Diamondhead is a cdp located in Hancock County, in the state of Mississippi (MS), United States. Nestled in the East South Central division of the South region, it covers an area of 11.3 square miles (29.0 km²) and sits at an elevation of 50 ft. With a population of approximately 5,912 residents, Diamondhead offers a peaceful, rural atmosphere.
The town's population is composed of about 48.43% males and 51.57% females, and it has a population density of 523.19 people per square mile (202.00/km²). Diamondhead lies at a latitude of 30.38 and a longitude of -89.37, operating in the UTC-6.
Locals reflect a blend of American ancestry, with roots primarily in United States (9.6%), followed by English (16%), German (21.7%), and Scotch-Irish (0%) heritage. The town is identified by the ZIP code 39525.