States ranked by ACA enrollment growth since 2020

The ACA marketplace hit a record enrollment high of 21 million in 2024, buoyed by federal premium subsidies. In 2020, ACA enrollment was 11 million.

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States ranked by ACA enrollment growth since 2020:
Source: KFF

Texas: 212%

Mississippi: 190%

Georgia: 181%

Tennessee: 177%

South Carolina: 167%

West Virginia: 154%

Arkansas: 143%

Ohio: 143%

Louisiana: 142%

Alabama: 141%

Arizona: 127%

Florida: 120%

Indiana: 110%

Iowa: 104%

North Carolina: 103%

Kansas: 100%

Delaware: 87%

Utah: 83%

South Dakota: 81%

North Dakota: 78%

Missouri: 77%

Oklahoma: 75%

Wyoming: 72%

New Jersey: 61%

Michigan: 59%

Alaska: 55%

Montana: 51%

Virginia: 48%

New Hampshire: 47%

Colorado: 42%

Wisconsin: 36%

Illinois: 36%

Maryland: 35%

Idaho: 32%

New Mexico: 32%

Pennsylvania: 31%

Nebraska: 30%

Washington: 28%

Nevada: 28%

Minnesota: 23%

Connecticut: 20%

California: 16%

Hawaii: 10%

Vermont: 10%

New York: 6%

Rhode Island: 4%

Maine: 1%

Oregon: 0%

Massachusetts: −3%

Kentucky: −9%

District of Columbia: −16%

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