| | Wood Lake, NE | Valentine, NE | United States |
| Population | 27 | 2,634 | 329,725,481 |
| Female Population | 51.9% | 47.8% | 50.5% |
| Male Population | 48.2% | 52.2% | 49.5% |
| Median Age | 74.2 | 34 | 38.4 |
| space3 | | | |
| Population - 2010 | 63 | 2,727 | 309,327,143 |
| Population - 2000 | 72 | 2,820 | 285,036,114 |
| Population - 1990 | 59 | 2,826 | 251,960,433 |
| Pop. 2000 to Now | -11.1% | -2.7% | 15.6% |
| Pop. 1990 to Now | 8.5% | -2.9% | 30.8% |
| space4 | | | |
| Population Density | 85.2 | 1,143.7 | 93.4 |
| Land Area | 0.3 | 2.3 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Wood Lake, NE | Valentine, NE | United States |
| Age 0 to 4 | 0.0% | 8.8% | 5.9% |
| Age 5 to 9 | 0.0% | 4.4% | 6.1% |
| Age 10 to 14 | 0.0% | 9.6% | 6.6% |
| Age 15 to 17 | 3.7% | 4.4% | 3.9% |
| Age 18 to 20 | 0.0% | 4.2% | 4.0% |
| Age 21 to 24 | 0.0% | 4.1% | 5.2% |
| Age 25 to 34 | 18.5% | 15.1% | 13.8% |
| Age 35 to 44 | 11.1% | 12.3% | 12.9% |
| Age 45 to 54 | 11.1% | 5.7% | 12.6% |
| Age 55 to 59 | 0.0% | 5.5% | 6.7% |
| Age 60 to 64 | 0.0% | 7.7% | 6.3% |
| Age 65 to 74 | 33.3% | 7.6% | 9.6% |
| Age 75 to 84 | 22.2% | 2.8% | 4.5% |
| Age 85 and over | 0.0% | 7.8% | 1.9% |
| space1 | | | |
| Race | | | |
| | Wood Lake, NE | Valentine, NE | United States |
| White | 100.0% | 80.2% | 59.4% |
| Black | 0.0% | 0.1% | 12.2% |
| Asian | 0.0% | 2.8% | 5.6% |
| Native American | 0.0% | 4.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 0.0% | 7.9% | 3.2% |
| Hispanic | 0.0% | 4.9% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Wood Lake, NE | Valentine, NE | United States |
| Married Population | 81.5% | 50.4% | 49.8% |
| Currently Married | 81.5% | 50.4% | 48.0% |
| Married but Separated | 0.0% | 0.0% | 1.8% |
| Single Population | 18.5% | 49.6% | 50.2% |
| Never Married | 14.8% | 30.2% | 33.8% |
| Divorced | 0.0% | 10.9% | 10.8% |
| Widowed | 3.7% | 8.5% | 5.6% |
| space5 | | | |
| Household Size | 1.59 | 2.50 | 2.60 |
| Households | 17 | 1,036 | 124,010,992 |
| Family Households | 13 | 591 | 80,755,759 |
| Married couple, w/children | 15.4% | 37.9% | 30.5% |
| Married couple, no children | 84.6% | 45.0% | 42.9% |
| Non Family Households | 4 | 445 | 43,255,233 |
| Single householder, w/children | 0.0% | 14.9% | 15.8% |
| Single householder, no children | 0.0% | 2.2% | 10.8% |