St. Lucie County, Florida |Saint Lucie County, Florida| Location
in the state of Florida Florida's location in the U.S.
|Founded||March 14, 1844| 688.08 sq mi (1,782 km²) 572.45 sq mi
(1,483 km²) 115.63 sq mi (299 km²), 16.80% 485/sq mi
(187.31/km²) |Named for: Saint Lucie of Syracuse| The current
St. Lucie County was created in 1905 from the southern part of
Brevard County. Brevard County had been named St. Lucie County
from 1844 until 1855 when it was renamed Brevard County. In
1925, Indian River County was created out of the northern part
of St Lucie County, while northern Martin County was created
from a small part of southeastern St. Lucie County and the
northern part of Palm Beach County. Much of western St Lucie
County had gone in 1917 to form Okeechobee County. According to
the 2000 census, the county has a total area of 688.08 square
miles (1,782.1 km2), of which 572.45 square miles (1,482.6 km2)
(or 83.20%) is land and 115.63 square miles (299.5 km2) (or
16.80%) is water, much of it in the Atlantic