| | East China, MI | Marysville, MI | United States |
| Population | 3,736 | 9,925 | 329,725,481 |
| Female Population | 50.6% | 54.3% | 50.5% |
| Male Population | 49.4% | 45.7% | 49.5% |
| Median Age | 55 | 44.6 | 38.4 |
| space3 | | | |
| Population - 2010 | 3,776 | 9,936 | 309,327,143 |
| Population - 2000 | 3,630 | 9,684 | 285,036,114 |
| Population - 1990 | 3,216 | 8,515 | 251,960,433 |
| Pop. 2000 to Now | 2.4% | -0.4% | 15.6% |
| Pop. 1990 to Now | 15.6% | 13.3% | 30.8% |
| space4 | | | |
| Population Density | 567.5 | 1,354.4 | 93.4 |
| Land Area | 6.6 | 7.3 | 3,531,905.4 |
| Water Area | 1.3 | 1.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | East China, MI | Marysville, MI | United States |
| Age 0 to 4 | 2.5% | 5.0% | 5.9% |
| Age 5 to 9 | 2.9% | 5.5% | 6.1% |
| Age 10 to 14 | 5.0% | 7.1% | 6.6% |
| Age 15 to 17 | 3.4% | 5.4% | 3.9% |
| Age 18 to 20 | 0.7% | 2.0% | 4.0% |
| Age 21 to 24 | 4.2% | 3.6% | 5.2% |
| Age 25 to 34 | 4.1% | 10.2% | 13.8% |
| Age 35 to 44 | 9.8% | 11.7% | 12.9% |
| Age 45 to 54 | 17.4% | 14.1% | 12.6% |
| Age 55 to 59 | 10.9% | 6.6% | 6.7% |
| Age 60 to 64 | 8.6% | 7.0% | 6.3% |
| Age 65 to 74 | 15.4% | 13.7% | 9.6% |
| Age 75 to 84 | 11.6% | 5.8% | 4.5% |
| Age 85 and over | 3.4% | 2.3% | 1.9% |
| space1 | | | |
| Race | | | |
| | East China, MI | Marysville, MI | United States |
| White | 93.8% | 96.5% | 59.4% |
| Black | 1.8% | 0.4% | 12.2% |
| Asian | 0.3% | 0.6% | 5.6% |
| Native American | 0.0% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 0.6% | 1.6% | 3.2% |
| Hispanic | 3.4% | 0.7% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | East China, MI | Marysville, MI | United States |
| Married Population | 61.6% | 53.2% | 49.8% |
| Currently Married | 60.8% | 53.1% | 48.0% |
| Married but Separated | 0.9% | 0.1% | 1.8% |
| Single Population | 38.4% | 46.8% | 50.2% |
| Never Married | 18.1% | 27.1% | 33.8% |
| Divorced | 8.9% | 13.2% | 10.8% |
| Widowed | 11.4% | 6.5% | 5.6% |
| space5 | | | |
| Household Size | 2.15 | 2.27 | 2.60 |
| Households | 1,673 | 4,371 | 124,010,992 |
| Family Households | 1,121 | 2,807 | 80,755,759 |
| Married couple, w/children | 12.9% | 24.6% | 30.5% |
| Married couple, no children | 75.1% | 50.4% | 42.9% |
| Non Family Households | 552 | 1,564 | 43,255,233 |
| Single householder, w/children | 7.3% | 19.6% | 15.8% |
| Single householder, no children | 4.6% | 5.4% | 10.8% |