| | Montello, WI | Wautoma, WI | United States |
| Population | 1,429 | 1,925 | 329,725,481 |
| Female Population | 52.3% | 53.4% | 50.5% |
| Male Population | 47.7% | 46.7% | 49.5% |
| Median Age | 55.8 | 36.6 | 38.4 |
| space3 | | | |
| Population - 2010 | 1,487 | 2,201 | 309,327,143 |
| Population - 2000 | 1,397 | 1,998 | 285,036,114 |
| Population - 1990 | 1,329 | 1,784 | 251,960,433 |
| Pop. 2000 to Now | 4.1% | 5.8% | 15.6% |
| Pop. 1990 to Now | 9.4% | 18.5% | 30.8% |
| space4 | | | |
| Population Density | 750.1 | 689.2 | 93.4 |
| Land Area | 1.9 | 2.8 | 3,531,905.4 |
| Water Area | 0.2 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Montello, WI | Wautoma, WI | United States |
| Age 0 to 4 | 3.2% | 4.5% | 5.9% |
| Age 5 to 9 | 5.7% | 8.8% | 6.1% |
| Age 10 to 14 | 4.5% | 7.1% | 6.6% |
| Age 15 to 17 | 3.2% | 5.4% | 3.9% |
| Age 18 to 20 | 4.1% | 2.8% | 4.0% |
| Age 21 to 24 | 2.9% | 4.5% | 5.2% |
| Age 25 to 34 | 8.3% | 15.6% | 13.8% |
| Age 35 to 44 | 8.0% | 11.9% | 12.9% |
| Age 45 to 54 | 9.4% | 8.1% | 12.6% |
| Age 55 to 59 | 8.0% | 2.9% | 6.7% |
| Age 60 to 64 | 10.0% | 9.4% | 6.3% |
| Age 65 to 74 | 14.5% | 8.2% | 9.6% |
| Age 75 to 84 | 9.4% | 5.3% | 4.5% |
| Age 85 and over | 8.7% | 5.6% | 1.9% |
| space1 | | | |
| Race | | | |
| | Montello, WI | Wautoma, WI | United States |
| White | 95.4% | 66.2% | 59.4% |
| Black | 0.6% | 0.5% | 12.2% |
| Asian | 0.0% | 1.4% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 1.7% | 3.4% | 3.2% |
| Hispanic | 2.2% | 28.6% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Montello, WI | Wautoma, WI | United States |
| Married Population | 38.9% | 44.8% | 49.8% |
| Currently Married | 38.2% | 42.9% | 48.0% |
| Married but Separated | 0.7% | 2.0% | 1.8% |
| Single Population | 61.1% | 55.2% | 50.2% |
| Never Married | 24.2% | 34.1% | 33.8% |
| Divorced | 16.1% | 11.4% | 10.8% |
| Widowed | 20.8% | 9.7% | 5.6% |
| space5 | | | |
| Household Size | 1.98 | 2.23 | 2.60 |
| Households | 669 | 803 | 124,010,992 |
| Family Households | 342 | 463 | 80,755,759 |
| Married couple, w/children | 18.4% | 31.3% | 30.5% |
| Married couple, no children | 48.2% | 35.9% | 42.9% |
| Non Family Households | 327 | 340 | 43,255,233 |
| Single householder, w/children | 18.1% | 22.0% | 15.8% |
| Single householder, no children | 15.2% | 10.8% | 10.8% |