Port Of Seattle’s Equity Index data definitions

The Port of Seattle's Equity Index tracks community well-being across King County using four categories: Economy, Livability, Accessibility, and Environment. It draws on data from sources such as the U.S. Census Bureau's American Community Survey, EPA EJ Screen, and local agencies to measure indicators like poverty rate, housing cost burden, transit access, and diesel emissions. The index is designed to assess equity and quality-of-life conditions for residents and communities in the region.

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This document defines the Port of Seattle’s Equity Index, which covers King County and is organized into four categories: Economy, Livability, Accessibility, and Environment. It provides detailed definitions for each indicator within these categories, including sources such as ACS 5-Year Estimates, EPA EJ Screen, and PSRC data. The index was developed in alignment with the Port’s Century Agenda Goals.

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