Rock River township Flag

Rock River township

County:
Alger County
County Seat:
No
Area (mi²):
80.689
State:
Michigan

Rock River township is located in Alger County, Michigan. Rock River township has a 2025 population of 1,237. Rock River township is currently declining at a rate of -0.16% annually and its population has decreased by -0.4% since the most recent census, which recorded a population of 1,242 in 2020.

The average household income in Rock River township is $81,391 with a poverty rate of 14.89%. The median age in Rock River township is 45.7 years: 49.3 years for males, and 43.4 years for females.

1.2K
Total Population
15
Density (mi²)
-2 -0.16%
Growth

Rock River township Population

Rock River township Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Rock River township includes 97.26% White, and smaller percentages for Two or more races, Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Other race

Race
Population
Percentage (of total)
White99597.26%
Two or more races272.64%
Black or African American10.1%
Native American00%
Asian00%
Native Hawaiian or Pacific Islander00%
Other race00%

Rock River township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Rock River township's average per capita income is $41,111. Household income levels show a median of $69,917. The poverty rate stands at 14.89%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$95,536-
Families$86,250$97,544
Households$69,917$81,391
Non Families$30,625$38,132

$41,111

Average Income

$69,917

Median Household Income

14.89%

Poverty Rate

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)