Delaware State Senate District 15

Tue, Nov 3 · Represented by Dave Lawson Republican (not a candidate in 2026) · Member list as of Oct 28

Nisha LodhaviaDemocratic

No published poll names both candidates.Last result · 2022 general (different candidates): Dave Lawson (R) 100.0

Emily A. ThompsonRepublican

Last election: Dave Lawson (Republican) was unopposed, 2022
On the 2026 ballot: 2 candidates

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More about this race

Candidates on the ballot

Open seat

The current holder, Dave Lawson, is not on the candidate list.

Nisha LodhaviaDemocratic
Emily A. ThompsonRepublican

Source: elections.delaware.gov, dated Oct 28

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Official results for Delaware

History (17 elections for this seat)

Delaware Senate District 15, 1968 to 2022, 2022, every candidate
Candidate	Party	Votes and share	Share
RepublicanDave LawsonWon(incumbent)	Republican	11,814100.0%	100.0%

Votes for listed candidates: 26,360
Election day: November 3, 2020
District map: Older district map (2012 to 2021)

Delaware Senate District 15, 1968 to 2022, 2020, every candidate
Candidate	Party	Votes and share	Share
RepublicanDave LawsonWon(incumbent)Name as filed: David Lawson	Republican	14,58755.3%	55.3%
DemocraticJaci Hugg	Democratic	11,77344.7%	44.7%

Delaware Senate District 15, 1968 to 2022, 2016, every candidate
Candidate	Party	Votes and share	Share
RepublicanDave LawsonWon(incumbent)Name as filed: David G. Lawson	Republican	15,036100.0%	100.0%

Votes for listed candidates: 18,875
Election day: November 6, 2012
District map: Older district map (2012 to 2021)

Delaware Senate District 15, 1968 to 2022, 2012, every candidate
Candidate	Party	Votes and share	Share
RepublicanDave LawsonWon(incumbent)	Republican	9,54750.6%	50.6%
DemocraticKathleen Cooke	Democratic	9,00447.7%	47.7%
IndependentCatherine R. Samardza	Independent	3241.7%	1.7%

Votes for listed candidates: 15,993
Election day: November 2, 2010
District map: Older district map (2002 to 2011)

Delaware Senate District 15, 1968 to 2022, 2010, every candidate
Candidate	Party	Votes and share	Share
RepublicanDavid G. LawsonWon	Republican	8,37052.3%	52.3%
DemocraticNancy W. Cook(incumbent)	Democratic	7,62347.7%	47.7%

Delaware Senate District 15, 1968 to 2022, 2006, every candidate
Candidate	Party	Votes and share	Share
DemocraticNancy CookWon(incumbent)	Democratic	8,706100.0%	100.0%

Delaware Senate District 15, 1968 to 2022, 2002, every candidate
Candidate	Party	Votes and share	Share
DemocraticNancy CookWon(incumbent)	Democratic	6,862100.0%	100.0%

Votes for listed candidates: 13,009
Election day: November 7, 2000
District map: Older district map (1992 to 2001)

Delaware Senate District 15, 1968 to 2022, 2000, every candidate
Candidate	Party	Votes and share	Share
DemocraticNancy CookWon(incumbent)	Democratic	7,28356.0%	56.0%
RepublicanDavid R. Burris	Republican	5,58843.0%	43.0%
OtherRick L. Schroeter	Other	1381.1%	1.1%

Votes for listed candidates: 10,627
Election day: November 5, 1996
District map: Older district map (1992 to 2001)

Delaware Senate District 15, 1968 to 2022, 1996, every candidate
Candidate	Party	Votes and share	Share
DemocraticNancy CookWon(incumbent)	Democratic	5,96756.1%	56.1%
RepublicanPam Thornburg	Republican	4,66043.9%	43.9%

Votes for listed candidates: 9,891
Election day: November 3, 1992
District map: Older district map (1992 to 2001)

Delaware Senate District 15, 1968 to 2022, 1992, every candidate
Candidate	Party	Votes and share	Share
DemocraticNancy CookWon(incumbent)	Democratic	7,11571.9%	71.9%
RepublicanMarianne Kunzweiler	Republican	2,77628.1%	28.1%

Votes for listed candidates: 5,237
Election day: November 6, 1990
District map: Older district map (1982 to 1991)

Delaware Senate District 15, 1968 to 2022, 1990, every candidate
Candidate	Party	Votes and share	Share
DemocraticNancy CookWon(incumbent)	Democratic	4,63588.5%	88.5%
LibertarianEugene G. Rowley	Libertarian	60211.5%	11.5%

Votes for listed candidates: 5,592
Election day: November 4, 1986
District map: Older district map (1982 to 1991)

Delaware Senate District 15, 1968 to 2022, 1986, every candidate
Candidate	Party	Votes and share	Share
DemocraticNancy CookWon(incumbent)	Democratic	3,85268.9%	68.9%
RepublicanWilliam C. Myers Jr.	Republican	1,74031.1%	31.1%

Votes for listed candidates: 6,000
Election day: November 2, 1982
District map: Older district map (1982 to 1991)

Delaware Senate District 15, 1968 to 2022, 1982, every candidate
Candidate	Party	Votes and share	Share
DemocraticNancy CookWon(incumbent)	Democratic	3,50258.4%	58.4%
RepublicanJefferson A. Adams	Republican	2,46741.1%	41.1%
LibertarianGary L. Hart	Libertarian	310.5%	0.5%

Votes for listed candidates: 12,029
Election day: November 4, 1980
District map: Older district map (1972 to 1981)

Delaware Senate District 15, 1968 to 2022, 1980, every candidate
Candidate	Party	Votes and share	Share
DemocraticJames T. VaughnWon	Democratic	6,17551.3%	51.3%
RepublicanClarke V. Jester	Republican	5,85448.7%	48.7%

Votes for listed candidates: 12,225
Election day: November 2, 1976
District map: Older district map (1972 to 1981)

Delaware Senate District 15, 1968 to 2022, 1976, every candidate
Candidate	Party	Votes and share	Share
RepublicanWinifred SpenceWon	Republican	6,38452.2%	52.2%
DemocraticJ. Donald Isaacs(incumbent)	Democratic	5,84147.8%	47.8%

Votes for listed candidates: 10,872
Election day: November 7, 1972
District map: Older district map (1972 to 1981)

Delaware Senate District 15, 1968 to 2022, 1972, every candidate
Candidate	Party	Votes and share	Share
RepublicanJ. Donald IsaacsWon(incumbent)	Republican	6,35158.4%	58.4%
DemocraticJohn E. Pickett	Democratic	4,52141.6%	41.6%

Votes for listed candidates: 8,472
Election day: November 5, 1968
District map: Older district map (1968 to 1971)

Delaware Senate District 15, 1968 to 2022, 1968, every candidate
Candidate	Party	Votes and share	Share
RepublicanAndrew FoltzWon(incumbent)	Republican	4,78656.5%	56.5%
DemocraticJames D. McGinnis	Democratic	3,68643.5%	43.5%

1968 to 2022: State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse), retrieved Oct 28, 2026. Compiled by Carl Klarner (Harvard Dataverse) from official returns; not an official source

Last contest in this district on file: 2022.

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Election Wrld. (2026). Delaware State Senate District 15, election results 1968 to 2022. https://www.electionwrld.com/de/senate/15. Retrieved October 31, 2026.

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Sources

Sources: Census TIGERweb Legislative MapServer (120th CDs layer 0, 119th CDs layer 4, 2026 SLD upper layer 1 and lower layer 2) (US Census Bureau, public domain), retrieved Oct 28, 2026; Open Civic Data division identifiers (census_autogenerated us_sldl/us_sldu and openstates state files); also (sld-recent.json): Open Civic Data division identifiers (country-us) (CC0 (repository); also (sld-recent.json): CC0 1.0), retrieved Oct 28, 2026; Open States people (current) CSVs (CC0-1.0 (Open States people data)), retrieved Oct 28, 2026, compiled by Open States volunteers and staff (rosters from state legislature sites) from official returns, not an official source; State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse) (CC0 1.0), retrieved Oct 28, 2026, compiled by Carl Klarner (Harvard Dataverse) from official returns, not an official source.

District id: ocd-division/country:us/state:de/sldu:15

DataState data (JSON)Sources: State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse)Data as of Oct 28, 2026