 collier county is a county located in the u.s. state of florida. as of the 2010 census, the population was 321,520. its county seat is east naples, where the county offices were moved from everglades in 1962. collier county comprises the naples-immokalee-marco island, fl metropolitan statistical area, which is included in the cape coral-fort myers-naples, fl combined statistical area. ==history== collier county was created in 1923 from lee county. it was named for barron collier, a new york city advertising mogul and real estate developer who had moved into southwest florida and established himself as a prominent land owner. he agreed to build the tamiami trail for what was then lee county (lee, collier, hendry, glades & charlotte counties) in exchange for favorable consideration with the state legislature to have a county named for him. after the county was named, collier was quoted as saying "when i first came here on holiday with juliet, i never expected that i would buy a whole region of it, nor did i expect to pay for the new tamiami trail, or half the things i've done. but i really didn't expect to have a whole county named after me." ==geography== according to the u.s. census bureau, the county has a total area of , of which  is land and  (13.3%) is water. it is the largest county in florida by land area and fourth-largest by total area. virtually the entire southeastern 
Collier_County,_Florida Florida_counties Populated_places_established_in_1923