| | Clare, MI | Houghton Lake, MI | United States |
| Population | 3,312 | 5,734 | 329,725,481 |
| Female Population | 60.2% | 49.0% | 50.5% |
| Male Population | 39.9% | 51.0% | 49.5% |
| Median Age | 41.8 | 52.4 | 38.4 |
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| Population - 2010 | 3,134 | 3,390 | 309,327,143 |
| Population - 2000 | 3,173 | 3,749 | 285,036,114 |
| Population - 1990 | 3,021 | 3,353 | 251,960,433 |
| Pop. 2000 to Now | -3.8% | -5.6% | 15.6% |
| Pop. 1990 to Now | 1.1% | 5.6% | 30.8% |
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| Population Density | 889.8 | 976.5 | 93.4 |
| Land Area | 3.7 | 5.9 | 3,531,905.4 |
| Water Area | 0.1 | 1.6 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Clare, MI | Houghton Lake, MI | United States |
| Age 0 to 4 | 5.8% | 4.3% | 5.9% |
| Age 5 to 9 | 8.5% | 4.8% | 6.1% |
| Age 10 to 14 | 5.4% | 5.7% | 6.6% |
| Age 15 to 17 | 2.6% | 2.5% | 3.9% |
| Age 18 to 20 | 2.9% | 1.7% | 4.0% |
| Age 21 to 24 | 3.6% | 2.6% | 5.2% |
| Age 25 to 34 | 14.0% | 10.5% | 13.8% |
| Age 35 to 44 | 10.3% | 10.3% | 12.9% |
| Age 45 to 54 | 17.0% | 10.4% | 12.6% |
| Age 55 to 59 | 4.1% | 7.9% | 6.7% |
| Age 60 to 64 | 5.1% | 11.0% | 6.3% |
| Age 65 to 74 | 10.9% | 16.1% | 9.6% |
| Age 75 to 84 | 6.0% | 8.4% | 4.5% |
| Age 85 and over | 3.9% | 4.0% | 1.9% |
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| Race | | | |
| | Clare, MI | Houghton Lake, MI | United States |
| White | 93.5% | 96.9% | 59.4% |
| Black | 1.2% | 0.1% | 12.2% |
| Asian | 0.0% | 0.0% | 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 | 5.3% | 1.9% | 3.2% |
| Hispanic | 0.0% | 1.1% | 18.4% |
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| Marriage & Family | | | |
| | Clare, MI | Houghton Lake, MI | United States |
| Married Population | 42.0% | 53.5% | 49.8% |
| Currently Married | 40.8% | 52.1% | 48.0% |
| Married but Separated | 1.2% | 1.4% | 1.8% |
| Single Population | 58.0% | 46.5% | 50.2% |
| Never Married | 26.1% | 21.5% | 33.8% |
| Divorced | 25.5% | 17.4% | 10.8% |
| Widowed | 6.5% | 7.6% | 5.6% |
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| Household Size | 2.56 | 2.09 | 2.60 |
| Households | 1,259 | 2,705 | 124,010,992 |
| Family Households | 637 | 1,547 | 80,755,759 |
| Married couple, w/children | 40.8% | 18.6% | 30.5% |
| Married couple, no children | 34.5% | 61.5% | 42.9% |
| Non Family Households | 622 | 1,158 | 43,255,233 |
| Single householder, w/children | 14.0% | 12.2% | 15.8% |
| Single householder, no children | 10.7% | 7.8% | 10.8% |