King County is the largest county in Washington State and includes the city of Seattle as well the surrounding area. A list of the cities, towns and unincorporated areas of King County can be .
Total number of surveys collected per year were as follows:
2017: 1,158
2018: 1,056
2019: 1,171
2020: 832
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Health-related reasons for homelessness in King County, Washington 2020
In 2020, surveys conducted among people experiencing homelessness in King County, Washington found that 11 percent were homeless due to their alcohol or drug use. In comparison, in 2017, around 20 percent of respondents said they were homeless due to alcohol and drug use. This statistic shows the percentage of homeless people in King County, Washington who stated they were homeless for select health-related reasons from 2017 to 2020.
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King County Regional Homelessness Authority (All Home/ Seattle/King County Continuum of Care (CoC)). (July 29, 2020). Percentage of homeless people in King County, Washington who stated they were homeless for select health-related reasons from 2017 to 2020 [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved August 02, 2026, from /statistics/1463117/health-related-reasons-for-homelessness-king-county/
King County Regional Homelessness Authority (All Home/ Seattle/King County Continuum of Care (CoC)). "Percentage of homeless people in King County, Washington who stated they were homeless for select health-related reasons from 2017 to 2020." Chart. July 29, 2020. ÌÇÐÄÆƽâ°æ. Accessed August 02, 2026. /statistics/1463117/health-related-reasons-for-homelessness-king-county/
King County Regional Homelessness Authority (All Home/ Seattle/King County Continuum of Care (CoC)). (2020). Percentage of homeless people in King County, Washington who stated they were homeless for select health-related reasons from 2017 to 2020. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: August 02, 2026. /statistics/1463117/health-related-reasons-for-homelessness-king-county/
King County Regional Homelessness Authority (All Home/ Seattle/King County Continuum of Care (CoC)). "Percentage of Homeless People in King County, Washington Who Stated They Were Homeless for Select Health-related Reasons from 2017 to 2020." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 29 Jul 2020, /statistics/1463117/health-related-reasons-for-homelessness-king-county/
King County Regional Homelessness Authority (All Home/ Seattle/King County Continuum of Care (CoC)), Percentage of homeless people in King County, Washington who stated they were homeless for select health-related reasons from 2017 to 2020 ÌÇÐÄÆƽâ°æ, /statistics/1463117/health-related-reasons-for-homelessness-king-county/ (last visited August 02, 2026)
Percentage of homeless people in King County, Washington who stated they were homeless for select health-related reasons from 2017 to 2020 [Graph], King County Regional Homelessness Authority (All Home/ Seattle/King County Continuum of Care (CoC)), July 29, 2020. [Online]. Available: /statistics/1463117/health-related-reasons-for-homelessness-king-county/
