Union County Flag

Union County

State:
Florida
County Seat:
Lake Butler

Union County's estimated 2025 population is 15,483 with a growth rate of -1.62% in the past year according to the most recent United States census data. Union County is the 61st largest county in Florida. The 2010 population was 15,551 and has seen a growth of -0.44% since that time.

15,483
Total Population
63
Population Density (mi²)
61
Population Rank (State)
-255 -1.62%
Annual Population Growth

Union County Population

Demographics

Economics and Income Statistics

Sources

  1. City and Town Population Totals: 2020-2024
  2. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  3. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  4. American Community Survey (2009 - 2013)
  5. Census QuickFacts
  6. Historical Populations of States and Counties (1790 - 1990)