Collier County, Florida

Collier County is a county in Florida with an estimated population of 404,310 in 2023. 3 cities, towns and Census places in it are indexed here.

Largest places in Collier County

About Collier County

Collier County is one of the counties of Florida. County governments in Florida handle local services such as courts, property records and elections; cities and towns inside the county run their own municipal services. Population figures come from the Census Bureau's Vintage 2023 estimates, which are updated annually.