Is population growing or shrinking?

Refreshed annually
It grew by 673 between 2024 and 2025. Changes in population can reflect birth and death rates, immigration patterns, regional shifts, and even the overall health of the economy. The 0.26% annual increase was primarily driven by immigration to the state.
In the decade between 2015 and 2025, Kalamazoo County, MI’s population grew by 1.5%.

+673

population change (2024 to 2025)

+0.26%

percent change in population (2024 to 2025)
Since 2000, Kalamazoo County, MI’s population increased 22 out of 25 years. The largest increase occurred between 2009 and 2010, when Kalamazoo County, MI gained 2,900 residents. Its largest decline occurred between 2019 and 2020 when there were 3,800 fewer residents.

Kalamazoo County, MI gained 673 residents between 2024 and 2025.

Annual population change, 2001–2025

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What contributes to population change in Kalamazoo County, MI?

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 2024 and 2025 natural population change was positive in Kalamazoo County, MI, with births exceeding deaths by 108.
  • 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 2024 to 2025, Kalamazoo County, MI’s population change from immigration was positive with about 910 more people coming from another country directly to Kalamazoo County, MI than leaving.
  • Domestic migration, moving between counties: Between 2024 to 2025, Kalamazoo County, MI’s population change from domestic migration was negative with about 356 more people moving to any other county in the US.

Between 2024 and 2025, immigration was the primary driver of population growth in Kalamazoo County, MI.

Components of population change from previous year, 2011–2025

How is the US population changing?

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Methodology

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

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.