Iowa Marketplace plans by county — 2026

99 counties in Iowa are served by 3,991 Marketplace plans from 6 insurers in 2026. The benchmark silver premium at age 40, before subsidies, runs from $452.73 to $620.90 a month; the county average is $526.26. 2,628,351 residents are under 65.

County	Plans	Insurers	Benchmark silver, age 40	Lowest bronze, age 40	Residents under 65	Benchmark vs. prior year
Adair County	64	5	$502.25	$374.89	5,776	+$34.68
Adams County	38	4	$608.52	$408.82	2,746	+$140.95
Allamakee County	16	2	$589.05	$387.84	10,834	+$84.82
Appanoose County	42	4	$524.06	$353.12	9,302	+$82.92
Audubon County	54	5	$568.88	$408.82	4,174	+$101.31
Benton County	48	4	$490.46	$352.14	20,631	+$74.85
Black Hawk County	42	3	$477.40	$352.14	107,911	+$61.79
Boone County	48	4	$464.34	$349.77	21,344	+$57.33
Bremer County	32	3	$580.55	$386.77	20,224	+$107.66
Buchanan County	48	4	$490.46	$352.14	16,839	+$74.85
Buena Vista County	26	3	$548.51	$401.22	17,380	+$108.03
Butler County	58	4	$484.81	$361.87	10,962	+$11.92
Calhoun County	26	3	$532.69	$350.73	7,483	+$125.68
Carroll County	26	3	$532.69	$350.73	16,233	+$125.68
Cass County	57	5	$568.88	$408.82	10,035	+$101.31
Cedar County	48	4	$490.46	$352.14	14,490	+$74.85
Cerro Gordo County	52	4	$484.81	$361.87	32,596	+$55.79
Cherokee County	42	4	$505.43	$392.39	8,715	+$121
Chickasaw County	42	4	$544	$387.84	9,136	+$114.98
Clarke County	38	4	$608.52	$408.82	7,738	+$140.95
Clay County	28	3	$570.88	$408.82	12,775	+$39.39
Clayton County	29	3	$536.31	$353.12	12,753	+$120.70
Clinton County	52	4	$477.40	$353.12	36,890	+$61.79
Crawford County	32	3	$505.43	$392.39	13,349	+$121
Dallas County	42	3	$459.01	$342.61	94,075	+$49.14
Davis County	32	3	$524.06	$353.12	7,496	+$64.98
Decatur County	54	5	$568.88	$408.82	6,120	+$101.31
Delaware County	32	3	$528.57	$352.14	13,774	+$112.96
Des Moines County	16	2	$536.31	$353.12	30,307	+$77.23
Dickinson County	28	3	$570.88	$408.82	12,911	+$39.39
Dubuque County	58	4	$477.40	$352.14	79,878	+$61.79
Emmet County	28	3	$579.05	$387.84	7,032	+$74.82
Fayette County	55	4	$484.81	$361.87	14,864	+$11.92
Floyd County	42	4	$544	$387.84	11,802	+$114.98
Franklin County	52	4	$484.81	$361.87	7,809	+$11.92
Fremont County	44	4	$568.88	$408.82	4,939	+$119.45
Greene County	29	3	$532.69	$350.73	6,569	+$125.68
Grundy County	32	3	$525	$349.77	9,784	+$117.99
Guthrie County	38	4	$608.52	$408.82	8,097	+$140.95
Hamilton County	36	3	$462.09	$344.91	11,729	+$55.08
Hancock County	52	4	$484.81	$361.87	8,117	+$55.79
Hardin County	52	4	$460.90	$344.91	12,671	+$74.81
Harrison County	41	4	$608.52	$408.82	11,686	+$140.95
Henry County	32	3	$524.06	$353.12	15,973	+$127.68
Howard County	26	3	$586.74	$387.84	7,513	+$113.85
Humboldt County	26	3	$586.74	$387.84	7,516	+$113.85
Ida County	42	4	$505.43	$392.39	5,378	+$121
Iowa County	29	3	$536.31	$353.12	13,157	+$120.70
Jackson County	58	4	$477.40	$352.14	15,086	+$61.79
Jasper County	55	4	$459.01	$342.61	30,454	+$49.14
Jefferson County	42	4	$524.06	$353.12	11,513	+$127.68
Johnson County	16	2	$536.31	$353.12	135,805	+$77.23
Jones County	32	3	$528.57	$352.14	16,437	+$112.96
Keokuk County	42	4	$524.06	$353.12	7,691	+$82.92
Kossuth County	52	4	$484.81	$361.87	10,830	+$55.79
Lee County	32	3	$524.06	$353.12	25,584	+$127.68
Linn County	38	3	$490.46	$352.14	190,202	+$65.89
Louisa County	32	3	$524.06	$353.12	8,532	+$127.68
Lucas County	26	3	$536.31	$353.12	6,799	+$95.17
Lyon County	28	3	$570.88	$408.82	9,842	+$39.39
Madison County	52	4	$459.01	$342.61	13,931	+$49.14
Mahaska County	42	4	$524.06	$353.12	17,822	+$127.68
Marion County	52	4	$459.01	$342.61	27,127	+$49.14
Marshall County	32	3	$525	$349.77	32,813	+$117.99
Mills County	57	5	$568.88	$408.82	11,647	+$119.45
Mitchell County	36	3	$484.81	$361.87	8,285	+$11.92
Monona County	42	4	$505.43	$392.39	6,473	+$121
Monroe County	52	4	$519.76	$353.12	5,965	+$123.38
Montgomery County	57	5	$568.88	$408.82	7,853	+$119.45
Muscatine County	22	2	$528.57	$352.14	34,868	+$72.07
O'Brien County	28	3	$570.88	$408.82	11,137	+$39.39
Osceola County	28	3	$570.88	$408.82	4,711	+$39.39
Page County	44	4	$568.88	$408.82	11,467	+$44.71
Palo Alto County	42	4	$505.43	$392.39	6,893	+$64.95
Plymouth County	36	3	$452.73	$337.92	20,651	+$12.25
Pocahontas County	16	2	$620.90	$408.82	5,364	+$89.41
Polk County	58	4	$459.01	$342.61	432,900	+$49.14
Pottawattamie County	66	5	$568.88	$408.82	75,916	+$119.45
Poweshiek County	29	3	$525	$349.77	14,578	+$117.99
Ringgold County	54	5	$568.88	$408.82	3,546	+$119.45
Sac County	26	3	$548.51	$401.22	7,338	+$108.03
Scott County	58	4	$477.40	$352.14	143,991	+$61.79
Shelby County	57	5	$568.88	$408.82	9,054	+$119.45
Sioux County	54	5	$505.43	$392.39	30,346	+$121
Story County	16	2	$532.69	$350.73	87,191	+$76.71
Tama County	58	4	$460.90	$344.91	13,331	+$53.89
Taylor County	44	4	$568.88	$408.82	4,526	+$44.71
Union County	54	5	$568.88	$408.82	9,503	+$101.31
Van Buren County	42	4	$524.06	$353.12	5,534	+$127.68
Wapello County	26	3	$536.31	$353.12	28,866	+$95.17
Warren County	58	4	$459.01	$342.61	45,297	+$49.14
Washington County	32	3	$524.06	$353.12	18,023	+$127.68
Wayne County	42	4	$524.06	$353.12	5,057	+$82.92
Webster County	16	2	$532.69	$350.73	29,563	+$76.71
Winnebago County	52	4	$484.81	$361.87	8,242	+$11.92
Winneshiek County	16	2	$589.05	$387.84	15,241	+$84.82
Woodbury County	58	4	$452.73	$337.92	89,383	+$68.30
Worth County	52	4	$484.81	$361.87	5,666	+$11.92
Wright County	26	3	$586.74	$387.84	9,964	+$113.85

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This page summarizes publicly available CMS data. It does not recommend plans and is not an application. To check subsidy eligibility and enroll, use HealthCare.gov or talk to a licensed agent. HealthCare.gov plan preview.