| | Linn, MO | Shelbyville, KY | United States |
| Population | 1,514 | 16,932 | 329,725,481 |
| Female Population | 46.2% | 53.4% | 50.5% |
| Male Population | 53.8% | 46.6% | 49.5% |
| Median Age | 30.9 | 36.8 | 38.4 |
| space3 | | | |
| Population - 2010 | 1,421 | 14,276 | 309,327,143 |
| Population - 2000 | 1,354 | 10,085 | 285,036,114 |
| Population - 1990 | 1,148 | 6,238 | 251,960,433 |
| Pop. 2000 to Now | 15.0% | 66.5% | 15.6% |
| Pop. 1990 to Now | 35.6% | 169.2% | 30.8% |
| space4 | | | |
| Population Density | 1,298.5 | 1,998.1 | 93.4 |
| Land Area | 1.2 | 8.5 | 3,531,905.4 |
| Water Area | 0.0 | 0.2 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Linn, MO | Shelbyville, KY | United States |
| Age 0 to 4 | 6.6% | 7.6% | 5.9% |
| Age 5 to 9 | 6.4% | 6.6% | 6.1% |
| Age 10 to 14 | 9.2% | 6.2% | 6.6% |
| Age 15 to 17 | 4.7% | 3.5% | 3.9% |
| Age 18 to 20 | 8.5% | 4.1% | 4.0% |
| Age 21 to 24 | 4.9% | 7.2% | 5.2% |
| Age 25 to 34 | 16.1% | 11.8% | 13.8% |
| Age 35 to 44 | 8.7% | 14.2% | 12.9% |
| Age 45 to 54 | 9.1% | 14.4% | 12.6% |
| Age 55 to 59 | 4.8% | 6.4% | 6.7% |
| Age 60 to 64 | 8.3% | 4.7% | 6.3% |
| Age 65 to 74 | 4.6% | 8.7% | 9.6% |
| Age 75 to 84 | 3.2% | 3.3% | 4.5% |
| Age 85 and over | 4.8% | 1.3% | 1.9% |
| space1 | | | |
| Race | | | |
| | Linn, MO | Shelbyville, KY | United States |
| White | 92.5% | 66.5% | 59.4% |
| Black | 0.0% | 11.2% | 12.2% |
| Asian | 0.0% | 1.9% | 5.6% |
| Native American | 4.8% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.8% | 0.4% |
| Two or More Races | 2.3% | 3.9% | 3.2% |
| Hispanic | 0.3% | 15.8% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Linn, MO | Shelbyville, KY | United States |
| Married Population | 47.5% | 53.3% | 49.8% |
| Currently Married | 44.3% | 49.2% | 48.0% |
| Married but Separated | 3.2% | 4.1% | 1.8% |
| Single Population | 52.5% | 46.7% | 50.2% |
| Never Married | 36.2% | 28.4% | 33.8% |
| Divorced | 10.2% | 14.4% | 10.8% |
| Widowed | 6.1% | 3.9% | 5.6% |
| space5 | | | |
| Household Size | 2.58 | 2.75 | 2.60 |
| Households | 586 | 6,088 | 124,010,992 |
| Family Households | 360 | 4,260 | 80,755,759 |
| Married couple, w/children | 30.6% | 34.7% | 30.5% |
| Married couple, no children | 39.7% | 35.6% | 42.9% |
| Non Family Households | 226 | 1,828 | 43,255,233 |
| Single householder, w/children | 20.6% | 17.3% | 15.8% |
| Single householder, no children | 9.2% | 12.3% | 10.8% |