According to the United States Census Bureau, the city has a total area of 1.9 square miles (5.0 km2), all land.
The boundaries of St. Augustine Beach are the Atlantic Ocean, the west right-of-way of Florida State Road A1A, the north right-of-way of Pope Road, and Sandpiper Village subdivision to the south.
As of the 2020 United States census, there were 6,803 people, 2,851 households, and 1,762 families residing in the city.[8]
As of the 2010 United States census, there were 6,176 people, 5,494 households, and 2,546 families residing in the city.[9]
2000 census
At the 2000 census[2] there were 4,683 people in 2,213 households, including 1,263 families, in the city. The population density was 2,413.1 inhabitants per square mile (931.7/km2). There were 3,140 housing units at an average density of 1,618.0 per square mile (624.7/km2). The racial makeup of the city is 96.80% White, 0.32% African American, 0.41% Native American, 1.15% Asian, 0.02% Pacific Islander, 0.43% from other races, and 0.88% from two or more races. 2.75% of the population are Hispanic or Latino of any race.
Of the 2,213 households in 2000, 18.8% had children under the age of 18 living with them, 46.6% were married couples living together, 7.8% had a female householder with no husband present, and 42.9% were non-families. 28.8% of households were one person and 10.3% were one person aged 65 or older. The average household size was 2.12 and the average family size was 2.57.
In 2000, the age distribution was 15.4% under the age of 18, 11.0% from 18 to 24, 26.2% from 25 to 44, 27.5% from 45 to 64, and 19.9% 65 or older. The median age was 43 years. For every 100 females, there were 95.0 males. For every 100 females age 18 and over, there were 92.8 males.
In 2000, the median household income was $59,484. Males had a median income of $34,883 versus $26,250 for females. The per capita income for the city was $57,905. About 1.4% of families and 2.7% of the population were below the poverty line, including 2.0% of those under age 18 and 3.3% of those age 65 or over.
Local government
Commission
St. Augustine Beach is organized with a commission-manager form of government; voters elect a City Commission which consists of five members who serve four-year, staggered terms. The five members are elected equally as Commissioners then the Commissioners vote to appoint a member as Mayor and Vice Mayor.
The City Commission meets monthly on the first Monday of the month excluding holidays. The Commission appoints a City Manager, who carries out the will of the Commission and handles day-to-day business.
Bus service is operated by the Sunshine Bus Company. Though based in the city,[11] it also serves neighboring St. Augustine including the historic districts, and the rest of the county. Buses operate mainly between shopping centers across town, but a few go to Hastings and Jacksonville, where one can connect to JTA for additional service across Jacksonville.
The zoned elementary schools include:[13] R. B. Hunt Elementary School, which serves almost all of the city;[14] and W. D. Hartley Elementary School, which serves a small portion.[15]
The zoned middle schools include:[16] Sebastian Middle School, which serves almost all of the city;[17] and Gamble Rogers Middle School, which serves a small portion.[18]
^"Land Use Map"(PDF). St. Augustine Beach. March 2019. Archived(PDF) from the original on December 4, 2021. Retrieved December 3, 2021. - Also see the 2020 Census Map - Compare to the school boundary maps.