| | Spring Lake, MI | Waverly, MI | United States |
| Population | 2,518 | 23,328 | 329,725,481 |
| Female Population | 54.1% | 51.7% | 50.5% |
| Male Population | 45.9% | 48.3% | 49.5% |
| Median Age | 51.4 | 42.5 | 38.4 |
| space3 | | | |
| Population - 2010 | 2,321 | 24,737 | 309,327,143 |
| Population - 2000 | 2,514 | 16,194 | 285,036,114 |
| Population - 1990 | 2,537 | 15,614 | 251,960,433 |
| Pop. 2000 to Now | -0.4% | 53.9% | 15.6% |
| Pop. 1990 to Now | -1.3% | 59.6% | 30.8% |
| space4 | | | |
| Population Density | 2,016.0 | 2,572.6 | 93.4 |
| Land Area | 1.2 | 9.1 | 3,531,905.4 |
| Water Area | 0.7 | 0.1 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Spring Lake, MI | Waverly, MI | United States |
| Age 0 to 4 | 3.1% | 4.0% | 5.9% |
| Age 5 to 9 | 6.9% | 3.8% | 6.1% |
| Age 10 to 14 | 4.7% | 4.0% | 6.6% |
| Age 15 to 17 | 2.0% | 2.4% | 3.9% |
| Age 18 to 20 | 2.3% | 3.1% | 4.0% |
| Age 21 to 24 | 2.4% | 6.3% | 5.2% |
| Age 25 to 34 | 10.6% | 16.4% | 13.8% |
| Age 35 to 44 | 12.0% | 12.2% | 12.9% |
| Age 45 to 54 | 8.9% | 11.0% | 12.6% |
| Age 55 to 59 | 5.4% | 8.2% | 6.7% |
| Age 60 to 64 | 10.8% | 6.3% | 6.3% |
| Age 65 to 74 | 18.7% | 12.7% | 9.6% |
| Age 75 to 84 | 8.8% | 6.3% | 4.5% |
| Age 85 and over | 3.3% | 3.3% | 1.9% |
| space1 | | | |
| Race | | | |
| | Spring Lake, MI | Waverly, MI | United States |
| White | 90.0% | 68.7% | 59.4% |
| Black | 0.1% | 14.0% | 12.2% |
| Asian | 1.2% | 6.3% | 5.6% |
| Native American | 0.1% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.5% | 0.0% | 0.4% |
| Two or More Races | 5.5% | 3.8% | 3.2% |
| Hispanic | 2.6% | 7.2% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Spring Lake, MI | Waverly, MI | United States |
| Married Population | 59.5% | 46.9% | 49.8% |
| Currently Married | 59.0% | 46.3% | 48.0% |
| Married but Separated | 0.5% | 0.6% | 1.8% |
| Single Population | 40.5% | 53.1% | 50.2% |
| Never Married | 18.9% | 33.8% | 33.8% |
| Divorced | 14.7% | 13.2% | 10.8% |
| Widowed | 6.9% | 6.2% | 5.6% |
| space5 | | | |
| Household Size | 1.98 | 2.02 | 2.60 |
| Households | 1,266 | 11,421 | 124,010,992 |
| Family Households | 740 | 6,218 | 80,755,759 |
| Married couple, w/children | 22.7% | 20.7% | 30.5% |
| Married couple, no children | 59.2% | 52.5% | 42.9% |
| Non Family Households | 526 | 5,203 | 43,255,233 |
| Single householder, w/children | 8.2% | 13.4% | 15.8% |
| Single householder, no children | 9.9% | 13.3% | 10.8% |