Rock River Township, Michigan

Rock River Township, Michigan
Location within Alger County (red) and the administered village of Chatham (pink)
Rock River Township
Location within the state of Michigan
Rock River Township
Location within the United States
Coordinates: 46°21′05″N 86°57′56″W / 46.35139°N 86.96556°W / 46.35139; -86.96556
Country United States
State Michigan
County Alger
Government
  SupervisorTeri Grout
  ClerkDawn Leppanen
Area
  Total
81.0 sq mi (209.8 km2)
  Land80.7 sq mi (209.1 km2)
  Water0.3 sq mi (0.7 km2)
Elevation
988 ft (301 m)
Population
 (2020)
  Total
1,231
  Density15.0/sq mi (5.8/km2)
Time zoneUTC-5 (Eastern (EST))
  Summer (DST)UTC-4 (EDT)
ZIP code(s)
49806 (Au Train)
49816 (Chatham)
49822 (Deerton)
49825 (Eben Junction)
49826 (Rumely)
49885 (Skandia)
49891 (Trenary)
Area code906
FIPS code26-69160
GNIS feature ID1626993

Rock River Township is a civil township of Alger County in the U.S. state of Michigan. The population was 1,231 at the 2020 census.