| | Teutopolis, IL | Shelbyville, IL | United States |
| Population | 1,825 | 4,053 | 329,725,481 |
| Female Population | 48.8% | 55.6% | 50.5% |
| Male Population | 51.2% | 44.4% | 49.5% |
| Median Age | 38.1 | 48.3 | 38.4 |
| space3 | | | |
| Population - 2010 | 1,550 | 4,690 | 309,327,143 |
| Population - 2000 | 1,559 | 4,971 | 285,036,114 |
| Population - 1990 | 1,417 | 4,943 | 251,960,433 |
| Pop. 2000 to Now | 7.6% | -11.1% | 15.6% |
| Pop. 1990 to Now | 18.4% | -10.6% | 30.8% |
| space4 | | | |
| Population Density | 896.8 | 994.4 | 93.4 |
| Land Area | 2.0 | 4.1 | 3,531,905.4 |
| Water Area | 0.0 | 0.2 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Teutopolis, IL | Shelbyville, IL | United States |
| Age 0 to 4 | 6.4% | 4.9% | 5.9% |
| Age 5 to 9 | 5.2% | 4.2% | 6.1% |
| Age 10 to 14 | 6.7% | 6.7% | 6.6% |
| Age 15 to 17 | 6.2% | 3.0% | 3.9% |
| Age 18 to 20 | 1.3% | 2.2% | 4.0% |
| Age 21 to 24 | 6.8% | 6.0% | 5.2% |
| Age 25 to 34 | 14.5% | 8.6% | 13.8% |
| Age 35 to 44 | 10.9% | 11.0% | 12.9% |
| Age 45 to 54 | 13.8% | 12.5% | 12.6% |
| Age 55 to 59 | 8.1% | 9.0% | 6.7% |
| Age 60 to 64 | 4.7% | 6.3% | 6.3% |
| Age 65 to 74 | 8.2% | 12.1% | 9.6% |
| Age 75 to 84 | 4.2% | 6.7% | 4.5% |
| Age 85 and over | 3.2% | 6.7% | 1.9% |
| space1 | | | |
| Race | | | |
| | Teutopolis, IL | Shelbyville, IL | United States |
| White | 97.5% | 98.3% | 59.4% |
| Black | 0.0% | 0.7% | 12.2% |
| Asian | 0.9% | 0.0% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 1.3% | 0.0% | 3.2% |
| Hispanic | 0.3% | 1.0% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Teutopolis, IL | Shelbyville, IL | United States |
| Married Population | 60.1% | 45.4% | 49.8% |
| Currently Married | 59.9% | 43.7% | 48.0% |
| Married but Separated | 0.2% | 1.7% | 1.8% |
| Single Population | 39.9% | 54.6% | 50.2% |
| Never Married | 27.5% | 25.2% | 33.8% |
| Divorced | 6.9% | 16.5% | 10.8% |
| Widowed | 5.5% | 12.9% | 5.6% |
| space5 | | | |
| Household Size | 2.41 | 2.04 | 2.60 |
| Households | 752 | 1,912 | 124,010,992 |
| Family Households | 524 | 924 | 80,755,759 |
| Married couple, w/children | 36.6% | 23.5% | 30.5% |
| Married couple, no children | 46.4% | 52.9% | 42.9% |
| Non Family Households | 228 | 988 | 43,255,233 |
| Single householder, w/children | 10.3% | 14.5% | 15.8% |
| Single householder, no children | 6.7% | 9.1% | 10.8% |