Big Bay, Michigan

Big Bay, Michigan
Census-designated place (CDP) & unincorporated community
Aerial view of the harbor at Big Bay
Location within Marquette County
Big Bay Show map of Michigan Big Bay Show map of the United States
Coordinates: 46°48′57″N 87°43′42″W / 46.81583°N 87.72833°W / 46.81583; -87.72833
Country	United States
State	Michigan
County	Marquette
Township	Powell
Founded	1875
Area [1]
• Total	6.05 sq mi (15.67 km2)
• Land	3.90 sq mi (10.09 km2)
• Water	2.15 sq mi (5.58 km2)
Elevation	682 ft (208 m)
Population  (2020)[2]
• Total	257
• Density	65.97/sq mi (25.47/km2)
Time zone	UTC−5 (Eastern (EST))
• Summer (DST)	UTC−4 (EDT)
ZIP Code	49808
Area code	906
FIPS code	26-08180[3]
GNIS feature ID	621285[4]

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,^[2] 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,^[5] 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.^[6]