Delaware's 18th Senate district

Delaware's 18th Senate district is one of 21 districts in the Delaware Senate. It has been represented by Republican David Wilson since 2018, succeeding fellow Republican F. Gary Simpson.^[3]

Delaware's 18th State Senate district
Senator	David Wilson R–Milford
Registration	37.2% Republican 36.4% Democratic 26.4% No party preference
Demographics	68% White 18% Black 11% Hispanic 1% Asian 2% Other
Population (2018)	48,421[1]
Registered voters	33,101[2]

Geography

District 18 covers southern Kent County and northern Sussex County, including the communities of Milford, Harrington, Greenwood, Ellendale, Houston, Farmington, Slaughter Beach, and Lincoln.^[4][5]

Like all districts in the state, the 18th Senate district is located entirely within Delaware's at-large congressional district. It overlaps with the 20th, 30th, 33rd, 35th, and 36th districts of the Delaware House of Representatives.^[6] It borders the state of Maryland. At over 280 square miles, it is the largest legislative district in the state.^[1]

Recent election results

Delaware Senators are elected to staggered four-year terms. Under normal circumstances, the 18th district holds elections in midterm years, except immediately after redistricting, when all seats are up for election regardless of usual cycle.

2024

Delaware Senate 10th district general election, 2024

Party		Candidate	Votes	%
	Republican	David L. Wilson (incumbent)	18,563	100%
Total votes			18,563	100%
	Republican hold

2018

2018 Delaware Senate election, District 18^[7]

Party		Candidate	Votes	%
	Republican	David Wilson	10,816	65.2
	Democratic	James Purcell	5,783	34.8
Total votes			16,599	100
	Republican hold

2014

2014 Delaware Senate election, District 18^[7]

Party		Candidate	Votes	%
	Republican	F. Gary Simpson (incumbent)	7,853	66.7
	Democratic	Patrick Emory	3,917	33.3
Total votes			11,770	100
	Republican hold

2012

2012 Delaware Senate election, District 18^[7]

Primary election
Party		Candidate	Votes	%
	Republican	F. Gary Simpson (incumbent)	1,515	68.0
	Republican	Matthew Opaliski	712	32.0
Total votes			2,227	100
General election
	Republican	F. Gary Simpson (incumbent)	13,198	100
Total votes			13,198	100
	Republican hold

Federal and statewide results

Year	Office	Results[8][9]
2020	President	Trump 59.1 – 39.3%
2016	President	Trump 61.6 – 33.9%
2014	Senate	Wade 57.8 – 40.5%
2012	President	Romney 56.7 – 41.9%
	Senate	Carper 52.4 – 40.9%
	Governor	Markell 54.8 – 42.9%