15 States Where the Most People Have Health Insurance

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Doctor talking to a patient in a hospital bed
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More than 9 in 10 people in the U.S. had some type of health insurance coverage in 2022, according to the latest data from the U.S. Census Bureau. Nationwide, 8.0% of Americans went uninsured for the year.

However, the rates of coverage can vary widely from state to state.

To extend health coverage to more Americans, the Affordable Care Act of 2010 gave states the option to expand eligibility for Medicaid. The expansion brings the joint federal and state health insurance program primarily for people with low incomes to more Americans with incomes below a new threshold of the federal poverty level.

Kentucky, like nearly every other state on this list, is among the majority of states that had expanded their Medicaid programs as of Jan. 1, 2022, the U.S. Census Bureau reports.

Following are the states with the smallest proportion of uninsured residents and, therefore, the biggest share of people covered by health insurance.

For a look at the states at the opposite end of this spectrum, check out “15 States Where the Most People Lack Health Insurance.”

14. Kentucky (tie)

Louisville Kentucky
Sean Pavone / Shutterstock.com

Share of state’s population without health insurance coverage in:

  • 2022: 5.6%
  • 2021: 5.7%
  • 2019: 6.4%
  • 2010: 15.3%

State’s Medicaid expansion status as of Jan. 1, 2022: Expanded

14. Delaware (tie)

New Jersey from Delaware
Felix Mizioznikov / Shutterstock.com

Share of state’s population without health insurance coverage in:

  • 2022: 5.6%
  • 2021: 5.7%
  • 2019: 6.6%
  • 2010: 9.7%

State’s Medicaid expansion status as of Jan. 1, 2022: Expanded

13. Pennsylvania

Harrisburg, Pennsylvania
Jon Bilous / Shutterstock.com

Share of state’s population without health insurance coverage in:

  • 2022: 5.3%
  • 2021: 5.5%
  • 2019: 5.8%
  • 2010: 10.2%

State’s Medicaid expansion status as of Jan. 1, 2022: Expanded

11. Connecticut (tie)

Hartford, Connecticut
Sean Pavone / Shutterstock.com

Share of state’s population without health insurance coverage in:

  • 2022: 5.2%
  • 2021: 5.2%
  • 2019: 5.9%
  • 2010: 9.1%

State’s Medicaid expansion status as of Jan. 1, 2022: Expanded

11. Wisconsin (tie)

Milwaukee, Wisconsin
f11photo / Shutterstock.com

Share of state’s population without health insurance coverage in:

  • 2022: 5.2%
  • 2021: 5.4%
  • 2019: 5.7%
  • 2010: 9.4%

State’s Medicaid expansion status as of Jan. 1, 2022: Not expanded

9. New York (tie)

Rochester New York
TarnPisessith / Shutterstock.com

Share of state’s population without health insurance coverage in:

  • 2022: 4.9%
  • 2021: 5.2%
  • 2019: 5.2%
  • 2010: 11.9%

State’s Medicaid expansion status as of Jan. 1, 2022: Expanded

9. New Hampshire (tie)

Concord, New Hampshire
Wangkun Jia / Shutterstock.com

Share of state’s population without health insurance coverage in:

  • 2022: 4.9%
  • 2021: 5.1%
  • 2019: 6.3%
  • 2010: 11.1%

State’s Medicaid expansion status as of Jan. 1, 2022: Expanded

6. Iowa (3-way tie)

Sheldon, Iowa
Joel McCartan / Shutterstock.com

Share of state’s population without health insurance coverage in:

  • 2022: 4.5%
  • 2021: 4.8%
  • 2019: 5.0%
  • 2010: 9.3%

State’s Medicaid expansion status as of Jan. 1, 2022: Expanded

6. Minnesota (3-way tie)

Minneapolis, Minnesota
nikitsin.smugmug.com / Shutterstock.com

Share of state’s population without health insurance coverage in:

  • 2022: 4.5%
  • 2021: 4.5%
  • 2019: 4.9%
  • 2010: 9.1%

State’s Medicaid expansion status as of Jan. 1, 2022: Expanded

6. Michigan (3-way tie)

Monroe, Michigan
Cozyartz Digital Media / Shutterstock.com

Share of state’s population without health insurance coverage in:

  • 2022: 4.5%
  • 2021: 5.0%
  • 2019: 5.8%
  • 2010: 12.4%

State’s Medicaid expansion status as of Jan. 1, 2022: Expanded

5. Rhode Island

Providence, Rhode Island
Sean Pavone / Shutterstock.com

Share of state’s population without health insurance coverage in:

  • 2022: 4.2%
  • 2021: 4.3%
  • 2019: 4.1%
  • 2010: 12.2%

State’s Medicaid expansion status as of Jan. 1, 2022: Expanded

4. Vermont

Lake Memphremagog in Newport, Vermont
NEKVT / Shutterstock.com

Share of state’s population without health insurance coverage in:

  • 2022: 3.9%
  • 2021: 3.7%
  • 2019: 4.5%
  • 2010: 8.0%

State’s Medicaid expansion status as of Jan. 1, 2022: Expanded

3. Hawaii

Lanikai Beach in Kailua, Hawaii
segawa7 / Shutterstock.com

Share of state’s population without health insurance coverage in:

  • 2022: 3.5%
  • 2021: 3.9%
  • 2019: 4.2%
  • 2010: 7.9%

State’s Medicaid expansion status as of Jan. 1, 2022: Expanded

2. District of Columbia

U.S. Capitol
Orhan Cam / Shutterstock.com

Share of district’s population without health insurance coverage in:

  • 2022: 2.9%
  • 2021: 3.7%
  • 2019: 3.5%
  • 2010: 7.6%

District’s Medicaid expansion status as of Jan. 1, 2022: Expanded

1. Massachusetts

Boston, Massachusetts
f11photo / Shutterstock.com

Share of state’s population without health insurance coverage in:

  • 2022: 2.4%
  • 2021: 2.5%
  • 2019: 3.0%
  • 2010: 4.4%

State’s Medicaid expansion status as of Jan. 1, 2022: Expanded

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