1958 Wisconsin lieutenant gubernatorial election

The Democratic primary election was held on September 9, 1958. Former Chair of the Democratic Party of Wisconsin Philleo Nash received a plurality of the votes (47.34%), and was thus elected as the nominee for the general election.^[3]

1958 Democratic lieutenant gubernatorial primary

Party		Candidate	Votes	%
	Democratic	Philleo Nash	110,526	47.34%
	Democratic	Jerome D. Grant	93,091	39.88%
	Democratic	Albert Di Piazza	29,848	12.78%
Total votes			233,465	100.00%

On election day, November 4, 1958, Democratic nominee Philleo Nash won the election by a margin of 6,148 votes against his opponent incumbent Republican lieutenant governor Warren P. Knowles, thereby gaining Democratic control over the office of lieutenant governor. Nash was sworn in as the 33rd lieutenant governor of Wisconsin on January 5, 1959.^[4]

Wisconsin lieutenant gubernatorial election, 1958

Party		Candidate	Votes	%
	Democratic	Philleo Nash	587,209	50.26
	Republican	Warren P. Knowles (incumbent)	581,061	49.74
		Scattering	40	0.00
Total votes			1,168,310	100.00
	Democratic gain from Republican