| | Jasonville, IN | Monrovia, IN | United States |
| Population | 1,935 | 1,467 | 329,725,481 |
| Female Population | 51.0% | 51.3% | 50.5% |
| Male Population | 49.0% | 48.7% | 49.5% |
| Median Age | 35.5 | 30.6 | 38.4 |
| space3 | | | |
| Population - 2010 | 2,225 | 1,074 | 309,327,143 |
| Population - 2000 | 2,490 | 628 | 285,036,114 |
| Population - 1990 | 2,200 | 719 | 251,960,433 |
| Pop. 2000 to Now | -14.0% | 165.9% | 15.6% |
| Pop. 1990 to Now | -2.7% | 132.3% | 30.8% |
| space4 | | | |
| Population Density | 1,478.2 | 827.4 | 93.4 |
| Land Area | 1.3 | 1.8 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Jasonville, IN | Monrovia, IN | United States |
| Age 0 to 4 | 9.1% | 13.6% | 5.9% |
| Age 5 to 9 | 11.2% | 3.8% | 6.1% |
| Age 10 to 14 | 5.7% | 8.8% | 6.6% |
| Age 15 to 17 | 3.2% | 5.1% | 3.9% |
| Age 18 to 20 | 2.1% | 5.9% | 4.0% |
| Age 21 to 24 | 4.0% | 3.2% | 5.2% |
| Age 25 to 34 | 14.1% | 14.6% | 13.8% |
| Age 35 to 44 | 11.2% | 12.7% | 12.9% |
| Age 45 to 54 | 12.2% | 11.1% | 12.6% |
| Age 55 to 59 | 9.3% | 8.8% | 6.7% |
| Age 60 to 64 | 3.9% | 5.1% | 6.3% |
| Age 65 to 74 | 5.8% | 6.1% | 9.6% |
| Age 75 to 84 | 4.5% | 0.9% | 4.5% |
| Age 85 and over | 3.8% | 0.3% | 1.9% |
| space1 | | | |
| Race | | | |
| | Jasonville, IN | Monrovia, IN | United States |
| White | 98.7% | 90.8% | 59.4% |
| Black | 0.0% | 1.8% | 12.2% |
| Asian | 0.0% | 0.8% | 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% | 5.8% | 3.2% |
| Hispanic | 0.0% | 0.8% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Jasonville, IN | Monrovia, IN | United States |
| Married Population | 47.6% | 50.6% | 49.8% |
| Currently Married | 46.3% | 49.0% | 48.0% |
| Married but Separated | 1.3% | 1.6% | 1.8% |
| Single Population | 52.4% | 49.4% | 50.2% |
| Never Married | 23.6% | 28.0% | 33.8% |
| Divorced | 19.4% | 16.9% | 10.8% |
| Widowed | 9.4% | 4.5% | 5.6% |
| space5 | | | |
| Household Size | 2.49 | 2.95 | 2.60 |
| Households | 757 | 497 | 124,010,992 |
| Family Households | 445 | 432 | 80,755,759 |
| Married couple, w/children | 42.2% | 28.5% | 30.5% |
| Married couple, no children | 28.8% | 31.5% | 42.9% |
| Non Family Households | 312 | 65 | 43,255,233 |
| Single householder, w/children | 21.1% | 27.1% | 15.8% |
| Single householder, no children | 7.9% | 13.0% | 10.8% |