Nelson Dewey Democratic The 1848 Wisconsin gubernatorial election was held on May 8, 1848.

Democrat Nelson Dewey, of Grant County, won the election with nearly 56% of the vote.

Dewey defeated Whig Party candidate John Hubbard Tweedy, of Milwaukee.

Nelson Dewey was a prominent lawyer and real-estate investor in Grant County, Wisconsin.

He did extensive business with the lead-mining industry, which was a major component of the economy of the Wisconsin Territory.