Taylorsville Lake, located primarily within Spencer County, serves as a major economic resource for the area.

Spencer County was formed in January 1824, by the 32nd Kentucky General Assembly.

The county was named for Kentucky's Captain Spier Spencer, who fought and died in the Battle of Tippecanoe.

[4] Later that year, in December 1824, Taylorsville was made the county seat.

[5] During the American Civil War, the courthouse at Taylorsville was burned by Confederate guerrillas in January 1865, but the county's records were saved.

17.10% of all households were made up of individuals, and 6.00% had someone living alone who was 65 years of age or older.