Original: According to the 2000 U.S. Census , the population was 117,743 , while a July 1 , 2005 , estimate placed the population at 143,105 , an 18 % increase making it the 84th fastest growing county in the United States between 2000 and 2005 .
Simplified: Santa Rosa County is a county located in the U.S. state of Florida , and was formed on February 18 , 1842 .