Population

Is population growing or shrinking?

Updated annually
It shrank by 159 between 2023 and 2024. Changes in population reflect birth and death rates, immigration patterns, regional shifts, and even the overall health of the economy. Tillamook County, OR’s 0.58% annual decrease was primarily driven by deaths outpacing births.
In the decade between 2014 and 2024, Tillamook County, OR’s population grew by 7.7%.

-159

population change (2023 to 2024)

-0.58%

percent change in population (2023 to 2024)
Since 2000, Tillamook County, OR’s population increased 18 out of 24 years. The largest increase occurred between 2015 and 2016, when Tillamook County, OR gained 562 residents. Its largest decline occurred between 2021 and 2022 when there were 298 fewer residents.

Tillamook County, OR lost 159 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 Tillamook County, OR, with deaths exceeding births by 203.
  • 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, Tillamook County, OR’s population change from immigration was positive with about 16 more people coming from another country directly to Tillamook County, OR than leaving.
  • Domestic migration, moving between counties: Between 2023 to 2024, Tillamook County, OR’s population change from domestic migration was positive with about 29 more people coming from any other county in the US.

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Between 2023 and 2024, natural change was the primary driver of population decline in Tillamook County, OR.

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.