Publications, tools, and data that describe the insurance status of Washingtonians, primary sources of insurance, the affordability of health insurance, and common options being considered locally and nationally for increasing access to insurance by individuals and their families.

American community survey estimates of coverage in 2023

• COVID era's historically low rate of uninsured continued through 2023 - even after public health emergency declared over - Research Brief 118, Jan. 2025

American community survey estimates of coverage in 2022

• 2012-19 and 2021-22 County Uninsured Rates Chart Book: Washington - Mar. 2024
• 2012-19 and 2021-22 Uninsured Rates Chart Book for Accountable Communities of Health in Washington - Mar. 2024
• Medicaid increase created all-time low for Washington's uninsured rate, but a reversal is emerging - Research Brief 114, Feb. 2024

American community survey estimates of coverage in 2021

• Washington's non-citizen immigrant population continued to experience disparities in health coverage - Research Brief 112, Aug. 2023
• DACA-eligible immigrants and characteristics: 2021, Washington - June 2023
• Washington state's immigrant population: 2010-21 - Research Brief 110, May 2023
• 2012-19 and 2021 County Uninsured Rates Chart Book: Washington - Feb. 2023
• 2012-19 and 2021 Uninsured Rates Chart Book for Accountable Communities of Health in Washington - Feb. 2023
• Record low uninsured rate in 2021 amid COVID-19 pandemic - Research Brief 108, Dec. 2022

American community survey estimates of coverage in 2020

• Evaluation of Using the 2020 ACS Experimental Weights for Washington State Health Coverage Estimates - Research Brief 106, Mar. 2022

American community survey estimates of coverage in 2019

• 2012-19 County Uninsured Rates Chart Book: Washington State - Feb. 2021
• 2015-19 Uninsured Rates Chart Book for Accountable Communities of Health: Washington State - Feb. 2021
• Statewide Uninsured Rate Remained Unchanged from 2018 to 2019 - Dec. 2020

American community survey estimates of coverage in 2018

• 2012-19 Legislative District Uninsured Rates Chart Book: Washington State - Mar. 2021
• 2012-19 Congressional District Uninsured Rates Chart Book: Washington State - Mar. 2021
• 2012-18 Legislative District Uninsured Rates Chart Book: Washington State - Feb. 2020
• 2012-18 Congressional District Uninsured Rates Chart Book: Washington State - Feb. 2020
• 2012-18 County Uninsured Rates Chart Book: Washington State - Feb. 2020
• 2015-18 Uninsured Rates Chart Book for Accountable Communities of Health: Washington State - Feb. 2020
• Washington State's Uninsured Rate Increased Significantly in 2018 for the First Time Since 2014 - Research Brief 95, Dec. 2019

American community survey estimates of coverage in 2017

• Public-funded Health Coverage in Washington: 2017 - Research Brief 92, Aug. 2019
• Health Coverage Disparities Associated with Immigration Status in Washington State's Non-elderly Adult Population: 2010-17 - Research Brief 91, May 2019
• Washington State's Immigrant Population: 2010-17 - Research Brief 90, Mar. 2019
• 2012-17 Congressional District Uninsured Rates Chart Book: Washington State - Jan. 2019
• 2012-17 Legislative District Uninsured Rates Chart Book: Washington State - Jan. 2019
• 2011-17 County Uninsured Rates Chart Book: Washington State - Jan. 2019
• 2015-17 Uninsured Rates Chart Book for Accountable Communities of Health: Washington State - Jan. 2019
• After a Three Year Decline, Washington's Uninsured Rate Shows No Change in 2017 - Research Brief 89, Dec. 2018

American community survey estimates of coverage in 2016

• 2012-16 Legislative District Uninsured Rates Chart Book: Washington State - Mar. 2018
• 2012-16 Congressional District Uninsured Rates Chart Book: Washington State - Mar. 2018
• County Uninsured Rates in Washington: 2013-16 - Research Brief 87, Feb. 2018
• Three Years' ACA Impact on Washington State's Health Coverage - Research Brief 86, Jan. 2018 (revised 2/2018)
• The Affordable Care Act: Impacts in Washington State by Congressional District - May 2017

American community survey estimates of coverage in 2015

• Chart Book of 2012-15 Uninsured Rates for Washington State Congressional Districts - May 2017
• Select Characteristics of Medicaid Enrollees in Washington's Legislative Districts - Apr. 2017
• 2012-2015 Legislative Districts Uninsured Rates Chart Book - Apr 2017
• Select Characteristics of Medicaid Enrollees in Washington's Congressional District - Mar. 2017
• Health Coverage Changes Under the ACA for Non-elderly Veterans and Spouses of Veterans in Washington - Research Brief 82, Mar. 2017
• Second Year Impact of ACA on Washington State's Health Coverage - Research Brief 80, Dec. 2016

American community survey estimates of coverage in 2014

• Medicaid Growth Under the ACA: A Game-Changer in Reducing Washington's Uninsured in 2014 - Research Brief 76, Apr. 2016
• County Health Coverage in Washington State, 2014 - Research Brief 77, Apr. 2016
• Adjustment to the ACS 2014 Undercount of Medicaid in Washington State - Apr. 2016
• Uninsured Rate Changes in Washington State's Population Groups: 2013-14 - Research Brief 74, Nov. 2015
• First Year Impact of ACA on Washington State's Health Coverage - Research Brief 73, Sept. 2015

COVID-19 health coverage impact model estimates

• Estimated Impact of COVID-19 on Washington State's Health Coverage - July 9, 2021 (final update)

Estimates of uninsured Medicaid or qualified health plan eligible individuals, by Washington Coalition on Medicaid Outreach (WCOMO)

• Washington State
• Benton-Franklin Community Action Connections
• Better Health Together
• CHOICE Regional Health Network
• Clark County Public Health
• Cowlitz Family Health Center
• Kitsap Public Health District
• Public Health Seattle-King County
• Tacoma-Pierce County Health Department
• Whatcom Alliance for Healthcare Advancement
• Yakima Neighborhood Health Services
• Methodology brief

Links to:

• Employer-Based Insurance
• Health Care Data Resources
• Understanding Newly Covered Populations - Jan. 2012
• Urban Institute Presentation

Medicaid coverage

• Demographic Characteristics and Health Status of Non-elderly Adults Enrolled in Washington's Medicaid Expansion in 2015 - Research Brief 84, Jun. 2017

Trends in health coverage rates

• County Uninsured Rates in Washington: 2013-16 - Feb. 2018
• 2013-16 County Uninsured Rates Chart Book: Washington State - Feb. 2018
• Trends in County Uninsured Rates: 2013-15 - Research Brief 81, Mar. 2017
• 2011-15 County Uninsured Rates Chart Book - Mar. 2017

Uninsured by county: 2013 and 2014

• Percent Uninsured by County: 2013 and 2014 - Jan. 2015