Taylorsville is a city in Salt Lake County, Utah, United States. It is part of the Salt Lake City, Utah Metropolitan Statistical Area. The population was 58,657 at the 2010 census. Taylorsville was incorporated from the Taylorsville-Bennion CDP and portions of the Kearns CDP on July 1, 1996. The city is located adjacent to interstate 215 and Bangerter Highway. It is centrally located in the middle of the Salt Lake Valley.

In World War II, 75 men from Taylorsville served and two lost their lives overseas. After the attack on Pearl Harbor in December 1941, the US Army Air Corps wanted an isolated place to build a training base safe from any attacks by the Japanese and on the main rail routes to the Pacific Coast. The War Department bought 5,000 acres (20 km2) of dry farmland in the western part of Salt Lake Valley.

According to estimates from the U.S. Census Bureau, as of 2017, there were 59,992 people in Taylorsville. The racial makeup of the county was 67.3% non-Hispanic White, 2.2% Black, 0.7% Native American, 4.9% Asian, 1.4% Pacific Islander, and 4.1% from two or more races. 20.8% of the population were Hispanic or Latino of any race.