.7 | 93.4 |
| Land Area | 0.7 | 4.1 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Harrisburg, MO | Stanford, KY | United States |
| Age 0 to 4 | 9.6% | 5.3% | 5.9% |
| Age 5 to 9 | 5.4% | 6.2% | 6.1% |
| Age 10 to 14 | 15.0% | 5.8% | 6.6% |
| Age 15 to 17 | 9.1% | 5.2% | 3.9% |
| Age 18 to 20 | 2.5% | 2.2% | 4.0% |
| Age 21 to 24 | 4.2% | 5.2% | 5.2% |
| Age 25 to 34 | 13.8% | 13.9% | 13.8% |
| Age 35 to 44 | 17.2% | 10.7% | 12.9% |
| Age 45 to 54 | 7.4% | 11.1% | 12.6% |
| Age 55 to 59 | 3.4% | 7.8% | 6.7% |
| Age 60 to 64 | 2.2% | 5.4% | 6.3% |
| Age 65 to 74 | 6.6% | 11.2% | 9.6% |
| Age 75 to 84 | 2.9% | 6.9% | 4.5% |
| Age 85 and over | 0.7% | 3.1% | 1.9% |
| space1 | | | |
| Race | | | |
| | Harrisburg, MO | Stanford, KY | United States |
| White | 84.0% | 89.7% | 59.4% |
| Black | 0.0% | 6.2% | 12.2% |
| Asian | 1.0% | 1.2% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 2.2% | 0.1% | 0.4% |
| Two or More Races | 1.7% | 2.1% | 3.2% |
| Hispanic | 11.1% | 0.6% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Harrisburg, MO | Stanford, KY | United States |
| Married Population | 45.3% | 48.8% | 49.8% |
| Currently Married | 44.6% | 46.7% | 48.0% |
| Married but Separated | 0.7% | 2.1% | 1.8% |
| Single Population | 54.7% | 51.2% | 50.2% |
| Never Married | 26.7% | 21.7% | 33.8% |
| Divorced | 17.9% | 18.2% | 10.8% |
| Widowed | 10.2% | 11.2% | 5.6% |
| space5 | | | |
| Household Size | 2.68 | 2.46 | 2.60 |
| Households | 152 | 1,385 | 124,010,992 |
| Family Households | 96 | 829 | 80,755,759 |
| Married couple, w/children | 42.7% | 36.8% | 30.5% |
| Married couple, no children | 20.8% | 34.0% | 42.9% |
| Non Family Households | 56 | 556 | 43,255,233 |
| Single householder, w/children | 29.2% | 20.1% | 15.8% |
| Single householder, no children | 7.3% | 9.0% | 10.8% |