| | Grant, NE | Tishomingo, MS | United States |
| Population | 1,456 | 457 | 329,725,481 |
| Female Population | 48.8% | 51.6% | 50.5% |
| Male Population | 51.2% | 48.4% | 49.5% |
| Median Age | 39.5 | 31.6 | 38.4 |
| space3 | | | |
| Population - 2010 | 1,173 | 365 | 309,327,143 |
| Population - 2000 | 1,225 | 316 | 285,036,114 |
| Population - 1990 | 1,239 | 332 | 251,960,433 |
| Pop. 2000 to Now | -9.9% | 11.4% | 15.6% |
| Pop. 1990 to Now | -10.9% | 6.0% | 30.8% |
| space4 | | | |
| Population Density | 1,908.3 | 826.4 | 93.4 |
| Land Area | 0.8 | 0.6 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Grant, NE | Tishomingo, MS | United States |
| Age 0 to 4 | 6.8% | 14.4% | 5.9% |
| Age 5 to 9 | 9.8% | 6.1% | 6.1% |
| Age 10 to 14 | 6.6% | 3.5% | 6.6% |
| Age 15 to 17 | 3.5% | 2.2% | 3.9% |
| Age 18 to 20 | 4.7% | 2.8% | 4.0% |
| Age 21 to 24 | 1.2% | 3.9% | 5.2% |
| Age 25 to 34 | 10.5% | 21.7% | 13.8% |
| Age 35 to 44 | 14.1% | 4.8% | 12.9% |
| Age 45 to 54 | 8.9% | 14.9% | 12.6% |
| Age 55 to 59 | 5.2% | 1.8% | 6.7% |
| Age 60 to 64 | 8.1% | 5.3% | 6.3% |
| Age 65 to 74 | 12.0% | 7.4% | 9.6% |
| Age 75 to 84 | 2.9% | 9.2% | 4.5% |
| Age 85 and over | 5.6% | 2.0% | 1.9% |
| space1 | | | |
| Race | | | |
| | Grant, NE | Tishomingo, MS | United States |
| White | 91.1% | 84.9% | 59.4% |
| Black | 0.3% | 4.4% | 12.2% |
| Asian | 0.6% | 0.0% | 5.6% |
| Native American | 0.1% | 0.7% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 1.6% | 6.1% | 3.2% |
| Hispanic | 6.3% | 3.9% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Grant, NE | Tishomingo, MS | United States |
| Married Population | 64.2% | 61.7% | 49.8% |
| Currently Married | 63.0% | 58.8% | 48.0% |
| Married but Separated | 1.2% | 2.9% | 1.8% |
| Single Population | 35.8% | 38.3% | 50.2% |
| Never Married | 18.7% | 16.4% | 33.8% |
| Divorced | 7.5% | 8.4% | 10.8% |
| Widowed | 9.7% | 13.5% | 5.6% |
| space5 | | | |
| Household Size | 2.55 | 2.46 | 2.60 |
| Households | 562 | 186 | 124,010,992 |
| Family Households | 397 | 128 | 80,755,759 |
| Married couple, w/children | 36.0% | 48.4% | 30.5% |
| Married couple, no children | 53.9% | 29.7% | 42.9% |
| Non Family Households | 165 | 58 | 43,255,233 |
| Single householder, w/children | 7.1% | 11.7% | 15.8% |
| Single householder, no children | 3.0% | 10.2% | 10.8% |