| Statistic | St. Augustine Beach | Florida | National |
| Population | 7,271 | 21,997,150 | 336,919,644 |
| Population density (sq mi) | 3,433 | 410 | 91 |
| Median age | 49.2 | 41.6 | 37.7 |
| Male/Female ratio | 1.1:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 58% | 54% | 55% |
| Families w/ Kids under 18 | 34% | 38% | 43% |
| Speak English | 92% | 72% | 79% |
| Speak Spanish | 4% | 21% | 13% |

St. Augustine Beach demographics provide invaluable insights into the composition, dynamics and needs of urban and rural areas, enabling them to plan, develop, and govern in ways that promote prosperity, equity and well-being for all residents. The St. Augustine Beach population is 7,271 and has a population density of 3,433 people per square mile, compared to the national average of 91. The median age of all residents is 49.2, 58% of people 15 years of age or older are married and 34% have kids under the age of 18. In St. Augustine Beach, 9% of households have a median income that is below $25,000 and 34% of households report a median income above $150,000.
The St. Augustine Beach racial demographics and ethnicity breakdown serves as a critical tool for understanding and addressing systemic inequities, promoting social justice and inclusion and building stronger, more resilient communities. The racial breakdown in St. Augustine Beach is 98% White, 0.1% Black or African American, 0.6% Asian, 0% American Indian and 0% Native Hawaiian - 5.4% of the population identify as Hispanic or Latino. Of all households, 92.2% reported speaking English only, while 3.7% reported speaking Spanish only. A total of 8.7% of residents were considered foreign born.
Areas with a high population density tend to support a wide range of amenities and services within walking distance or a short commute. Residents tend to have convenient access to healthcare facilities, educational institutions, cultural venues, restaurants, shops and public transportation options, enhancing their quality of life and overall well-being. The St. Augustine Beach population density is 3,433 people per square mile, which is well-above the national average of 91 and is considered one of the most densely populated cities in the country.
Understanding Populations: By delving into and analyzing the St. Augustine Beach demographic stats, we can uncover insightful details regarding the composition and attributes of populations, spanning age, gender, race, ethnicity, income, education and other socio-economic indicators. This comprehension is vital for addressing the diverse needs, preferences and hurdles faced by various demographic groups within communities. Demographics wield significant influence in understanding populations, shaping decision-making processes and championing equity, inclusion, and the overall welfare of all individuals and communities. The St. Augustine Beach population and demographic data serves as a cornerstone for tackling social, economic and environmental challenges, while simultaneously nurturing the well-being and resilience of societies.
Policy Planning: Demographic data and statistics serve as valuable tools for guiding policy and decision-making processes across government entities, organizations, and businesses. Through the analysis and interpretation of St. Augustine Beach demographics, policymakers, government officials and organizational leaders can identify areas requiring attention, allocate resources strategically and develop policies and initiatives that cater to the unique needs and preferences of various demographic groups. St. Augustine Beach demographic statistics can play a critical role in policy planning by informing resource allocation, enabling evidence-based decision-making, identifying priority areas, forecasting future trends, monitoring policy outcomes and fostering equity and inclusivity. By harnessing this data effectively, policymakers can craft policies that are targeted, efficient and equitable, thereby addressing the diverse needs of communities.
Social Cohesion: The examination and interpretation of demographics are pivotal for nurturing social cohesion and promoting understanding among diverse communities. By acknowledging and honoring differences in St. Augustine Beach demographics, societies can champion inclusivity, diversity and social cohesion while addressing social disparities and advocating for equitable opportunities. Racial demographics can potentially showcase the diversity of a population and are crucial for fostering inclusive and embracing communities. Embracing diversity fortifies social bonds, fosters cultural appreciation and enriches society by celebrating the contributions of individuals from diverse racial and ethnic backgrounds.

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| Race | St. Augustine Beach | Florida | National |
| White | 98.02% | 75.90% | 73.35% |
| Black | 0.06% | 16.14% | 12.63% |
| Asian | 0.57% | 2.61% | 5.22% |
| American Indian | 0.00% | 0.27% | 0.82% |
| Native Hawaiian | 0.00% | 0.06% | 0.18% |
| Mixed race | 1.36% | 2.48% | 3.06% |
| Other race | 0.00% | 2.54% | 4.75% |