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Consolidated Demographics Index for King County Census Tracts / demographic index area [Washington (State)--King County]

King County GIS Center · 2022 Full Details

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Full Details

Title
Consolidated Demographics Index for King County Census Tracts / demographic index area [Washington (State)--King County]
Description
This layer was originally created to support the STAR Rating System objective EE-4: Equitable Services & Access Community Level Outcomes for King County. Three demographics are combined into one attribute to determine King County services access analysis by census tract. Each demographic: English proficiency, people of color, and household income, was applied to census tracts separately. This demographic information is based on the2014-2018 American Community Survey from the Census Bureau. The demographic was sorted into five classes using the Natural Breaks classification. Then each class was given a score: 1 for the first class, 2 for the second class, 3 for the third class, etc. Next, each census tract received a score based on the class it was in: 1 if it was in the first class, 2 if it was in the second class, 3 if it was in the third class, etc. So each census tract will have a score for English proficiency (ESL_Score), a score for people of color (RE_Score), and a score for household income (Income_Score). These scores were added up (TotalScore) and an evenly weight average was determined (WeightedTotal333333). Thus each score for the census tracts represents a combination of demographics where lower scores mean a wealthier, less diverse community and higher scores mean more diverse, less wealthy community.
Creator
King County GIS Center
Temporal Coverage
Last Modified: 2022-03-08
Date Issued
2018-10-17
Rights
King County data are made available with the understanding that they shall be used exclusively by the obtainer or his/her authorized agents. Digital products may not be reproduced or redistributed in any form or by any means without the express written authorization of King County.
Access Rights
Public
Format
ArcGIS DynamicMapLayer
Language
English
Date Added
August 10, 2025
Provenance Statement
The metadata for this resource was last retrieved from King County GIS Open Data on 2025-08-24.

Links

Cite and Reference

  • Citation
    King County GIS Center (2018). Consolidated Demographics Index for King County Census Tracts / demographic index area [Washington (State)--King County]. . https://gis-kingcounty.opendata.arcgis.com/datasets/kingcounty::consolidated-demographics-index-for-king-county-census-tracts-demographic-index-area (web service)
  • BTAA Geoportal Link

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