| | Franklin, AR | Grand Mound, IA | United States |
| Population | 144 | 563 | 329,725,481 |
| Female Population | 38.9% | 51.2% | 50.5% |
| Male Population | 61.1% | 48.9% | 49.5% |
| Median Age | 39.4 | 36.6 | 38.4 |
| space3 | | | |
| Population - 2010 | 193 | 641 | 309,327,143 |
| Population - 2000 | 184 | 676 | 285,036,114 |
| Population - 1990 | 205 | 619 | 251,960,433 |
| Pop. 2000 to Now | 3.8% | -12.6% | 15.6% |
| Pop. 1990 to Now | -6.8% | -4.5% | 30.8% |
| space4 | | | |
| Population Density | 67.5 | 309.5 | 93.4 |
| Land Area | 2.1 | 1.8 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Franklin, AR | Grand Mound, IA | United States |
| Age 0 to 4 | 6.3% | 8.0% | 5.9% |
| Age 5 to 9 | 0.0% | 9.4% | 6.1% |
| Age 10 to 14 | 0.7% | 4.1% | 6.6% |
| Age 15 to 17 | 8.3% | 2.3% | 3.9% |
| Age 18 to 20 | 0.0% | 2.7% | 4.0% |
| Age 21 to 24 | 0.7% | 6.0% | 5.2% |
| Age 25 to 34 | 19.4% | 15.1% | 13.8% |
| Age 35 to 44 | 18.1% | 7.5% | 12.9% |
| Age 45 to 54 | 8.3% | 10.7% | 12.6% |
| Age 55 to 59 | 15.3% | 8.7% | 6.7% |
| Age 60 to 64 | 8.3% | 2.8% | 6.3% |
| Age 65 to 74 | 11.8% | 15.1% | 9.6% |
| Age 75 to 84 | 1.4% | 4.8% | 4.5% |
| Age 85 and over | 1.4% | 2.8% | 1.9% |
| space1 | | | |
| Race | | | |
| | Franklin, AR | Grand Mound, IA | United States |
| White | 86.8% | 89.2% | 59.4% |
| Black | 0.0% | 0.0% | 12.2% |
| Asian | 0.0% | 0.0% | 5.6% |
| Native American | 1.4% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.4% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 10.4% | 4.1% | 3.2% |
| Hispanic | 1.4% | 6.4% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Franklin, AR | Grand Mound, IA | United States |
| Married Population | 36.6% | 54.3% | 49.8% |
| Currently Married | 31.3% | 53.8% | 48.0% |
| Married but Separated | 5.2% | 0.5% | 1.8% |
| Single Population | 63.4% | 45.7% | 50.2% |
| Never Married | 46.3% | 30.1% | 33.8% |
| Divorced | 14.2% | 8.6% | 10.8% |
| Widowed | 3.0% | 7.0% | 5.6% |
| space5 | | | |
| Household Size | 2.62 | 2.54 | 2.60 |
| Households | 55 | 222 | 124,010,992 |
| Family Households | 32 | 158 | 80,755,759 |
| Married couple, w/children | 0.0% | 22.8% | 30.5% |
| Married couple, no children | 65.6% | 50.6% | 42.9% |
| Non Family Households | 23 | 64 | 43,255,233 |
| Single householder, w/children | 31.3% | 14.6% | 15.8% |
| Single householder, no children | 3.1% | 12.0% | 10.8% |