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Which counties in Indiana are losing population?

16 of the 92 counties in Indiana had fewer residents in 2025 than in 2020. Miami County lost the largest share, down 4.0% (−1,420 people).

Of the 16 counties that lost residents between 2020 and 2025, the largest factor was natural change (more deaths than births) in 14 and net domestic migration (more residents moving to other U.S. counties than arriving) in 2 (Census Bureau components of population change).

Data as of 2025 · updated

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All 16 Indiana counties that lost residents

Counties losing population in Indiana
RankCountyChange 2020–25Residents lost 2020–25Residents 2025Largest factor 2020–25
1Miami County−4.0%−1,42034,487Domestic migration (−1,117)
2Union County−3.1%−2226,863Natural change (−134)
3Blackford County−3.1%−37811,730Natural change (−371)
4Pike County−2.0%−24312,003Natural change (−391)
5Fulton County−1.9%−38520,091Natural change (−316)
6Jay County−1.8%−36220,118Domestic migration (−524)
7Knox County−1.7%−60135,652Natural change (−645)
8LaPorte County−0.9%−985111,294Natural change (−1,498)
9Posey County−0.8%−20224,988Natural change (−224)
10Wabash County−0.7%−21930,713Natural change (−748)
11Wayne County−0.5%−34866,169Natural change (−1,213)
12Tipton County−0.5%−7015,319Natural change (−173)
13Pulaski County−0.4%−5612,463Natural change (−282)
14Crawford County−0.2%−1810,509Natural change (−254)
15Clay County−0.1%−1626,410Natural change (−364)
16Orange County−0.1%−1119,834Natural change (−332)

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 Indiana is losing population fastest?

Miami County: down 4.0% between 2020 and 2025, to 34,487 residents (−1,420 people; Census Bureau population estimates). Next: Union County (−3.1%) and Blackford County (−3.1%).

How many counties in Indiana are losing population?

16 of the 92 counties in Indiana had fewer residents in 2025 than in 2020; the other 76 grew or held steady.

Why are counties in Indiana losing population?

Of the 16 counties that lost residents between 2020 and 2025, the largest factor was natural change (more deaths than births) in 14 and net domestic migration (more residents moving to other U.S. counties than arriving) in 2 (Census Bureau components of population change).

More county rankings for Indiana

Counties losing population in other states

Across the U.S.