Population

Is population growing or shrinking?

Updated annually
It shrank by 155 between 2023 and 2024. Changes in population reflect birth and death rates, immigration patterns, regional shifts, and even the overall health of the economy. Knox County, IN’s 0.43% annual decrease was primarily driven by people moving to other states.
In the decade between 2014 and 2024, Knox County, IN’s population shrank by 5.5%.

-155

population change (2023 to 2024)

-0.43%

percent change in population (2023 to 2024)
Since 2000, Knox County, IN’s population increased 6 out of 24 years. The largest increase occurred between 2009 and 2010, when Knox County, IN gained 445 residents. Its largest decline occurred between 2011 and 2012 when there were 493 fewer residents.

Knox County, IN lost 155 residents between 2023 and 2024.

Annual population change

A county’s population is influenced by three factors:
  • Natural population change: If births outnumber deaths in a given year, natural population growth is positive. If deaths exceed births, it is negative. Between 2023 and 2024 natural population change was negative in Knox County, IN, with deaths exceeding births by 111.
  • Immigration: international migration directly into or out of a county: If more people move in than move out, population change from immigration is positive. If more people move out than move in, it’s negative. Between 2023 to 2024, Knox County, IN’s population change from immigration was positive with about 122 more people coming from another country directly to Knox County, IN than leaving.
  • Domestic migration, moving between counties: Between 2023 to 2024, Knox County, IN’s population change from domestic migration was negative with about 165 more people moving to any other county in the US.

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Between 2023 and 2024, domestic migration was the primary driver of population decline in Knox County, IN.

Components of population change

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Methodology

USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.

The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.

Page sources

USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.