Essexville, town (1990 pop. 4,088), Bay co., E Mich., suburb 2 mi/3.2 km ENE of Bay City and near mouth of Saginaw R., on Saginaw Bay; 43°36'N 83°50'W. Cement and asphalt mfg. Area was part of an Indian reservation, 18191837. Inc. as village 1883; as city 1934.