Rock River township is located in Alger County, Michigan. Rock River township has a 2026 population of 1,225. Rock River township is currently declining at a rate of -0.33% annually and its population has decreased by -1.37% since the most recent census, which recorded a population of 1,242 in 2020.
The median household income in Rock River township is $63,235 with a poverty rate of 10.82%. The median age in Rock River township is 48.6 years: 48.6 years for males, and 48.3 years for females. For every 100 females there are 94.2 males.
Data after 2023 is projected based on recent change
Overall: 48.6 years
Female: 48.3 years
Male: 48.6 years
There are 879 adults, (332 of whom are seniors) in Rock River township.
Female: 604 (51.5%)
Male: 569 (48.5%)
The racial composition of Rock River township includes 96.25% White, and smaller percentages for Native American, Black or African American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 1,129 | 96.25% |
| Two or more races | 38 | 3.24% |
| Native American | 5 | 0.43% |
| Black or African American | 1 | 0.09% |
Rock River township 's average per capita income is $49,653. Household income levels show a median of $63,235. The poverty rate stands at 10.82%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $86,250 | - |
| Families | $71,875 | $95,411 |
| Households | $63,235 | $81,854 |
| Non Families | $38,750 | $46,449 |
Average Income
Median Household Income
Poverty Rate