Is Washington County, PA's population growing or shrinking?
Updated annually
It grew by 90 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 0.04% annual increase was primarily driven by people moving from other states.
In the decade between 2014 and 2024, Washington County, PA’s population grew by 1.1%.
+90
population change (2023 to 2024)
+0.04%
percent change in population (2023 to 2024)
Since 2000, Washington County, PA’s population increased 15 out of 24 years. The largest increase occurred between 2019 and 2020, when Washington County, PA gained 2,500 residents. Its largest decline occurred between 2015 and 2016 when there were 355 fewer residents.
Washington County, PA gained 90 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 Washington County, PA, with deaths exceeding births by 864.
- 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, Washington County, PA’s population change from immigration was positive with about 347 more people coming from another country directly to Washington County, PA than leaving.
- Domestic migration, moving between counties: Between 2023 to 2024, Washington County, PA’s population change from domestic migration was positive with about 607 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 Washington County, PA.
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.
