Collier County is a county located in the U.S. state of Florida. As of the most recent data available, the county has a population of approximately 251,377 people, with a population density of about 124.08 persons per square mile.
The county spans a total land area of 2,026.00 square miles (5,247.00 square kilometers). The administrative center and county seat is , which often serves as a hub for local governance and services. The largest city within the county by population is Naples.
Geographically, Collier County experiences varied elevations, with its highest point at Immokalee 35 ft and its lowest point at Plantation Island 0 ft. The region operates in the UTC-5.