| | Pulaski, TN | Rock Falls, IL | United States |
| Population | 8,163 | 8,807 | 329,725,481 |
| Female Population | 51.0% | 52.0% | 50.5% |
| Male Population | 49.0% | 48.0% | 49.5% |
| Median Age | 38.3 | 39.4 | 38.4 |
| space3 | | | |
| Population - 2010 | 7,836 | 9,394 | 309,327,143 |
| Population - 2000 | 7,871 | 9,580 | 285,036,114 |
| Population - 1990 | 7,895 | 9,654 | 251,960,433 |
| Pop. 2000 to Now | -4.4% | -9.7% | 15.6% |
| Pop. 1990 to Now | -4.7% | -10.4% | 30.8% |
| space4 | | | |
| Population Density | 1,087.5 | 2,212.8 | 93.4 |
| Land Area | 7.5 | 4.0 | 3,531,905.4 |
| Water Area | 0.0 | 0.1 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Pulaski, TN | Rock Falls, IL | United States |
| Age 0 to 4 | 8.4% | 6.6% | 5.9% |
| Age 5 to 9 | 5.4% | 4.3% | 6.1% |
| Age 10 to 14 | 6.1% | 8.7% | 6.6% |
| Age 15 to 17 | 3.3% | 4.7% | 3.9% |
| Age 18 to 20 | 6.2% | 3.4% | 4.0% |
| Age 21 to 24 | 3.6% | 4.5% | 5.2% |
| Age 25 to 34 | 14.6% | 11.9% | 13.8% |
| Age 35 to 44 | 10.4% | 12.0% | 12.9% |
| Age 45 to 54 | 10.3% | 11.4% | 12.6% |
| Age 55 to 59 | 8.2% | 5.2% | 6.7% |
| Age 60 to 64 | 5.3% | 10.2% | 6.3% |
| Age 65 to 74 | 9.5% | 10.2% | 9.6% |
| Age 75 to 84 | 6.7% | 4.7% | 4.5% |
| Age 85 and over | 2.0% | 2.2% | 1.9% |
| space1 | | | |
| Race | | | |
| | Pulaski, TN | Rock Falls, IL | United States |
| White | 70.1% | 77.3% | 59.4% |
| Black | 20.8% | 0.4% | 12.2% |
| Asian | 0.2% | 0.1% | 5.6% |
| Native American | 0.0% | 0.4% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.7% | 0.0% | 0.4% |
| Two or More Races | 4.0% | 0.4% | 3.2% |
| Hispanic | 4.3% | 21.6% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Pulaski, TN | Rock Falls, IL | United States |
| Married Population | 36.9% | 40.3% | 49.8% |
| Currently Married | 30.9% | 38.9% | 48.0% |
| Married but Separated | 6.1% | 1.4% | 1.8% |
| Single Population | 63.1% | 59.7% | 50.2% |
| Never Married | 37.8% | 34.5% | 33.8% |
| Divorced | 15.7% | 16.8% | 10.8% |
| Widowed | 9.7% | 8.4% | 5.6% |
| space5 | | | |
| Household Size | 2.30 | 2.25 | 2.60 |
| Households | 3,274 | 3,871 | 124,010,992 |
| Family Households | 1,862 | 2,114 | 80,755,759 |
| Married couple, w/children | 14.6% | 25.3% | 30.5% |
| Married couple, no children | 39.7% | 31.6% | 42.9% |
| Non Family Households | 1,412 | 1,757 | 43,255,233 |
| Single householder, w/children | 27.7% | 29.6% | 15.8% |
| Single householder, no children | 18.0% | 13.6% | 10.8% |