Greenfield is a charming city in Milwaukee County containing 17 Greenfield Parks as well as 5 County Parks.. A suburb of Milwaukee, Greenfield is one of many bedroom communities in the Milwaukee metropolitan area.  As of 2010, the population was 36,720.  Greenfield has 2 school districts -- Greenfield School District and Whitnall School District.  

     A little History about Greenfield -- On December 20, 1839, the south portion of the Town of Kinnikennick was split off to form the town of Franklin. As of the 1840 census, the population of the Town of Kinnikennick or Kinnikinnick was 404.  Then on February 19, 1841, the name of the town was changed to Greenfield, taking its name from the name of the Post Office in the Town of Kinnickinnic. Greenfield was the final municipality in Milwaukee County to incorporate and was the final municipality to leave the Town form of government in 1957.