Barron is a city in Barron County (of which it is the county seat), in the U.S. state of Wisconsin. The population was 3,248 at the 2000 census. The city is located within the Town of Barron.
Barron is located at 45°24′1″N 91°50′52″W / 45.40028°N 91.84778°W / 45.40028; -91.84778 (45.400527, -91.847948).
According to the United States Census Bureau, the city has a total area of 2.8 square miles (7.4 km²), of which, 2.8 square miles (7.1 km²) of it is land and 0.1 square miles (0.2 km²) of it (2.82%) is water.