1966 United States House of Representatives election in Delaware

For related races, see 1966 United States House of Representatives elections.

The 1966 United States House of Representatives election in Delaware took place on November 8, 1966. Incumbent representative Harris McDowell ran for re-election to a sixth term but lost to republican Bill Roth by 11 percentage points. No democrat would win this seat until 1982

1966 United States House of Representatives election in Delaware

← 1964 November 8, 1966 1968 →

Nominee Bill Roth Harris McDowell Party Republican Democratic Popular vote 90,561 72,142 Percentage 55.77% 44.23%

County results Roth:      50–60%

U.S. Representative before election Harris McDowell Democratic Elected U.S. Representative William Roth Republican

General election

Candidates

• William Roth, candidate for lieutenant governor in 1960
• Harris McDowell, incumbent representative of Delaware's at-large congressional district

Results

General election results^[1]

Party		Candidate	Votes	%	±%
	Republican	William Roth	90,561	55.77%	12.4
	Democratic	Harris McDowell (Incumbent)	72,142	44.23%	12.3
Total votes			162,703	100.00%
	Republican gain from Democratic