Algoma is a city in Kewaunee County in the U.S. state of Wisconsin. The population was 3,357 at the 2000 census. Algoma is part of the Green Bay Metropolitan Statistical Area.
Algoma is located at 44°36′30″N 87°26′32″W / 44.608226°N 87.442342°W / 44.608226; -87.442342 (44.608226, -87.442342), along Lake Michigan at the mouth of the Ahnapee River.
According to the United States Census Bureau, the city has a total area of 2.5 square miles (6.4 km2), of which, 2.4 square miles (6.3 km2) of it is land and 0.04 square miles (0.1 km2) of it (1.61%) is water.