Big Bay, Michigan

Big Bay, Michigan
Aerial view of the harbor at Big Bay
Location within Marquette County
Big Bay
Big Bay
Coordinates: 46°48′57″N 87°43′42″W / 46.81583°N 87.72833°W / 46.81583; -87.72833
CountryUnited States
StateMichigan
CountyMarquette
TownshipPowell
Founded1875
Area
  Total
6.05 sq mi (15.67 km2)
  Land3.90 sq mi (10.09 km2)
  Water2.15 sq mi (5.58 km2)
Elevation
682 ft (208 m)
Population
 (2020)
  Total
257
  Density65.97/sq mi (25.47/km2)
Time zoneUTC−5 (Eastern (EST))
  Summer (DST)UTC−4 (EDT)
ZIP Code
49808
Area code906
FIPS code26-08180
GNIS feature ID621285

Big Bay is an unincorporated community in Marquette County of the U.S. state of Michigan. It is a census-designated place (CDP) for statistical purposes and does not have any legal status as an incorporated municipality. As of the 2020 census, the CDP had a population of 257, down from 319 in 2010. The community is located within Powell Township near the shore of Big Bay on Lake Superior.

Although the Big Bay community is served by the Marquette ZIP code 49855, the Big Bay post office with ZIP code 49808, serves a much larger area to the west and south of the community and CDP, including portions of Powell Township as well as Ishpeming, Champion, Michigamme, and Ely townships.