Saint Johns, Florida

St. Johns is an unincorporated community in northwest St. Johns County, Florida, United States and a suburb of Jacksonville. The population as of the 2000 census was 18,063, though considerable growth has taken place in the past ten years. As of 2016, the population is estimated to be approximately 86,400 people. It is located in the Jacksonville metropolitan area, and lies approximately halfway between downtown Jacksonville and downtown St. Augustine.

St. Johns is made up of the entire 32259 ZIP code, including the communities of Fruit Cove, Switzerland and Julington Creek. This ZIP code claimed a population of 36,917 at the 2010 census, for a land area of 57.66 square miles.

Based on the 2013 TIGER/Line Shapefiles from the U.S. Census Bureau, which approximates ZIP codes with ZIP Code Tabulation Areas, the Saint Johns mailing address applies to the area of St. Johns County north of County Road 210 and west of U.S. Route 1. The north boundary of the community and county is mostly Julington Creek and Durbin Creek, which also form the south edge of Jacksonville, while the west boundary lies along the St. Johns River, across from Fleming Island and Green Cove Springs. Nocatee is across US 1 to the east, and SilverLeaf Plantation and World Golf Village (St. Augustine mailing address) are to the south. The Atlantic Ocean lies approximately 10 miles (16 km) to the east of St. Johns. Saint Johns has a very low elevation, with the highest point being only 10 to 30 feet above sea level.

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