| | Elk Mound, WI | Colfax, WI | United States |
| Population | 1,139 | 1,359 | 329,725,481 |
| Female Population | 49.7% | 54.2% | 50.5% |
| Male Population | 50.3% | 45.8% | 49.5% |
| Median Age | 30.1 | 43.2 | 38.4 |
| space3 | | | |
| Population - 2010 | 878 | 1,164 | 309,327,143 |
| Population - 2000 | 785 | 1,136 | 285,036,114 |
| Population - 1990 | 765 | 1,110 | 251,960,433 |
| Pop. 2000 to Now | 12.6% | 1.3% | 15.6% |
| Pop. 1990 to Now | 15.6% | 3.7% | 30.8% |
| space4 | | | |
| Population Density | 500.2 | 979.8 | 93.4 |
| Land Area | 2.3 | 1.4 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Elk Mound, WI | Colfax, WI | United States |
| Age 0 to 4 | 8.2% | 7.1% | 5.9% |
| Age 5 to 9 | 10.1% | 6.2% | 6.1% |
| Age 10 to 14 | 8.6% | 5.7% | 6.6% |
| Age 15 to 17 | 4.7% | 4.6% | 3.9% |
| Age 18 to 20 | 4.2% | 1.0% | 4.0% |
| Age 21 to 24 | 7.3% | 2.3% | 5.2% |
| Age 25 to 34 | 14.0% | 14.3% | 13.8% |
| Age 35 to 44 | 19.1% | 10.1% | 12.9% |
| Age 45 to 54 | 9.1% | 9.3% | 12.6% |
| Age 55 to 59 | 2.8% | 13.5% | 6.7% |
| Age 60 to 64 | 3.4% | 5.2% | 6.3% |
| Age 65 to 74 | 6.2% | 12.8% | 9.6% |
| Age 75 to 84 | 2.0% | 5.0% | 4.5% |
| Age 85 and over | 0.2% | 2.9% | 1.9% |
| space1 | | | |
| Race | | | |
| | Elk Mound, WI | Colfax, WI | United States |
| White | 89.6% | 86.8% | 59.4% |
| Black | 0.4% | 0.0% | 12.2% |
| Asian | 4.4% | 5.9% | 5.6% |
| Native American | 0.0% | 1.4% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 2.5% | 5.7% | 3.2% |
| Hispanic | 3.2% | 0.1% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Elk Mound, WI | Colfax, WI | United States |
| Married Population | 42.9% | 33.2% | 49.8% |
| Currently Married | 40.6% | 32.6% | 48.0% |
| Married but Separated | 2.3% | 0.5% | 1.8% |
| Single Population | 57.1% | 66.8% | 50.2% |
| Never Married | 30.0% | 32.5% | 33.8% |
| Divorced | 22.0% | 21.6% | 10.8% |
| Widowed | 5.2% | 12.7% | 5.6% |
| space5 | | | |
| Household Size | 2.86 | 2.16 | 2.60 |
| Households | 398 | 601 | 124,010,992 |
| Family Households | 268 | 332 | 80,755,759 |
| Married couple, w/children | 42.5% | 19.0% | 30.5% |
| Married couple, no children | 18.7% | 31.9% | 42.9% |
| Non Family Households | 130 | 269 | 43,255,233 |
| Single householder, w/children | 27.6% | 22.6% | 15.8% |
| Single householder, no children | 11.2% | 26.5% | 10.8% |