Williamstown is a city located in Grant 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 16.0 square miles (41.0 km²) and sits at an elevation of 974 ft. With a population of approximately 3,227 residents, Williamstown offers a peaceful, rural atmosphere.
The town's population is composed of about 46.08% males and 53.92% females, and it has a population density of 201.69 people per square mile (77.87/km²). Williamstown lies at a latitude of 38.64 and a longitude of -84.56, operating in the UTC-5.
Locals reflect a blend of American ancestry, with roots primarily in United States (23.2%), followed by English (8.1%), German (17.6%), and Scotch-Irish (0%) heritage. The town is identified by the ZIP code 41097.