| | Hortonville, WI | Greenville, WI | United States |
| Population | 3,033 | 12,548 | 329,725,481 |
| Female Population | 51.5% | 50.2% | 50.5% |
| Male Population | 48.5% | 49.8% | 49.5% |
| Median Age | 44.6 | 39.3 | 38.4 |
| space3 | | | |
| Population - 2010 | 2,706 | 10,376 | 309,327,143 |
| Population - 2000 | 2,357 | 6,844 | 285,036,114 |
| Population - 1990 | 2,029 | 3,806 | 251,960,433 |
| Pop. 2000 to Now | 26.3% | 83.1% | 15.6% |
| Pop. 1990 to Now | 46.7% | 229.2% | 30.8% |
| space4 | | | |
| Population Density | 894.2 | 351.3 | 93.4 |
| Land Area | 3.4 | 35.7 | 3,531,905.4 |
| Water Area | 0.1 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Hortonville, WI | Greenville, WI | United States |
| Age 0 to 4 | 4.8% | 7.2% | 5.9% |
| Age 5 to 9 | 5.7% | 9.3% | 6.1% |
| Age 10 to 14 | 6.2% | 7.2% | 6.6% |
| Age 15 to 17 | 3.9% | 4.4% | 3.9% |
| Age 18 to 20 | 1.9% | 2.3% | 4.0% |
| Age 21 to 24 | 4.7% | 1.7% | 5.2% |
| Age 25 to 34 | 11.4% | 10.2% | 13.8% |
| Age 35 to 44 | 12.0% | 17.0% | 12.9% |
| Age 45 to 54 | 12.7% | 13.8% | 12.6% |
| Age 55 to 59 | 5.5% | 7.8% | 6.7% |
| Age 60 to 64 | 10.8% | 7.5% | 6.3% |
| Age 65 to 74 | 15.9% | 9.0% | 9.6% |
| Age 75 to 84 | 4.0% | 1.9% | 4.5% |
| Age 85 and over | 0.4% | 0.8% | 1.9% |
| space1 | | | |
| Race | | | |
| | Hortonville, WI | Greenville, WI | United States |
| White | 94.8% | 93.6% | 59.4% |
| Black | 0.0% | 0.2% | 12.2% |
| Asian | 0.7% | 3.8% | 5.6% |
| Native American | 0.0% | 0.3% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 1.6% | 2.0% | 3.2% |
| Hispanic | 2.9% | 0.1% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Hortonville, WI | Greenville, WI | United States |
| Married Population | 61.9% | 70.8% | 49.8% |
| Currently Married | 61.7% | 70.7% | 48.0% |
| Married but Separated | 0.2% | 0.1% | 1.8% |
| Single Population | 38.1% | 29.2% | 50.2% |
| Never Married | 24.9% | 18.9% | 33.8% |
| Divorced | 10.8% | 7.8% | 10.8% |
| Widowed | 2.4% | 2.4% | 5.6% |
| space5 | | | |
| Household Size | 2.62 | 2.67 | 2.60 |
| Households | 1,154 | 4,705 | 124,010,992 |
| Family Households | 838 | 3,741 | 80,755,759 |
| Married couple, w/children | 26.3% | 41.1% | 30.5% |
| Married couple, no children | 55.7% | 49.1% | 42.9% |
| Non Family Households | 316 | 964 | 43,255,233 |
| Single householder, w/children | 12.8% | 6.9% | 15.8% |
| Single householder, no children | 5.3% | 3.0% | 10.8% |