St. Johns County, Florida
|Saint Johns County, Florida|
Location in the state of Florida
Florida's location in the U.S.
|Founded||July 21, 1821|
|Largest city||Ponte Vedra Beach|
821.43 sq mi (2,127 km²)
609.01 sq mi (1,577 km²)
212.42 sq mi (550 km²), 25.86%
312/sq mi (120.50/km²)
St. Johns County is part of the Greater Jacksonville Metropolitan area. It has experienced explosive growth in the last ten years as a flood of people working in Jacksonville built new homes across the county line.
St. Johns County was created in 1821 when Florida was ceded to the United States. The Onis-Adams Treaty was negotiated with Spain by Secretary of State John Quincy Adams.
According to the 2000 census, the county has a total area of 821.43 square miles (2,127.5 km2), of which 609.01 square miles (1,577.3 km2) (or 74.14%) is land and 212.42 square miles (550.2 km2) (or 25.86%) is water, much of it in the Atlantic Ocean. St. Johns County's main economic base is tourism.
Adjacent counties 
- Duval County, Florida - north
- Flagler County, Florida - south
- Putnam County, Florida - southwest
- Clay County, Florida - west
National protected areas 
- Castillo de San Marcos National Monument
- Fort Matanzas National Monument
- Guana Tolomato Matanzas National Estuarine Research Reserve
The St. Johns County Commission is an elected five-member commission, which appoints a county administrator. The main environmental and agricultural body is the St. Johns County Soil and Water Conservation District, which works closely with other area agencies.
The St. Johns County School District is controlled by the St. Johns County School Board, an elected five-member board. They appoint a superintendent to administer the operation of public schools in the county. With the tremendous population growth, the number of high schools tripled between 2000 and 2008. The district is one of the highest rated in Florida, receiving an "A" grade from the state and a perfect score of "10" from the GreatSchools website.
For the 2008-2009 school year there were:
• 17 elementary schools (grades K-5)
• 1 grammar school (grades K-8)
• 7 middle schools (grades 6-8)
• 7 high schools
St. Johns River State College has one campus in the county.
Flagler College is a private liberal arts college located in downtown St. Augustine.
University of St. Augustine for Health Sciences is a facility for Physical and Occupational Therapy Education.
As of the census of 2000, there were 123,135 people, 49,614 households, and 34,084 families residing in the county. The population density was 202 people per square mile (78/km²). There were 58,008 housing units at an average density of 95 per square mile (37/km²). The racial makeup of the county was 90.92% White, 6.29% African American, 0.26% American Indian, 0.95% Asian, 0.05% Pacific Islander, 0.55% from other races, and 0.97% from two or more races. Hispanic or Latino of any race were 2.63% of the population.
There were 49,614 households out of which 29.20% had children under the age of 18 living with them, 56.80% were married couples living together, 8.90% had a female householder with no husband present, and 31.30% were non-families. 24.30% of all households were made up of individuals and 9.40% had someone living alone who was 65 years of age or older. The average household size was 2.44 and the average family size was 2.90.
The age of the population was spread out with 23.10% under the age of 18, 7.00% from 18 to 24, 27.60% from 25 to 44, 26.40% from 45 to 64, and 15.90% who were 65 years of age or older. The median age was 41 years. For every 100 females there were 94.50 males. For every 100 females age 18 and over, there were 91.50 males.
The median income for a household in the county was $50,099, and the median income for a family was $59,153. Males had a median income of $40,783 versus $27,240 for females. The per capita income for the county was $28,674. About 5.10% of families and 8.00% of the population were below the poverty line, including 9.30% of those under age 18 and 6.20% of those age 65 or over.
Cities and towns 
- Butler Beach
- Crescent Beach
- Flagler Estates
- Fruit Cove
- Julington Creek (Plantation)
- Palm Valley
- Ponte Vedra Beach
- St. Johns
- St. Augustine Shores
- St. Augustine South
- Summer Haven
- Vilano Beach
- Vermont Heights
See also 
- National Register of Historic Places listings in St. Johns County, Florida
- Parks in St. Augustine/St. Johns County, Florida
- "American FactFinder". United States Census Bureau. Retrieved 2011-05-14.
- "Census 2000 U.S. Gazetteer Files: Counties". United States Census. Retrieved 2011-02-13.
- FSDB website
- "University of Virginia Library". Mapserver.lib.virginia.edu. Retrieved 2012-12-18.
- "American FactFinder". United States Census Bureau. Retrieved 2008-01-31.
|Wikimedia Commons has media related to: St. Johns County, Florida|
- St. Johns County Board of County Commissioners official website
- St. Johns County Public Library System
- St. Johns County Supervisor of Elections
- St. Johns County Property Appraiser
- St. Johns County Sheriff's Office
- St. Johns County Tax Collector
- St. Johns County School Board
Special districts 
Judicial branch 
- St. Johns County Clerk of Courts
- Public Defender, 7th Judicial Circuit of Florida serving Flagler, Putnam, St. Johns, and Volusia counties
- Office of the State Attorney, 7th Judicial Circuit of Florida
- Circuit and County Court for the 7th Judicial Circuit of Florida
- St. Johns County Bar Association
- St. Augustine, Ponte Vedra & the Beaches Visitor and Convention Bureau
- St. Johns County Chamber of Commerce
Local news media 
- St. Johns County is served by two daily newspapers, the Florida Times-Union/jacksonville.com and The St. Augustine Record/staugustine.com. The Ponte Vedra Recorder/pontevedrarecorder.com is a twice weekly paper serving northeast St. Johns County.
- Historic City News - Local news for St. Augustine and St. Johns County, FL
|Clay County||Atlantic Ocean|
|Putnam County||Flagler County|