
Jacksonville Beach
- County:
- Duval County
- County Seat:
- No
- Area (mi²):
- 7.318
- State:
- Florida
Jacksonville Beach is a city located in Duval County, Florida. Jacksonville Beach has a 2025 population of 23,203. Jacksonville Beach is currently declining at a rate of -0.52% annually and its population has decreased by -2.56% since the most recent census, which recorded a population of 23,813 in 2020.
The average household income in Jacksonville Beach is $163,128 with a poverty rate of 5.77%. The median age in Jacksonville Beach is 44 years: 42.9 years for males, and 44.9 years for females.