The Wisconsin District recording the highest corn for grain production in 2019 was the South Central District with 118 million bushels according to estimates released by the USDA’s National Agricultural Statistics Service.
Rock County was the largest corn producing county with 27.0 million bushels. Grant, Dane, Lafayette, and Dodge rounded out the top five.
Rock led all counties in Wisconsin with a county average yield of 199.7 bushels per acre. Grant (198.3), Lafayette (196.6), Iowa (192.4), and Green (189.2) Counties rounded out the top five. Ten counties exceeded the 180 bushel per acre yield mark.
Yields are derived from production divided by area harvested. Only published estimates were considered in rankings of districts and counties.