| | Cisco, IL | Eastland, TX | United States |
| Population | 293 | 3,647 | 329,725,481 |
| Female Population | 52.6% | 53.3% | 50.5% |
| Male Population | 47.4% | 46.7% | 49.5% |
| Median Age | 42.1 | 51.1 | 38.4 |
| space3 | | | |
| Population - 2010 | 256 | 3,976 | 309,327,143 |
| Population - 2000 | 264 | 3,769 | 285,036,114 |
| Population - 1990 | 282 | 3,690 | 251,960,433 |
| Pop. 2000 to Now | -8.3% | 2.5% | 15.6% |
| Pop. 1990 to Now | -14.2% | 4.7% | 30.8% |
| space4 | | | |
| Population Density | 1,609.9 | 859.5 | 93.4 |
| Land Area | 0.2 | 4.2 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Cisco, IL | Eastland, TX | United States |
| Age 0 to 4 | 8.5% | 3.9% | 5.9% |
| Age 5 to 9 | 5.8% | 1.0% | 6.1% |
| Age 10 to 14 | 1.4% | 3.4% | 6.6% |
| Age 15 to 17 | 2.0% | 2.6% | 3.9% |
| Age 18 to 20 | 7.2% | 2.6% | 4.0% |
| Age 21 to 24 | 3.1% | 1.9% | 5.2% |
| Age 25 to 34 | 17.1% | 9.4% | 13.8% |
| Age 35 to 44 | 13.7% | 17.5% | 12.9% |
| Age 45 to 54 | 15.0% | 11.2% | 12.6% |
| Age 55 to 59 | 7.9% | 3.3% | 6.7% |
| Age 60 to 64 | 6.5% | 14.1% | 6.3% |
| Age 65 to 74 | 5.1% | 18.7% | 9.6% |
| Age 75 to 84 | 3.8% | 3.0% | 4.5% |
| Age 85 and over | 3.1% | 7.4% | 1.9% |
| space1 | | | |
| Race | | | |
| | Cisco, IL | Eastland, TX | United States |
| White | 96.6% | 84.2% | 59.4% |
| Black | 0.0% | 2.4% | 12.2% |
| Asian | 0.0% | 0.9% | 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 | 3.4% | 0.5% | 3.2% |
| Hispanic | 0.0% | 11.8% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Cisco, IL | Eastland, TX | United States |
| Married Population | 39.7% | 44.1% | 49.8% |
| Currently Married | 39.7% | 42.3% | 48.0% |
| Married but Separated | 0.0% | 1.7% | 1.8% |
| Single Population | 60.3% | 55.9% | 50.2% |
| Never Married | 34.8% | 31.4% | 33.8% |
| Divorced | 21.5% | 19.6% | 10.8% |
| Widowed | 4.0% | 4.9% | 5.6% |
| space5 | | | |
| Household Size | 2.36 | 2.27 | 2.60 |
| Households | 124 | 1,530 | 124,010,992 |
| Family Households | 85 | 847 | 80,755,759 |
| Married couple, w/children | 25.9% | 17.1% | 30.5% |
| Married couple, no children | 31.8% | 54.0% | 42.9% |
| Non Family Households | 39 | 683 | 43,255,233 |
| Single householder, w/children | 18.8% | 11.2% | 15.8% |
| Single householder, no children | 23.5% | 17.7% | 10.8% |