Bloomer is a city in Chippewa County located within the Town of Woodmohr in the U.S. state of Wisconsin. The population of the city of Bloomer is 3,539, after the 2010 census. The city of Bloomer is located south of the Town of Bloomer, which is also in Chippewa County. Portions of the city of Bloomer's urban area have been recently extended into the Town of Bloomer.
Bloomer is located at 45°6′7″N 91°29′30″W / 45.10194°N 91.49167°W / 45.10194; -91.49167 (45.102171, -91.491767).
According to the United States Census Bureau, the city has a total area of 2.8 square miles (7.1 km²), of which, 2.7 square miles (7.0 km²) of it is land and 0.1 square miles (0.2 km²) of it (2.18%) is water.