Blackhawk Island, Wisconsin

Blackhawk Island is an unincorporated community located in the towns of Koshkonong and Sumner, Jefferson County, Wisconsin, United States. Its best known longtime resident was the poet, Lorine Niedecker.
  • Elevation: 238 m (781 ft)
  • Country: United States
  • State: Wisconsin
  • County: Jefferson
  • Towns: Koshkonong, Sumner
  • Area code: 920
  • GNIS feature ID: 1561899
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