| | Curtis, NE | Loup City, NE | United States |
| Population | 794 | 973 | 329,725,481 |
| Female Population | 51.4% | 57.6% | 50.5% |
| Male Population | 48.6% | 42.5% | 49.5% |
| Median Age | 31.3 | 51.1 | 38.4 |
| space3 | | | |
| Population - 2010 | 940 | 1,030 | 309,327,143 |
| Population - 2000 | 832 | 996 | 285,036,114 |
| Population - 1990 | 791 | 1,104 | 251,960,433 |
| Pop. 2000 to Now | 5.2% | -3.6% | 15.6% |
| Pop. 1990 to Now | 10.6% | -13.0% | 30.8% |
| space4 | | | |
| Population Density | 661.7 | 1,032.9 | 93.4 |
| Land Area | 1.2 | 0.9 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Curtis, NE | Loup City, NE | United States |
| Age 0 to 4 | 5.5% | 4.1% | 5.9% |
| Age 5 to 9 | 5.2% | 2.4% | 6.1% |
| Age 10 to 14 | 6.0% | 9.9% | 6.6% |
| Age 15 to 17 | 2.8% | 3.5% | 3.9% |
| Age 18 to 20 | 14.9% | 2.7% | 4.0% |
| Age 21 to 24 | 9.3% | 4.5% | 5.2% |
| Age 25 to 34 | 7.7% | 7.0% | 13.8% |
| Age 35 to 44 | 11.1% | 12.3% | 12.9% |
| Age 45 to 54 | 8.7% | 10.5% | 12.6% |
| Age 55 to 59 | 6.0% | 5.3% | 6.7% |
| Age 60 to 64 | 6.8% | 3.6% | 6.3% |
| Age 65 to 74 | 10.3% | 12.4% | 9.6% |
| Age 75 to 84 | 3.1% | 10.3% | 4.5% |
| Age 85 and over | 2.5% | 11.5% | 1.9% |
| space1 | | | |
| Race | | | |
| | Curtis, NE | Loup City, NE | United States |
| White | 85.6% | 92.0% | 59.4% |
| Black | 2.6% | 0.0% | 12.2% |
| Asian | 0.0% | 0.1% | 5.6% |
| Native American | 0.0% | 0.4% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.1% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 5.3% | 1.6% | 3.2% |
| Hispanic | 6.4% | 5.8% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Curtis, NE | Loup City, NE | United States |
| Married Population | 43.1% | 45.1% | 49.8% |
| Currently Married | 42.5% | 42.8% | 48.0% |
| Married but Separated | 0.6% | 2.3% | 1.8% |
| Single Population | 56.9% | 54.9% | 50.2% |
| Never Married | 42.4% | 20.4% | 33.8% |
| Divorced | 10.0% | 15.1% | 10.8% |
| Widowed | 4.5% | 19.4% | 5.6% |
| space5 | | | |
| Household Size | 2.38 | 1.99 | 2.60 |
| Households | 287 | 462 | 124,010,992 |
| Family Households | 169 | 248 | 80,755,759 |
| Married couple, w/children | 38.5% | 23.4% | 30.5% |
| Married couple, no children | 48.5% | 44.0% | 42.9% |
| Non Family Households | 118 | 214 | 43,255,233 |
| Single householder, w/children | 11.2% | 26.6% | 15.8% |
| Single householder, no children | 1.8% | 6.0% | 10.8% |