Is Kitsap County, WA's population growing or shrinking?
Updated annually
It grew by 3,800 between 2023 and 2024. Changes in population can reflect birth and death rates, immigration patterns, regional shifts, and even the overall health of the economy. The 1.4% annual increase was primarily driven by people moving from other states.
In the decade between 2014 and 2024, Kitsap County, WA’s population grew by 11%.
+3.77K
population change (2023 to 2024)
+1.4%
percent change in population (2023 to 2024)
Since 2000, Kitsap County, WA’s population increased 20 out of 24 years. The largest increase occurred between 2009 and 2010, when Kitsap County, WA gained 12,100 residents. Its largest decline occurred between 2004 and 2005 when there were 3,200 fewer residents.
Kitsap County, WA gained 3,800 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 positive in Kitsap County, WA, with births exceeding deaths by 570.
- 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, Kitsap County, WA’s population change from immigration was positive with about 1,000 more people coming from another country directly to Kitsap County, WA than leaving.
- Domestic migration, moving between counties: Between 2023 to 2024, Kitsap County, WA’s population change from domestic migration was positive with about 2,200 more people coming from any other county in the US.
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Between 2023 and 2024, domestic migration was the primary driver of population growth in Kitsap County, WA.
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.