Loretto is a city located in Marion County, in the state of Kentucky (KY), United States. Nestled in the East South Central division of the South region, it covers an area of 3.5 square miles (9.0 km²) and sits at an elevation of 744 ft. With a population of approximately 623 residents, Loretto offers a peaceful, rural atmosphere.
The town's population is composed of about 50.88% males and 49.12% females, and it has a population density of 176.99 people per square mile (68.34/km²). Loretto lies at a latitude of 37.64 and a longitude of -85.39, operating in the UTC-5.
Locals reflect a blend of American ancestry, with roots primarily in United States (42.7%), followed by English (5.8%), German (2.1%), and Scotch-Irish (0%) heritage. The town is identified by the ZIP code 40037.