Sullivan is located in Muskegon County, Michigan. Sullivan has a 2025 population of 2,723 . Sullivan is currently growing at a rate of 1.04% annually and its population has increased by 6.87% since the most recent census, which recorded a population of 2,548 in 2020.
The average household income in Sullivan is $70,080 with a poverty rate of 11.44%. The median age in Sullivan is 45.6 years: 42.6 years for males, and 48.3 years for females. For every 100 females there are 96.9 males.
Data after 2023 is projected based on recent change
The racial composition of Sullivan includes 93.29% White, 4% Native American, and smaller percentages for Two or more races, Black or African American and multiracial populations.
White (93.29%)
Native American (4%)
Two or more races (1.78%)
Black or African American (0.93%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 2,405 | 93.29% |
| Native American | 103 | 4% |
| Two or more races | 46 | 1.78% |
| Black or African American | 24 | 0.93% |
Married
Widowed
Divorced
Separated
Never Married
Sullivan's average per capita income is $45,677. Household income levels show a median of $57,778. The poverty rate stands at 11.44%.
Name | Median | Mean |
|---|---|---|
| Married Families | $82,650 | - |
| Families | $65,521 | $76,903 |
| Households | $57,778 | $70,080 |
| Non Families | $38,750 | $42,831 |
Average Income
Median Household Income
Poverty Rate