| | Chalco, NE | Valley, NE | United States |
| Population | 10,688 | 2,982 | 329,725,481 |
| Female Population | 49.1% | 51.8% | 50.5% |
| Male Population | 50.9% | 48.2% | 49.5% |
| Median Age | 33.8 | 48.5 | 38.4 |
| space3 | | | |
| Population - 2010 | 10,732 | 2,417 | 309,327,143 |
| Population - 2000 | 10,736 | 1,788 | 285,036,114 |
| Population - 1990 | 7,337 | 1,775 | 251,960,433 |
| Pop. 2000 to Now | 12.5% | 63.8% | 15.6% |
| Pop. 1990 to Now | 64.6% | 65.0% | 30.8% |
| space4 | | | |
| Population Density | 3,794.1 | 623.9 | 93.4 |
| Land Area | 2.8 | 4.8 | 3,531,905.4 |
| Water Area | 0.0 | 1.2 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Chalco, NE | Valley, NE | United States |
| Age 0 to 4 | 7.1% | 7.5% | 5.9% |
| Age 5 to 9 | 7.4% | 5.6% | 6.1% |
| Age 10 to 14 | 6.4% | 7.5% | 6.6% |
| Age 15 to 17 | 3.8% | 1.8% | 3.9% |
| Age 18 to 20 | 3.0% | 2.1% | 4.0% |
| Age 21 to 24 | 4.5% | 2.0% | 5.2% |
| Age 25 to 34 | 18.8% | 9.2% | 13.8% |
| Age 35 to 44 | 16.9% | 12.8% | 12.9% |
| Age 45 to 54 | 12.3% | 12.8% | 12.6% |
| Age 55 to 59 | 5.7% | 10.1% | 6.7% |
| Age 60 to 64 | 6.2% | 8.9% | 6.3% |
| Age 65 to 74 | 6.1% | 13.0% | 9.6% |
| Age 75 to 84 | 1.8% | 3.4% | 4.5% |
| Age 85 and over | 0.1% | 3.3% | 1.9% |
| space1 | | | |
| Race | | | |
| | Chalco, NE | Valley, NE | United States |
| White | 86.7% | 96.0% | 59.4% |
| Black | 2.6% | 1.2% | 12.2% |
| Asian | 1.6% | 0.0% | 5.6% |
| Native American | 0.7% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.1% | 0.0% | 0.4% |
| Two or More Races | 4.6% | 0.3% | 3.2% |
| Hispanic | 3.8% | 2.6% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Chalco, NE | Valley, NE | United States |
| Married Population | 56.8% | 59.0% | 49.8% |
| Currently Married | 56.5% | 58.7% | 48.0% |
| Married but Separated | 0.3% | 0.3% | 1.8% |
| Single Population | 43.2% | 41.0% | 50.2% |
| Never Married | 31.0% | 20.6% | 33.8% |
| Divorced | 9.4% | 8.8% | 10.8% |
| Widowed | 2.9% | 11.7% | 5.6% |
| space5 | | | |
| Household Size | 2.54 | 2.17 | 2.60 |
| Households | 4,204 | 1,354 | 124,010,992 |
| Family Households | 2,796 | 855 | 80,755,759 |
| Married couple, w/children | 43.7% | 28.4% | 30.5% |
| Married couple, no children | 37.3% | 49.7% | 42.9% |
| Non Family Households | 1,408 | 499 | 43,255,233 |
| Single householder, w/children | 12.7% | 18.1% | 15.8% |
| Single householder, no children | 6.2% | 3.7% | 10.8% |