List of U.S. Counties Named After Rivers - H

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• Hillsborough County, Florida: Hillsborough is named for the Hillsborough River (Florida), which in turn is named after Wills Hill, Viscount Hillsborough, a British politician during the period of the American Revolutionary War who ordered the mapping of the river's course.
• Hocking County, Ohio: Hocking is named for the Hocking River.
• Hood River County, Oregon: Named for the Hood River, a river in the county.
• Humboldt County, Nevada: Humboldt is named for the Humboldt River, named in turn for Friedrich Heinrich Alexander von Humboldt, the famous German scientist, explorer and statesman.