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  1.  
  2. CountryUnited States
    StateFlorida
    FoundedJuly 21, 1821
    Overview

    St. Johns County is a county in the northeastern part of the U.S. state of Florida. As of the 2020 United States census, its population was 273,425. The county seat and most populous incorporated city is St. Augustine, … See more

    History

    St. Johns County's history begins in 1821, when Colonel Robert Butler received Spanish East Florida from Captain-General Colonel José M. Coppinger. Butler represented Major General Andrew Jackson, federal mil… See more

    Coat of arms

    As described in Certification of the Coat of Arms:
    In a field of green an Agnus Dei of silver, suspended on the dexter [*left side of the drawing] side of the Agnus Dei is a silver banner wit… See more

    Geography

    According to the U.S. Census Bureau, the county has an area of 822 square miles (2,130 km ), of which 601 square miles (1,560 km ) is land and 221 square miles (570 km ) (26.9%) is water.
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