Tainter Lake, Wisconsin, United States [CDP]; population was 1,716 in 1990; housing units was 869 in 1990; location is 44°59'N 91°51'W; land area is 18.62 square miles (11,919 acres); water area is 2.84 square miles (1,819 acres); FIPS code is 78980 [SourceCBP]