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Sub-County Life Expectancy: A Tool to Improve Community Health and Advance Health Equity


This map shows the pattern of life expectancy at birth by census tract for King County Washington for 5-year aggregated data (2008–2012). The difference between the highest and lowest tracts is 24 years. Lower life expectancy is concentrated along the I-5 corridor and primarily in south Seattle and southern King County; some small areas are located in north Seattle.

Figure 1.
Estimated life expectancy at birth by census tract in King County, Washington, based on 2008–2012 mortality data.

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This map shows the 28 health department jurisdictions that participated in Phase I and Phase II of the SCALE project. Phase I state jurisdictions include Florida, Massachusetts, Maine, New York, Washington, and Wisconsin. Phase I local jurisdictions include Los Angeles County, California, and King County, Washington. Phase II state jurisdictions include Alabama, Minnesota, Montana, New Hampshire, and Virginia; and Phase II local jurisdictions include Alamance County, North Carolina; Alameda County, California; Caswell County, North Carolina; Chatham County, North Carolina; Cleveland, Ohio; Cook County, Illinois; District of Columbia; Durham County, North Carolina; Erie County, Pennsylvania; Houston, Texas; Johnson County, Kansas; Maricopa County, Arizona; Metro Area Planning Council, Massachusetts; Orange County, North Carolina; Salt Lake County, Utah; Shelby County, Tennessee; and Washington County, Minnesota.

Figure 2.
United States map identifying health department jurisdictions of SCALE Phase I and II participants. Abbreviation: SCALE, Sub-County Assessment of Life Expectancy.

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The opinions expressed by authors contributing to this journal do not necessarily reflect the opinions of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors’ affiliated institutions.

Page last reviewed: January 25, 2018