Full Year Average Marketplace Effectuated Enrollment, 2017-2024
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2024
Location Total Effectuated Marketplace Enrollment
United States 20968847 Alabama 396750 Alaska 25126 Arizona 349847 Arkansas 134543 California 1795695 Colorado 229679 Connecticut 131600 Delaware 43129 District of Columbia 11484 Florida 4163154 Georgia 1259957 Hawaii 20486 Idaho 102396 Illinois 378297 Indiana 295264 Iowa 113095 Kansas 168080 Kentucky 74927 Louisiana 229588 Maine 59136 Maryland 208970 Massachusetts 310491 Michigan 430037 Minnesota 132544 Mississippi 281548 Missouri 356574 Montana 65991 Nebraska 115949 Nevada 92949 New Hampshire 62004 New Jersey 405257 New Mexico 58196 New York 226331 North Carolina 928561 North Dakota 37305 Ohio 486216 Oklahoma 269554 Oregon 132020 Pennsylvania 424411 Rhode Island 41346 South Carolina 543454 South Dakota 49533 Tennessee 545586 Texas 3383171 Utah 372832 Vermont 29819 Virginia 355176 Washington 280820 West Virginia 52741 Wisconsin 267285 Wyoming 39943
2023
Location Total Effectuated Marketplace Enrollment
United States 16153121 Alabama 259036 Alaska 23308 Arizona 234163 Arkansas 97040 California 1684963 Colorado 185447 Connecticut 110304 Delaware 33053 District of Columbia 11512 Florida 3188569 Georgia 896429 Hawaii 19686 Idaho 85606 Illinois 301622 Indiana 189105 Iowa 81068 Kansas 122871 Kentucky 57779 Louisiana 126719 Maine 59355 Maryland 174874 Massachusetts 224073 Michigan 308216 Minnesota 112654 Mississippi 181229 Missouri 255847 Montana 51358 Nebraska 94340 Nevada 83830 New Hampshire 52722 New Jersey 316203 New Mexico 41749 New York 213206 North Carolina 798116 North Dakota 32411 Ohio 309141 Oklahoma 201351 Oregon 127296 Pennsylvania 357402 Rhode Island 30091 South Carolina 403143 South Dakota 45915 Tennessee 365541 Texas 2439628 Utah 296322 Vermont 25600 Virginia 333752 Washington 233961 West Virginia 29089 Wisconsin 210798 Wyoming 35628
2022
Location Total Effectuated Marketplace Enrollment
United States 13477029 Alabama 202847 Alaska 21251 Arizona 181741 Arkansas 77748 California 1701375 Colorado 180309 Connecticut 102608 Delaware 29872 District of Columbia 13655 Florida 2585959 Georgia 638596 Hawaii 19812 Idaho 68792 Illinois 288176 Indiana 144519 Iowa 68290 Kansas 98753 Kentucky 61618 Louisiana 93690 Maine 59234 Maryland 168097 Massachusetts 224613 Michigan 276655 Minnesota 110310 Mississippi 126731 Missouri 217196 Montana 48626 Nebraska 88875 Nevada 90397 New Hampshire 48316 New Jersey 297159 New Mexico 34678 New York 210523 North Carolina 628083 North Dakota 29185 Ohio 235976 Oklahoma 171473 Oregon 130283 Pennsylvania 338575 Rhode Island 30790 South Carolina 281301 South Dakota 39452 Tennessee 254118 Texas 1718549 Utah 252336 Vermont 24588 Virginia 287063 Washington 223209 West Virginia 21108 Wisconsin 196848 Wyoming 33071
2021
Location Total Effectuated Marketplace Enrollment
United States 11734931 Alabama 169663 Alaska 17494 Arizona 151183 Arkansas 62971 California 1621859 Colorado 163299 Connecticut 100256 Delaware 24810 District of Columbia 15891 Florida 2125588 Georgia 514921 Hawaii 19905 Idaho 66556 Illinois 269580 Indiana 124920 Iowa 56214 Kansas 86026 Kentucky 71880 Louisiana 78291 Maine 55961 Maryland 158932 Massachusetts 263169 Michigan 250559 Minnesota 107637 Mississippi 101706 Missouri 207961 Montana 42496 Nebraska 83918 Nevada 81523 New Hampshire 44837 New Jersey 263680 New Mexico 39655 New York 208801 North Carolina 521835 North Dakota 23161 Ohio 191727 Oklahoma 165636 Oregon 127043 Pennsylvania 319560 Rhode Island 31436 South Carolina 225800 South Dakota 31762 Tennessee 206930 Texas 1314188 Utah 207438 Vermont 23937 Virginia 250227 Washington 218390 West Virginia 16923 Wisconsin 180020 Wyoming 26776
2020
Location Total Effectuated Marketplace Enrollment
United States 10408982 Alabama 143075 Alaska 15544 Arizona 135366 Arkansas 56071 California 1514297 Colorado 156196 Connecticut 100626 Delaware 22338 District of Columbia 16195 Florida 1757882 Georgia 413122 Hawaii 18528 Idaho 68878 Illinois 259519 Indiana 125261 Iowa 51519 Kansas 76702 Kentucky 71430 Louisiana 75432 Maine 55388 Maryland 149367 Massachusetts 286857 Michigan 234780 Minnesota 105327 Mississippi 86736 Missouri 183019 Montana 40183 Nebraska 82649 Nevada 66538 New Hampshire 40671 New Jersey 215129 New Mexico 37176 New York 238377 North Carolina 452638 North Dakota 19976 Ohio 174882 Oklahoma 143361 Oregon 127448 Pennsylvania 290571 Rhode Island 32754 South Carolina 188907 South Dakota 27786 Tennessee 178195 Texas 1010181 Utah 185925 Vermont 24732 Virginia 232867 Washington 201436 West Virginia 17567 Wisconsin 176820 Wyoming 22758
2019
Location Total Effectuated Marketplace Enrollment
United States 9810613 Alabama 140678 Alaska 15261 Arizona 135074 Arkansas 55903 California 1348547 Colorado 142152 Connecticut 97272 Delaware 19352 District of Columbia 15921 Florida 1551765 Georgia 373049 Hawaii 17002 Idaho 85926 Illinois 262714 Indiana 127470 Iowa 44799 Kansas 77880 Kentucky 70936 Louisiana 77579 Maine 59844 Maryland 134775 Massachusetts 276808 Michigan 234530 Minnesota 98009 Mississippi 74304 Missouri 179171 Montana 39684 Nebraska 80080 Nevada 67052 New Hampshire 38889 New Jersey 211462 New Mexico 37992 New York 241576 North Carolina 428116 North Dakota 19848 Ohio 171320 Oklahoma 138015 Oregon 126846 Pennsylvania 303134 Rhode Island 32784 South Carolina 180113 South Dakota 26281 Tennessee 174568 Texas 902787 Utah 179518 Vermont 25730 Virginia 248688 Washington 200205 West Virginia 18410 Wisconsin 178865 Wyoming 21929
2018
Location Total Effectuated Marketplace Enrollment
United States 9895197 Alabama 146065 Alaska 15539 Arizona 139489 Arkansas 55906 California 1373061 Colorado 135606 Connecticut 100685 Delaware 19461 District of Columbia 17065 Florida 1460358 Georgia 365269 Hawaii 16232 Idaho 85505 Illinois 278661 Indiana 134543 Iowa 40541 Kansas 80508 Kentucky 74060 Louisiana 83763 Maine 64844 Maryland 129817 Massachusetts 246917 Michigan 244864 Minnesota 96940 Mississippi 65644 Missouri 198472 Montana 41197 Nebraska 76665 Nevada 70615 New Hampshire 39203 New Jersey 222607 New Mexico 41006 New York 224957 North Carolina 431518 North Dakota 19642 Ohio 187187 Oklahoma 126369 Oregon 128677 Pennsylvania 336198 Rhode Island 31902 South Carolina 174881 South Dakota 26389 Tennessee 194060 Texas 895823 Utah 169563 Vermont 26714 Virginia 318776 Washington 210892 West Virginia 21596 Wisconsin 187037 Wyoming 21908
2017
Location Total Effectuated Marketplace Enrollment
United States 9763076 Alabama 148937 Alaska 14626 Arizona 137296 Arkansas 54530 California 1321234 Colorado 140012 Connecticut 92697 Delaware 21507 District of Columbia 17849 Florida 1334172 Georgia 379408 Hawaii 16316 Idaho 82517 Illinois 281640 Indiana 139001 Iowa 42630 Kansas 81425 Kentucky 70652 Louisiana 101171 Maine 66880 Maryland 128809 Massachusetts 242020 Michigan 262216 Minnesota 88562 Mississippi 61519 Missouri 200767 Montana 44369 Nebraska 71357 Nevada 70801 New Hampshire 44297 New Jersey 234840 New Mexico 42474 New York 211693 North Carolina 434083 North Dakota 19347 Ohio 193830 Oklahoma 117383 Oregon 126528 Pennsylvania 344180 Rhode Island 29361 South Carolina 173549 South Dakota 25789 Tennessee 189425 Texas 897182 Utah 165285 Vermont 27923 Virginia 339387 Washington 182365 West Virginia 25826 Wisconsin 202254 Wyoming 21155
Notes
Data represent the average monthly number of individuals who had an active Marketplace policy and who paid their premium (thus effectuating their coverage) for each full plan year.
Sources
Effectuated Enrollment: Early 2025 Snapshot and Full Year 2024 Average , Centers for Medicare and Medicaid Services (CMS), March 15, 2025.
Effectuated Enrollment: Early 2024 Snapshot and Full Year 2023 Average , Centers for Medicare and Medicaid Services (CMS), March 15, 2024.
Effectuated Enrollment: Early 2023 Snapshot and Full Year 2022 Average , Centers for Medicare and Medicaid Services (CMS), March 15, 2023.
Early 2022 Effectuated Enrollment Snapshot , Centers for Medicare and Medicaid Services (CMS), March 15, 2022.
Early 2021 Effectuated Enrollment Snapshot , Centers for Medicare and Medicaid Services (CMS), June 5, 2021.
Early 2020 Effectuated Enrollment Snapshot , Centers for Medicare and Medicaid Services (CMS), July 23, 2020.
Early 2019 Effectuated Enrollment Snapshot , Centers for Medicare and Medicaid Services (CMS), August 13, 2019.
Early 2018 Effectuated Enrollment Snapshot , Centers for Medicare and Medicaid Services (CMS), July 2, 2018.