| | Lignite, ND | Cody, NE | United States |
| Population | 200 | 206 | 329,725,481 |
| Female Population | 51.0% | 47.6% | 50.5% |
| Male Population | 49.0% | 52.4% | 49.5% |
| Median Age | 29.9 | 48.3 | 38.4 |
| space3 | | | |
| Population - 2010 | 154 | 153 | 309,327,143 |
| Population - 2000 | 174 | 149 | 285,036,114 |
| Population - 1990 | 242 | 177 | 251,960,433 |
| Pop. 2000 to Now | 27.0% | 5.4% | 15.6% |
| Pop. 1990 to Now | -8.7% | -11.3% | 30.8% |
| space4 | | | |
| Population Density | 1,282.1 | 200.0 | 93.4 |
| Land Area | 0.2 | 1.0 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Lignite, ND | Cody, NE | United States |
| Age 0 to 4 | 7.0% | 10.2% | 5.9% |
| Age 5 to 9 | 11.5% | 5.3% | 6.1% |
| Age 10 to 14 | 9.0% | 4.4% | 6.6% |
| Age 15 to 17 | 7.5% | 3.9% | 3.9% |
| Age 18 to 20 | 0.0% | 2.4% | 4.0% |
| Age 21 to 24 | 5.5% | 1.5% | 5.2% |
| Age 25 to 34 | 19.0% | 14.1% | 13.8% |
| Age 35 to 44 | 6.0% | 6.3% | 12.9% |
| Age 45 to 54 | 7.5% | 19.9% | 12.6% |
| Age 55 to 59 | 5.5% | 5.3% | 6.7% |
| Age 60 to 64 | 3.5% | 7.3% | 6.3% |
| Age 65 to 74 | 9.5% | 6.3% | 9.6% |
| Age 75 to 84 | 7.0% | 5.3% | 4.5% |
| Age 85 and over | 1.5% | 7.8% | 1.9% |
| space1 | | | |
| Race | | | |
| | Lignite, ND | Cody, NE | United States |
| White | 99.0% | 89.3% | 59.4% |
| Black | 0.0% | 0.0% | 12.2% |
| Asian | 1.0% | 0.0% | 5.6% |
| Native American | 0.0% | 4.9% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 0.0% | 5.8% | 3.2% |
| Hispanic | 0.0% | 0.0% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Lignite, ND | Cody, NE | United States |
| Married Population | 60.7% | 63.6% | 49.8% |
| Currently Married | 60.7% | 61.8% | 48.0% |
| Married but Separated | 0.0% | 1.8% | 1.8% |
| Single Population | 39.3% | 36.4% | 50.2% |
| Never Married | 20.0% | 23.6% | 33.8% |
| Divorced | 10.3% | 3.6% | 10.8% |
| Widowed | 9.0% | 9.1% | 5.6% |
| space5 | | | |
| Household Size | 2.78 | 2.19 | 2.60 |
| Households | 72 | 94 | 124,010,992 |
| Family Households | 48 | 54 | 80,755,759 |
| Married couple, w/children | 39.6% | 20.4% | 30.5% |
| Married couple, no children | 47.9% | 64.8% | 42.9% |
| Non Family Households | 24 | 40 | 43,255,233 |
| Single householder, w/children | 12.5% | 11.1% | 15.8% |
| Single householder, no children | 0.0% | 3.7% | 10.8% |