Litchfield Beach, also known simply as Litchfield, is an unincorporated community and census-designated place in South Carolina, United States. It was first listed as a CDP in the 2020 census with a population of 8,370.It lies three miles north of Pawleys Island, on the South Carolina Grand Strand. The communities Litchfield-By-The-Sea and North Litchfield are within Litchfield Beach. The community takes its name from Litchfield Plantation, a rice plantation founded early in the 18th century.