| | Humboldt, NE | Menomonee Falls, WI | United States |
| Population | 913 | 38,219 | 329,725,481 |
| Female Population | 42.7% | 53.0% | 50.5% |
| Male Population | 57.3% | 47.1% | 49.5% |
| Median Age | 49.7 | 41.6 | 38.4 |
| space3 | | | |
| Population - 2010 | 878 | 35,625 | 309,327,143 |
| Population - 2000 | 941 | 32,647 | 285,036,114 |
| Population - 1990 | 1,003 | 26,840 | 251,960,433 |
| Pop. 2000 to Now | -15.4% | 17.1% | 15.6% |
| Pop. 1990 to Now | -20.6% | 42.5% | 30.8% |
| space4 | | | |
| Population Density | 684.4 | 1,161.4 | 93.4 |
| Land Area | 1.3 | 32.9 | 3,531,905.4 |
| Water Area | 0.0 | 0.4 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Humboldt, NE | Menomonee Falls, WI | United States |
| Age 0 to 4 | 2.6% | 5.8% | 5.9% |
| Age 5 to 9 | 5.3% | 7.0% | 6.1% |
| Age 10 to 14 | 4.8% | 5.9% | 6.6% |
| Age 15 to 17 | 1.2% | 4.7% | 3.9% |
| Age 18 to 20 | 5.7% | 3.1% | 4.0% |
| Age 21 to 24 | 2.5% | 2.8% | 5.2% |
| Age 25 to 34 | 13.5% | 10.9% | 13.8% |
| Age 35 to 44 | 8.5% | 13.8% | 12.9% |
| Age 45 to 54 | 11.7% | 12.8% | 12.6% |
| Age 55 to 59 | 8.5% | 7.3% | 6.7% |
| Age 60 to 64 | 11.0% | 6.8% | 6.3% |
| Age 65 to 74 | 11.9% | 9.4% | 9.6% |
| Age 75 to 84 | 9.2% | 5.5% | 4.5% |
| Age 85 and over | 3.5% | 4.1% | 1.9% |
| space1 | | | |
| Race | | | |
| | Humboldt, NE | Menomonee Falls, WI | United States |
| White | 87.3% | 84.3% | 59.4% |
| Black | 0.0% | 4.1% | 12.2% |
| Asian | 0.0% | 4.3% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.1% | 0.2% |
| Other | 0.0% | 0.4% | 0.4% |
| Two or More Races | 1.9% | 2.1% | 3.2% |
| Hispanic | 10.8% | 4.7% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Humboldt, NE | Menomonee Falls, WI | United States |
| Married Population | 39.9% | 59.5% | 49.8% |
| Currently Married | 37.0% | 59.0% | 48.0% |
| Married but Separated | 2.9% | 0.5% | 1.8% |
| Single Population | 60.1% | 40.5% | 50.2% |
| Never Married | 30.4% | 24.2% | 33.8% |
| Divorced | 20.6% | 8.3% | 10.8% |
| Widowed | 9.2% | 8.0% | 5.6% |
| space5 | | | |
| Household Size | 2.23 | 2.42 | 2.60 |
| Households | 396 | 15,736 | 124,010,992 |
| Family Households | 210 | 10,425 | 80,755,759 |
| Married couple, w/children | 13.8% | 36.2% | 30.5% |
| Married couple, no children | 50.0% | 48.4% | 42.9% |
| Non Family Households | 186 | 5,311 | 43,255,233 |
| Single householder, w/children | 24.8% | 8.5% | 15.8% |
| Single householder, no children | 11.4% | 6.9% | 10.8% |