Resource provided by UW-Madison Robinson Map Library. This data represents buildings for Dane County, Wisconsin in 2019. [This dataset contains building polygon data for Dane County. The dataset consists of structures the size of a single car garage or larger for Dane County, WI excluding structures within the City of Madison. In the City of Madison, building polygons are included for structures the size of a duplex or larger, except for around the Isthmus area.]