| | Ludington, WI | Jenison, MI | United States |
| Population | 1,061 | 17,570 | 329,725,481 |
| Female Population | 50.0% | 52.4% | 50.5% |
| Male Population | 50.1% | 47.6% | 49.5% |
| Median Age | 44.6 | 38.9 | 38.4 |
| space3 | | | |
| Population - 2010 | 1,064 | 17,236 | 309,327,143 |
| Population - 2000 | 998 | 17,211 | 285,036,114 |
| Population - 1990 | 906 | 17,882 | 251,960,433 |
| Pop. 2000 to Now | 8.6% | 8.2% | 15.6% |
| Pop. 1990 to Now | 19.7% | 4.2% | 30.8% |
| space4 | | | |
| Population Density | 23.1 | 3,000.9 | 93.4 |
| Land Area | 45.9 | 5.9 | 3,531,905.4 |
| Water Area | 0.2 | 0.1 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Ludington, WI | Jenison, MI | United States |
| Age 0 to 4 | 2.9% | 7.2% | 5.9% |
| Age 5 to 9 | 7.5% | 7.6% | 6.1% |
| Age 10 to 14 | 8.3% | 5.8% | 6.6% |
| Age 15 to 17 | 5.7% | 4.7% | 3.9% |
| Age 18 to 20 | 3.5% | 2.1% | 4.0% |
| Age 21 to 24 | 1.7% | 4.4% | 5.2% |
| Age 25 to 34 | 6.5% | 12.7% | 13.8% |
| Age 35 to 44 | 14.2% | 12.6% | 12.9% |
| Age 45 to 54 | 15.1% | 8.9% | 12.6% |
| Age 55 to 59 | 7.5% | 4.3% | 6.7% |
| Age 60 to 64 | 8.9% | 7.6% | 6.3% |
| Age 65 to 74 | 10.3% | 9.8% | 9.6% |
| Age 75 to 84 | 6.7% | 6.5% | 4.5% |
| Age 85 and over | 1.2% | 5.9% | 1.9% |
| space1 | | | |
| Race | | | |
| | Ludington, WI | Jenison, MI | United States |
| White | 94.3% | 92.7% | 59.4% |
| Black | 0.0% | 0.9% | 12.2% |
| Asian | 1.2% | 0.5% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 1.3% | 0.0% | 0.4% |
| Two or More Races | 2.9% | 2.1% | 3.2% |
| Hispanic | 0.3% | 3.7% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Ludington, WI | Jenison, MI | United States |
| Married Population | 62.9% | 65.1% | 49.8% |
| Currently Married | 62.2% | 64.8% | 48.0% |
| Married but Separated | 0.7% | 0.3% | 1.8% |
| Single Population | 37.1% | 34.9% | 50.2% |
| Never Married | 24.9% | 18.7% | 33.8% |
| Divorced | 5.2% | 6.7% | 10.8% |
| Widowed | 7.0% | 9.5% | 5.6% |
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| Household Size | 2.54 | 2.55 | 2.60 |
| Households | 417 | 6,874 | 124,010,992 |
| Family Households | 299 | 4,924 | 80,755,759 |
| Married couple, w/children | 32.4% | 41.2% | 30.5% |
| Married couple, no children | 57.2% | 47.7% | 42.9% |
| Non Family Households | 118 | 1,950 | 43,255,233 |
| Single householder, w/children | 4.7% | 5.5% | 15.8% |
| Single householder, no children | 5.7% | 5.6% | 10.8% |