Mason Ford Livingston Wabash Champaign / Lawrence Edwards Stark Piatt / Jo Daviess Stephenson Adams / Douglas Moultrie Putnam Gallatin Wabash / Johnson Jefferson Williamson Massac Winnebago McHenry / Jo Daviess Stephenson Johnson Jefferson / Douglas Piatt Christian Gallatin Alexander / Jo Daviess / /
ProvinceOrState
Illinois / In Jo Daviess County / Jo Daviess County / Will County / Cook County / Alexander County / Top Ten Urban Grassland Acreage Urban Grassland Cook County / Mississippi Rivers Calhoun County / /
Ranking of Counties by Acreage in Grassland GRASSLAND Grassland Statewide Approximately 19 percent, or 6.9 million acres, of Illinois’ total surface area is covered by grassland.