| | Jerome, MI | Cement City, MI | United States |
| Population | 4,632 | 538 | 329,725,481 |
| Female Population | 49.8% | 45.0% | 50.5% |
| Male Population | 50.2% | 55.0% | 49.5% |
| Median Age | 44.3 | 40.3 | 38.4 |
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| Population - 2010 | 4,802 | 439 | 309,327,143 |
| Population - 2000 | 4,888 | 452 | 285,036,114 |
| Population - 1990 | 4,470 | 493 | 251,960,433 |
| Pop. 2000 to Now | -3.9% | -6.2% | 15.6% |
| Pop. 1990 to Now | 5.1% | -14.0% | 30.8% |
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| Population Density | 146.5 | 603.8 | 93.4 |
| Land Area | 31.6 | 0.9 | 3,531,905.4 |
| Water Area | 4.1 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Jerome, MI | Cement City, MI | United States |
| Age 0 to 4 | 7.5% | 5.0% | 5.9% |
| Age 5 to 9 | 4.5% | 12.6% | 6.1% |
| Age 10 to 14 | 4.9% | 5.9% | 6.6% |
| Age 15 to 17 | 5.9% | 2.2% | 3.9% |
| Age 18 to 20 | 2.1% | 1.9% | 4.0% |
| Age 21 to 24 | 4.9% | 1.9% | 5.2% |
| Age 25 to 34 | 13.1% | 14.9% | 13.8% |
| Age 35 to 44 | 9.0% | 13.9% | 12.9% |
| Age 45 to 54 | 12.0% | 8.6% | 12.6% |
| Age 55 to 59 | 6.6% | 5.4% | 6.7% |
| Age 60 to 64 | 8.5% | 8.7% | 6.3% |
| Age 65 to 74 | 13.6% | 11.2% | 9.6% |
| Age 75 to 84 | 5.8% | 3.9% | 4.5% |
| Age 85 and over | 1.4% | 3.9% | 1.9% |
| space1 | | | |
| Race | | | |
| | Jerome, MI | Cement City, MI | United States |
| White | 96.2% | 92.4% | 59.4% |
| Black | 0.6% | 0.6% | 12.2% |
| Asian | 0.1% | 0.2% | 5.6% |
| Native American | 0.5% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.2% | 0.2% | 0.4% |
| Two or More Races | 2.0% | 2.8% | 3.2% |
| Hispanic | 0.5% | 3.7% | 18.4% |
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| Marriage & Family | | | |
| | Jerome, MI | Cement City, MI | United States |
| Married Population | 63.6% | 50.1% | 49.8% |
| Currently Married | 63.1% | 46.7% | 48.0% |
| Married but Separated | 0.5% | 3.4% | 1.8% |
| Single Population | 36.4% | 49.9% | 50.2% |
| Never Married | 22.7% | 23.6% | 33.8% |
| Divorced | 9.1% | 17.5% | 10.8% |
| Widowed | 4.5% | 8.8% | 5.6% |
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| Household Size | 2.57 | 2.62 | 2.60 |
| Households | 1,803 | 205 | 124,010,992 |
| Family Households | 1,395 | 145 | 80,755,759 |
| Married couple, w/children | 22.9% | 30.3% | 30.5% |
| Married couple, no children | 61.6% | 26.9% | 42.9% |
| Non Family Households | 408 | 60 | 43,255,233 |
| Single householder, w/children | 11.4% | 16.6% | 15.8% |
| Single householder, no children | 4.0% | 26.2% | 10.8% |