Section 13: Socio-Economics — Study of the Current and Ongoing Effects of the Operation of the Seattle-Tacoma International Airport

This 2020 report examines the socio-economic conditions in six south King County cities near Seattle-Tacoma International Airport, including Burien, Des Moines, Federal Way, Normandy Park, SeaTac, and Tukwila. It analyzes demographic trends such as population growth, age distribution, and ethnic profiles from 1997 to 2018, finding that most study area cities grew more slowly than King County overall, with Burien being a notable exception largely due to a 2010 annexation. The report is part of a broader study assessing how airport operations affect surrounding communities across indicators including income, housing, education, employment, and municipal tax revenues.

Notes

Stantec-authored Section 13 (Socio-Economics) of the 2020 Study of the Current and Ongoing Effects of the Operation of the Seattle-Tacoma International Airport (Sea-Tac Airport), pages A-308 through A-353. Covers demographic profile, income and poverty status, housing profile, education, economic and land use development, employment, and municipal tax revenues for six south King County study area cities: Burien, Des Moines, Federal Way, Normandy Park, SeaTac, and Tukwila. Includes population growth data 1997–2018, median age, age cohort distribution (under 18, 65+), and ethnic profile compared to King County and Washington State. Data sourced from U.S. Census Bureau American Community Survey and ESRI.

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