Pierce County, WA gained 6,500 residents between 2024 and 2025. Annual population change, 2001–2025 Get weekly insights Subscribe for data-driven insights. No spin, just the facts. What contributes to population change in Pierce County, WA? 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 Pierce County, WA, with births exceeding deaths by 2,600. 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, Pierce County, WA’s population change from immigration was positive with about 2,600 more people coming from another country directly to Pierce County, WA than leaving. Domestic migration, moving between counties: Between 2024 to 2025, Pierce County, WA’s population change from domestic migration was positive with about 1,200 more people coming from any other county in the US.

Between 2024 and 2025, natural change was the primary driver of population growth in Pierce County, WA. Components of population change from previous year, 2011–2025 How is the US population changing? USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare. 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. US Census Bureau Population Estimates Program US Census Bureau Population Estimates Program