| | Dysart, IA | Shepherdsville, KY | United States |
| Population | 1,578 | 13,918 | 329,725,481 |
| Female Population | 45.4% | 52.3% | 50.5% |
| Male Population | 54.6% | 47.7% | 49.5% |
| Median Age | 42.7 | 35.5 | 38.4 |
| space3 | | | |
| Population - 2010 | 1,373 | 11,172 | 309,327,143 |
| Population - 2000 | 1,303 | 8,334 | 285,036,114 |
| Population - 1990 | 1,230 | 4,805 | 251,960,433 |
| Pop. 2000 to Now | 0.6% | 47.6% | 15.6% |
| Pop. 1990 to Now | 6.6% | 155.9% | 30.8% |
| space4 | | | |
| Population Density | 1,267.5 | 959.1 | 93.4 |
| Land Area | 1.2 | 14.5 | 3,531,905.4 |
| Water Area | 0.0 | 0.3 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Dysart, IA | Shepherdsville, KY | United States |
| Age 0 to 4 | 6.3% | 7.5% | 5.9% |
| Age 5 to 9 | 6.3% | 8.1% | 6.1% |
| Age 10 to 14 | 7.7% | 5.8% | 6.6% |
| Age 15 to 17 | 5.9% | 3.2% | 3.9% |
| Age 18 to 20 | 5.7% | 3.7% | 4.0% |
| Age 21 to 24 | 0.7% | 6.2% | 5.2% |
| Age 25 to 34 | 10.4% | 14.6% | 13.8% |
| Age 35 to 44 | 10.7% | 13.9% | 12.9% |
| Age 45 to 54 | 13.9% | 13.5% | 12.6% |
| Age 55 to 59 | 4.9% | 6.5% | 6.7% |
| Age 60 to 64 | 8.9% | 7.2% | 6.3% |
| Age 65 to 74 | 10.5% | 7.4% | 9.6% |
| Age 75 to 84 | 4.0% | 1.8% | 4.5% |
| Age 85 and over | 4.2% | 0.5% | 1.9% |
| space1 | | | |
| Race | | | |
| | Dysart, IA | Shepherdsville, KY | United States |
| White | 93.3% | 90.5% | 59.4% |
| Black | 0.8% | 2.1% | 12.2% |
| Asian | 4.8% | 1.2% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.2% | 0.4% |
| Two or More Races | 1.1% | 3.2% | 3.2% |
| Hispanic | 0.1% | 2.7% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Dysart, IA | Shepherdsville, KY | United States |
| Married Population | 60.6% | 53.4% | 49.8% |
| Currently Married | 60.6% | 51.9% | 48.0% |
| Married but Separated | 0.0% | 1.5% | 1.8% |
| Single Population | 39.4% | 46.6% | 50.2% |
| Never Married | 23.5% | 28.2% | 33.8% |
| Divorced | 9.5% | 12.8% | 10.8% |
| Widowed | 6.4% | 5.6% | 5.6% |
| space5 | | | |
| Household Size | 2.50 | 2.56 | 2.60 |
| Households | 620 | 5,344 | 124,010,992 |
| Family Households | 411 | 3,627 | 80,755,759 |
| Married couple, w/children | 27.3% | 30.2% | 30.5% |
| Married couple, no children | 58.2% | 40.7% | 42.9% |
| Non Family Households | 209 | 1,717 | 43,255,233 |
| Single householder, w/children | 14.1% | 22.7% | 15.8% |
| Single householder, no children | 0.5% | 6.5% | 10.8% |