Union County Flag

Union County

State:
Florida
County Seat:
Lake Butler

Union County's estimated 2026 population is 16,735 with a growth rate of 2.98% in the past year according to the most recent United States census data. Union County is the 59th largest county in Florida. The 2010 population was 15,551 and has seen a growth of 7.61% since that time.

16,735
Total Population
69
Population Density (mi²)
59
Population Rank (State)
485 2.98%
Annual Population Growth

Union County Population

Demographics

Economics and Income Statistics