Apartments For Rent Fond Du Lac County Wisconsin . Lt0 wisconsin st, cascade, wi 53011. Fond du lac county apartments for rent; 2019 Best Places to Live in Fond du Lac County, WI Niche from www.niche.com Milwaukee county homes for rent; According to the city's 2010 comprehensive annual financial report, the top employers here include mercy health system, the janesville school district, rock county, ghc specialty brands/lab safety supply inc., walmart/sam's club, blain's farm & fleet and j.p. It contains 8 bedrooms and 6 bathrooms.