| | Matchwood, MI | Mountain Grove, MO | United States |
| Population | 122 | 4,386 | 329,725,481 |
| Female Population | 41.8% | 51.7% | 50.5% |
| Male Population | 58.2% | 48.3% | 49.5% |
| Median Age | 57.4 | 41.6 | 38.4 |
| space3 | | | |
| Population - 2010 | 94 | 4,791 | 309,327,143 |
| Population - 2000 | 115 | 4,574 | 285,036,114 |
| Population - 1990 | 122 | 4,182 | 251,960,433 |
| Pop. 2000 to Now | -33.0% | 2.9% | 15.6% |
| Pop. 1990 to Now | -36.9% | 12.5% | 30.8% |
| space4 | | | |
| Population Density | 1.1 | 1,092.4 | 93.4 |
| Land Area | 109.5 | 4.0 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Matchwood, MI | Mountain Grove, MO | United States |
| Age 0 to 4 | 0.0% | 10.9% | 5.9% |
| Age 5 to 9 | 0.0% | 5.1% | 6.1% |
| Age 10 to 14 | 0.0% | 7.6% | 6.6% |
| Age 15 to 17 | 0.0% | 3.5% | 3.9% |
| Age 18 to 20 | 0.8% | 2.9% | 4.0% |
| Age 21 to 24 | 0.8% | 1.8% | 5.2% |
| Age 25 to 34 | 24.6% | 9.8% | 13.8% |
| Age 35 to 44 | 3.3% | 17.4% | 12.9% |
| Age 45 to 54 | 3.3% | 9.5% | 12.6% |
| Age 55 to 59 | 35.2% | 7.1% | 6.7% |
| Age 60 to 64 | 4.9% | 4.0% | 6.3% |
| Age 65 to 74 | 13.1% | 9.3% | 9.6% |
| Age 75 to 84 | 13.9% | 8.0% | 4.5% |
| Age 85 and over | 0.0% | 3.1% | 1.9% |
| space1 | | | |
| Race | | | |
| | Matchwood, MI | Mountain Grove, MO | United States |
| White | 93.4% | 90.0% | 59.4% |
| Black | 0.0% | 0.1% | 12.2% |
| Asian | 0.0% | 1.0% | 5.6% |
| Native American | 0.0% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 0.0% | 6.6% | 3.2% |
| Hispanic | 6.6% | 2.1% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Matchwood, MI | Mountain Grove, MO | United States |
| Married Population | 61.5% | 47.6% | 49.8% |
| Currently Married | 60.7% | 43.7% | 48.0% |
| Married but Separated | 0.8% | 3.9% | 1.8% |
| Single Population | 38.5% | 52.4% | 50.2% |
| Never Married | 26.2% | 21.8% | 33.8% |
| Divorced | 7.4% | 22.2% | 10.8% |
| Widowed | 4.9% | 8.4% | 5.6% |
| space5 | | | |
| Household Size | 2.54 | 2.47 | 2.60 |
| Households | 48 | 1,748 | 124,010,992 |
| Family Households | 35 | 1,186 | 80,755,759 |
| Married couple, w/children | 0.0% | 37.7% | 30.5% |
| Married couple, no children | 97.1% | 28.9% | 42.9% |
| Non Family Households | 13 | 562 | 43,255,233 |
| Single householder, w/children | 0.0% | 26.0% | 15.8% |
| Single householder, no children | 2.9% | 7.4% | 10.8% |