Kentucky's 8th State Senate district
Senator	Gary Boswell R–Owensboro since January 1, 2023
Registration	46.5% Republican 43.8% Democratic 9.0% No party preference
Demographics	86.8% White 3.8% Black 3.7% Hispanic 1.9% Asian 0.2% Native American 0.6% Other 3.1% Multiracial
Population (2023)	121,354
Registered voters (2025)	93,005

Kentucky's 8th Senatorial district is one of 38 districts in the Kentucky Senate. Located in the western part of the state, it comprises the counties of Daviess, Hancock, and McLean. Within the district is the economic leading city of Owensboro. It has been represented by Gary Boswell (R–Owensboro) since 2023.^[1] As of 2023, the district had a population of 121,354.^[2]

From 1966 to 1967, the district was represented by Wendell Ford, who would later be elected governor and U.S. senator from Kentucky.

On January 1, 2025, the district had 93,005 registered voters, who were registered with the following parties.

Year	Office	Results[a]
2014	Senator	McConnell 55.5 - 41.3%
2015	Governor	Bevin 54.8 - 42.7%
	Secretary of State	Grimes 51.8 - 48.2%
	Attorney General	Beshear 53.0 - 47.0%
	Auditor of Public Accounts	Harmon 53.9 - 46.1%
	State Treasurer	Ball 57.9 - 42.1%
	Commissioner of Agriculture	Quarles 58.7 - 41.3%
2016	President	Trump 64.2 - 30.0%
	Senator	Paul 58.8 - 41.2%
2019	Governor	Bevin 50.9 - 46.7%
	Secretary of State	Adams 53.7 - 46.3%
	Attorney General	Cameron 59.7 - 40.3%
	Auditor of Public Accounts	Harmon 56.4 - 40.0%
	State Treasurer	Ball 59.8 - 40.2%
	Commissioner of Agriculture	Quarles 58.6 - 38.2%
2020	President	Trump 64.4 - 33.6%
	Senator	McConnell 58.0 - 36.2%
	Amendment 1	64.8 - 35.2%
	Amendment 2	66.6 - 33.4%

Year	Office	Results[a]
2022	Senator	Paul 65.3 - 34.7%
	Amendment 1	51.4 - 48.6%
	Amendment 2	55.5 - 44.5%
2023	Governor	Beshear 50.2 - 49.8%
	Secretary of State	Adams 61.0 - 39.0%
	Attorney General	Coleman 60.4 - 39.6%
	Auditor of Public Accounts	Ball 60.8 - 39.2%
	State Treasurer	Metcalf 58.5 - 41.5%
	Commissioner of Agriculture	Shell 62.0 - 38.0%
2024	President	Trump 66.8 - 31.6%
	Amendment 1	63.4 - 36.6%
	Amendment 2	62.7 - 37.3%

Member	Party	Years	Electoral history	District location
Wendell Ford (Owensboro)	Democratic	January 1, 1966 – December 12, 1967	Elected in 1965. Resigned after being elected Lieutenant Governor of Kentucky.	1964–1972
Delbert Murphy (Owensboro)	Democratic	December 1967 – January 1, 1991	Elected to finish Ford's term. Reelected in 1969. Reelected in 1973. Reelected in 1977. Reelected in 1981. Reelected in 1986. Retired.
				1972–1974
				1974–1984
				1984–1993 Daviess, Hancock, and Ohio (part) Counties.
David Boswell (Owensboro)	Democratic	January 1, 1991 – January 1, 2011	Elected in 1990. Reelected in 1994. Reelected in 1998. Reelected in 2002. Reelected in 2006. Lost reelection.
				1993–1997
				1997–2003
				2003–2015
Joseph R. Bowen (Owensboro)	Republican	January 1, 2011 – January 1, 2019	Elected in 2010. Reelected in 2014. Retired.
				2015–2023
Matt Castlen (Owensboro)	Republican	January 1, 2019 – January 1, 2023	Elected in 2018. Retired.
Gary Boswell (Owensboro)	Republican	January 1, 2023 – present	Elected in 2022.	2023–present