Township Of Rock River MI Demographic Data and Boundary Map


Township Of Rock River, MI

The Township Of Rock River is a County Subdivision of Alger County. The subdivision has a T1 Census Class Code which indicates that the Township Of Rock River is an active county subdivision that is not coextensive with an incorporated place.

Also See: Alger County Data | Cities in Alger County | County Subdivisions in Alger County

Township Of Rock River Boundary Map


Township Of Rock River Data & Demographics (As of July 1, 2017)


Total Population 1,179
Population in Households 1,174
Population in Familes 956
Population in Group Qrtrs 5
Population Density1 15
Diversity Index2 14


Total Households 500
Average Household Size 2.35
Family Households 337
Average Family Size 3


Total Housing Units 689 (100%)
Owner Occupied HU 450 (65.3%)
Renter Occupied HU 50 ( 7.3%)
Vacant Housing Units 189 (27.4%)
Median Home Value $130,198
Average Home Value $163,889


Median Household Income $43,108
Average Household Income $54,473
Per Capita Income $24,038
  (Compound Annual Growth Rates)


2010-2014 2014-2019
Population -0.38% -0.43%
Households -0.49% -0.53%
Families -0.83% -0.66%
Median Household Income   2.09%
Per Capita Income   2.43%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.