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Which counties in Florida are losing population?

4 of the 67 counties in Florida had fewer residents in 2025 than in 2020. Calhoun County lost the largest share, down 3.0% (−414 people). Pinellas County lost the most residents (−11,242).

Of the 4 counties that lost residents between 2020 and 2025, the largest factor was natural change (more deaths than births) in 3 and net domestic migration (more residents moving to other U.S. counties than arriving) in 1 (Census Bureau components of population change).

Data as of 2025 · updated

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All 4 Florida counties that lost residents

Counties losing population in Florida
RankCountyChange 2020–25Residents lost 2020–25Residents 2025Largest factor 2020–25
1Calhoun County−3.0%−41413,289Natural change (−513)
2Monroe County−3.0%−2,44580,406Domestic migration (−6,210)
3Taylor County−2.5%−54621,210Natural change (−603)
4Pinellas County−1.2%−11,242948,563Natural change (−28,921)

How this is ranked

Counties whose Census Bureau resident population estimate for July 1, 2025 is lower than for July 1, 2020, steepest percentage decline first. The largest factor is the most negative of natural change (births minus deaths), net domestic migration and net international migration over the same years (Census Bureau components of population change). Counties with fewer than 1,000 residents, or without a figure for the same period as the others, are left out, as on every ranking.

Source: U.S. Census Bureau, Population Estimates Program (Vintage 2025). Figures come from public federal statistics and are informational only, not investment advice. Check the source before relying on a number. Methodology: how ranks and figures are built. More on every layer: data sources and licences.

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Questions

Which county in Florida is losing population fastest?

Calhoun County: down 3.0% between 2020 and 2025, to 13,289 residents (−414 people; Census Bureau population estimates). Next: Monroe County (−3.0%) and Taylor County (−2.5%).

How many counties in Florida are losing population?

4 of the 67 counties in Florida had fewer residents in 2025 than in 2020; the other 63 grew or held steady.

Why are counties in Florida losing population?

Of the 4 counties that lost residents between 2020 and 2025, the largest factor was natural change (more deaths than births) in 3 and net domestic migration (more residents moving to other U.S. counties than arriving) in 1 (Census Bureau components of population change).

More county rankings for Florida

Counties losing population in other states

Across the U.S.