Jacksonville Beach, Florida's estimated population is 23,669 according to the most recent United States census estimates. Jacksonville Beach, Florida is the 103rd largest city in Florida based on official 2017 estimates from the US Census Bureau.
The population density is 3227.51 people/mi² (1246.14 people/km²).
The overall median age is 42.5 years, 38 years for males, and 46.4 years for females. For every 100 females there are 106.5 males.
Based on data from the American Community Survey, in 2017 there were households in the city, with an average size of 2.08 people per household. The homeowner vacancy rate was %, with a median rent of $/month. The median house has rooms, and has a value of $.
The median income for households in Jacksonville Beach, Florida is $70,500, while the mean household income is $104,484.
According to the most recent ACS, the racial composition of Jacksonville Beach Fl was:
| Year | Population | Growth | Annual Growth Rate |
| 2018 | 23,669 | 149 | 0.63% |
| 2017 | 23,520 | 211 | 0.91% |
| 2016 | 23,309 | 373 | 1.63% |
| 2015 | 22,936 | 351 | 1.55% |
| 2014 | 22,585 | 807 | 3.71% |
| 2013 | 21,778 | 106 | 0.49% |
| 2012 | 21,672 | 177 | 0.82% |
| 2011 | 21,495 | 119 | 0.56% |
| 2010 | 21,376 | 386 | 0.18% |
| 2000 | 20,990 | 3,151 | 1.64% |
| 1990 | 17,839 | 2,377 | 1.44% |
| 1980 | 15,462 | 2,683 | 1.92% |
| 1970 | 12,779 | 730 | 0.59% |
| 1960 | 12,049 | 5,619 | 6.48% |
| 1950 | 6,430 | 0.00% |
| Race | Population |
| White | 20,892 |
| Two or More Races | 637 |
| Asian | 523 |
| Black or African American | 509 |
| Some Other Race | 244 |
| American Indian and Alaska Native | 28 |
42.5
38
46.4
There are 19,216 adults, (3,989 of whom are seniors) in Jacksonville Beach Fl.
Female
11,055
48.42%
Male
11,778
51.58%
| Type | Count | Average Size | Owned |
| All | 10,892 | 2.08 | 66.2 |
| Non Family | 5,275 | 1.29 | 53.1 |
| Married | 4,493 | 2.78 | 83 |
| Female | 848 | 2.9 | 60.8 |
| Male | 276 | 3.45 | 61.6 |
| Education Attained | Count | Percentage |
| Less Than 9th Grade | 156 | 0.87% |
| 9th to 12th Grade | 367 | 2.04% |
| High School Graduate | 2,931 | 16.32% |
| Some College | 3,680 | 20.49% |
| Associates Degree | 1,867 | 10.39% |
| Bachelors Degree | 5,537 | 30.82% |
| Graduate Degree | 3,426 | 19.07% |
| Name | Total | High School | Bachelors |
| White | 15,838 | 15,370 | 7,971 |
| Hispanic | 943 | 901 | 446 |
| Asian | 481 | 481 | 250 |
| Black | 360 | 347 | 113 |
| Multiple Races | 226 | 226 | 95 |
| Other Race | 178 | 178 | 162 |
| Native American | 28 | 28 |
The highest rate of high school graduation is among native american people with a rate of 100.00%.
The highest rate of bachelors degrees is among other race people with a rate of 91.01%.
92.40% of Jacksonville Beach Fl residents speak only English, while 7.60% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 4.03% of the population.
| Name | Total | In Poverty | Poverty Rate |
| White | 19,603 | 1,446 | 7.38% |
| Hispanic | 1,335 | 137 | 10.26% |
| Black | 499 | 92 | 18.44% |
| Asian | 523 | 16 | 3.06% |
| Multiple | 637 | 13 | 2.04% |
7.52%
Overall Poverty Rate
7.15%
Male Poverty Rate
7.91%
Female Poverty Rate
The race most likely to be in poverty in Jacksonville Beach Fl is Black, with 18.44% below the poverty level.
The race least likely to be in poverty in Jacksonville Beach Fl is Multiple, with 2.04% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 1.11%. Among those working part-time, it was 11.82%, and for those that did not work, the poverty rate was 15.84%.
46.4%
Overall Marriage Rate
45.3%
Male Marriage Rate
47.5%
Female Marriage Rate
The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 35-44.
| Name | Veterans | % of Total |
| White | 1,696 | 9.63% |
| Asian | 44 | 8.80% |
| Hispanic | 28 | 2.71% |
| Indian | 28 | 100.00% |
| 2 or More | 11 | 3.21% |
| Black | 6 | 1.51% |
2.55%
Veteran Poverty Rate
32.97%
Veteran Disability Rate
68.9%
Labor Force Participation
66%
Employment Rate
3.1%
Unemployment Rate
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
93.05%
Native Born
6.95%
Foreign Born
3.01%
Non Citizen
93.05% of Jacksonville Beach Fl residents were born in the United States, with 39.45% having been born in Florida. 3.01% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.