Diamondhead is a city located in Hancock County Mississippi. With a 2020 population of 8,024, it is the 47th largest city in Mississippi and the 3622nd largest city in the United States . Diamondhead is currently declining at a rate of -0.15% annually but its population has increased by since the most recent census, which recorded a population of in 2010. Diamondhead reached it's highest population of 8,419 in 2012. Spanning over 13 miles, Diamondhead has a population density of 794 people per square mile.
The average household income in Diamondhead is $81,941 with a poverty rate of 6.78%. The median rental costs in recent years comes to $1,039 per month, and the median house value is $173,200. The median age in Diamondhead is 52.7 years, 50 years for males, and 53.6 years for females.