Plum Springs is a home rule-class city in Warren County, Kentucky, in the United States. The population was 453 at the time of the year 2010 U.S. Census. It is included in the Bowling Green metropolitan area. It is named for its location on Plum Springs Road (Ky. 957).
Plum Springs is located at 37°1′17″N 86°22′58″W (37.021420, -86.382746). According to the United States Census Bureau, the city has a total area of 0.3 square miles (0.78 km2), all land.
As of the census of 2000, there were 447 people, 177 households, and 138 families residing in the city. The population density was 1,535.0 people per square mile (595.1/km2). There were 182 housing units at an average density of 625.0 per square mile (242.3/km2). The racial makeup of the city was 85.01% White, 12.75% African American, 0.89% Asian, and 1.34% from two or more races.