| | Cedar Springs, MI | North Plymouth, MA | United States |
| Population | 3,635 | 4,246 | 329,725,481 |
| Female Population | 56.5% | 49.0% | 50.5% |
| Male Population | 43.5% | 51.0% | 49.5% |
| Median Age | 39.5 | 42.7 | 38.4 |
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| Population - 2010 | 3,488 | 3,782 | 309,327,143 |
| Population - 2000 | 3,112 | 3,593 | 285,036,114 |
| Population - 1990 | 2,600 | 3,450 | 251,960,433 |
| Pop. 2000 to Now | 20.3% | 8.1% | 15.6% |
| Pop. 1990 to Now | 44.0% | 12.6% | 30.8% |
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| Population Density | 1,871.8 | 3,413.2 | 93.4 |
| Land Area | 1.9 | 1.2 | 3,531,905.4 |
| Water Area | 0.1 | 2.2 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Cedar Springs, MI | North Plymouth, MA | United States |
| Age 0 to 4 | 7.9% | 3.0% | 5.9% |
| Age 5 to 9 | 5.2% | 3.1% | 6.1% |
| Age 10 to 14 | 5.9% | 3.9% | 6.6% |
| Age 15 to 17 | 1.9% | 3.3% | 3.9% |
| Age 18 to 20 | 2.3% | 2.1% | 4.0% |
| Age 21 to 24 | 7.1% | 3.5% | 5.2% |
| Age 25 to 34 | 14.0% | 20.4% | 13.8% |
| Age 35 to 44 | 12.7% | 16.1% | 12.9% |
| Age 45 to 54 | 17.1% | 11.6% | 12.6% |
| Age 55 to 59 | 5.0% | 10.0% | 6.7% |
| Age 60 to 64 | 10.5% | 6.6% | 6.3% |
| Age 65 to 74 | 4.3% | 12.0% | 9.6% |
| Age 75 to 84 | 4.3% | 2.2% | 4.5% |
| Age 85 and over | 1.5% | 2.2% | 1.9% |
| space1 | | | |
| Race | | | |
| | Cedar Springs, MI | North Plymouth, MA | United States |
| White | 87.0% | 86.3% | 59.4% |
| Black | 1.4% | 2.9% | 12.2% |
| Asian | 0.2% | 0.0% | 5.6% |
| Native American | 0.3% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 3.8% | 0.4% |
| Two or More Races | 2.9% | 4.5% | 3.2% |
| Hispanic | 8.1% | 2.4% | 18.4% |
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| Marriage & Family | | | |
| | Cedar Springs, MI | North Plymouth, MA | United States |
| Married Population | 42.0% | 40.5% | 49.8% |
| Currently Married | 40.1% | 38.9% | 48.0% |
| Married but Separated | 1.9% | 1.5% | 1.8% |
| Single Population | 58.0% | 59.5% | 50.2% |
| Never Married | 29.4% | 41.5% | 33.8% |
| Divorced | 17.1% | 11.4% | 10.8% |
| Widowed | 11.5% | 6.6% | 5.6% |
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| Household Size | 2.27 | 2.18 | 2.60 |
| Households | 1,566 | 1,911 | 124,010,992 |
| Family Households | 923 | 926 | 80,755,759 |
| Married couple, w/children | 16.0% | 27.9% | 30.5% |
| Married couple, no children | 38.6% | 40.3% | 42.9% |
| Non Family Households | 643 | 985 | 43,255,233 |
| Single householder, w/children | 29.3% | 10.2% | 15.8% |
| Single householder, no children | 16.1% | 21.7% | 10.8% |