Collier County Flag

Collier County

State:
Florida
County Seat:
Naples

Collier County's 2026 population is estimated at 428,569, reflecting a 1.46% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Collier County is the 19th largest county in Florida. The 2010 population was 322,576 and has grown 32.86% since 2010.

428,569
Total Population
215
Population Density (mi²)
19
Population Rank (State)
6.2K 1.46%
Annual Population Growth

Collier County Population

Demographics

Economics and Income Statistics