Indiana counties

Medicare Advantage and marketplace plans are set by area, so start with your county. 92 listed.

CountyPopulation (2023 est.)Rank in Indiana
Adams County36,28843
Allen County394,5453
Bartholomew County84,00319
Benton County8,72989
Blackford County11,89385
Boone County76,12023
Brown County15,65379
Carroll County20,52570
Cass County37,66640
Clark County125,46714
Clay County26,46059
Clinton County32,73052
Crawford County10,43886
Daviess County33,65648
Dearborn County51,21528
Decatur County26,39960
DeKalb County44,19835
Delaware County112,32115
Dubois County43,54636
Elkhart County206,4096
Fayette County23,36265
Floyd County80,80921
Fountain County16,73177
Franklin County23,09667
Fulton County20,35871
Gibson County32,90451
Grant County66,20025
Greene County31,19653
Hamilton County371,6454
Hancock County86,16618
Harrison County40,00638
Hendricks County186,3878
Henry County48,92929
Howard County83,83120
Huntington County36,78142
Jackson County46,46031
Jasper County33,53549
Jay County20,03272
Jefferson County33,05650
Jennings County27,62258
Johnson County167,81911
Knox County36,07044
Kosciusko County80,36422
LaGrange County40,90737
Lake County500,5982
LaPorte County111,70616
Lawrence County45,08434
Madison County132,50413
Marion County968,4601
Marshall County46,35232
Martin County9,89788
Miami County35,40245
Monroe County139,34212
Montgomery County38,57339
Morgan County73,22724
Newton County13,96082
Noble County47,43030
Ohio County6,00492
Orange County19,63874
Owen County21,53268
Parke County16,48478
Perry County19,20975
Pike County12,10684
Porter County175,33510
Posey County25,04061
Pulaski County12,38583
Putnam County37,56741
Randolph County24,21664
Ripley County29,22755
Rush County16,84776
Scott County24,65763
Shelby County45,23133
Spencer County19,91073
St. Joseph County272,8485
Starke County23,20666
Steuben County34,91746
Sullivan County20,75769
Switzerland County10,01987
Tippecanoe County188,7927
Tipton County15,25681
Union County6,97391
Vanderburgh County179,8109
Vermillion County15,41780
Vigo County106,15317
Wabash County30,67054
Warren County8,51890
Warrick County65,86727
Washington County28,20557
Wayne County66,12726
Wells County28,55556
White County24,91762
Whitley County34,74247

Population: U.S. Census Bureau Population Estimates, 2023.

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Reviewed by Richard Lander, licensed insurance agent (NPN 21255551), Lander LLC. Last updated October 3, 2026. This page is educational and is not a quote, an offer of coverage, or legal or tax advice.

Do it yourself

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Medicare

Medicare Open Enrollment starts October 15th

Take a look at Indiana plans, or go ahead and enroll yourself. Call if you need any help with your application.

Under 65 · ACA

ACA Open Enrollment opens November 1st

Take a look at Indiana plans, or go ahead and enroll yourself when it opens. Call if you need any help with your application.

Short-term · TriTerm

Need coverage in between?

Short-term and TriTerm plans can start quickly and help with big unexpected medical bills. They are not ACA plans: they can ask health questions, may not cover pre-existing conditions, and what is offered varies by state. See what Indiana allows.

Questions along the way? Call 855-367-1095 for assistance.