Hamilton County is the name of ten counties in the United States of America, eight of them named for Alexander Hamilton, first United States Secretary of the Treasury:

  • Hamilton County, Florida
  • Hamilton County, Illinois
  • Hamilton County, Indiana
  • Hamilton County, Iowa (named for William W. Hamilton, president of the Iowa state senate)
  • Hamilton County, Kansas, the least populous county on the list
  • Hamilton County, Nebraska
  • Hamilton County, New York, the most sparsely populated county in the eastern half of the United States
  • Hamilton County, Ohio, the most populous county on the list
  • Hamilton County, Tennessee
  • Hamilton County, Texas (named for James Hamilton Jr., Governor of South Carolina from 1830 to 1832)

See also

  • Hamilton County Fair (disambiguation)