Ranking of Iowa Counties By Number of People and Percentage of Population With No Health Insurance Coverage in 2021 (ACS-5Yrs)
Updated on October 27, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, the percentage of the Iowa population without a health insurance coverage was 4.86% (i.e. 152,516 people). Percentagewise, among all Iowa counties, Davis County had the highest percentage of its population with no health insurance coverage (29.37%), followed by Van Buren County (13.54%), and Franklin County (11.47%).
In numerical terms, Polk County had the highest number of people without a health insurance coverage (22,757), followed by Linn County (9,059), and Scott County (8,743).
The charts below shows the top 10 counties by the number of people and percentage of the population without a health insurance coverage. The tables below shows the ranking for all Iowa counties.
You can see similar information for other types of health insurance coverages.
You can also see similar information for other states.
Related Topics: Iowa ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census - ACS 5-Year Estimates.
Ranking of Iowa Counties By Percentage of Population With
No Health Insurance Coverage in 2021
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| Rank | County | Percentage of Population (%) |
|---|---|---|
| 1 | Davis County | 29.37 |
| 2 | Van Buren County | 13.54 |
| 3 | Franklin County | 11.47 |
| 4 | Crawford County | 10.06 |
| 5 | Wayne County | 9.68 |
| 6 | Appanoose County | 8.55 |
| 7 | Howard County | 8.52 |
| 8 | Union County | 8.21 |
| 9 | Chickasaw County | 7.82 |
| 10 | Decatur County | 7.68 |
| 11 | Tama County | 7.57 |
| 12 | Lucas County | 7.43 |
| 13 | Buena Vista County | 7.04 |
| 14 | Allamakee County | 6.81 |
| 15 | Ringgold County | 6.72 |
| 16 | Clayton County | 6.70 |
| 16 | Webster County | 6.70 |
| 17 | Washington County | 6.66 |
| 18 | Woodbury County | 6.63 |
| 19 | Mitchell County | 6.55 |
| 20 | Wapello County | 6.48 |
| 21 | Taylor County | 6.39 |
| 22 | Marshall County | 6.17 |
| 23 | Floyd County | 6.09 |
| 24 | Buchanan County | 6.07 |
| 25 | Adams County | 5.98 |
| 26 | Worth County | 5.88 |
| 27 | Clarke County | 5.86 |
| 27 | Louisa County | 5.86 |
| 28 | Cherokee County | 5.82 |
| 29 | Osceola County | 5.76 |
| 30 | Plymouth County | 5.57 |
| 31 | Sioux County | 5.53 |
| 32 | Jefferson County | 5.47 |
| 33 | Humboldt County | 5.38 |
| 34 | Pottawattamie County | 5.36 |
| 34 | Story County | 5.36 |
| 35 | Adair County | 5.19 |
| 35 | Clay County | 5.19 |
| 36 | Ida County | 5.16 |
| 37 | Mahaska County | 5.14 |
| 38 | Shelby County | 5.09 |
| 39 | Clinton County | 5.07 |
| 39 | Johnson County | 5.07 |
| 39 | Scott County | 5.07 |
| 40 | Dickinson County | 5.02 |
| 41 | Fayette County | 4.97 |
| 41 | Monona County | 4.97 |
| 42 | Cass County | 4.79 |
| 42 | Pocahontas County | 4.79 |
| 43 | Polk County | 4.71 |
| 44 | Lyon County | 4.61 |
| 45 | Lee County | 4.59 |
| 46 | Sac County | 4.56 |
| 47 | Audubon County | 4.50 |
| 48 | Black Hawk County | 4.49 |
| 49 | Emmet County | 4.46 |
| 50 | Jackson County | 4.43 |
| 51 | Dallas County | 4.42 |
| 52 | Page County | 4.31 |
| 53 | Kossuth County | 4.29 |
| 54 | Hardin County | 4.26 |
| 55 | Hancock County | 4.17 |
| 55 | Monroe County | 4.17 |
| 56 | Poweshiek County | 4.13 |
| 57 | Palo Alto County | 4.11 |
| 58 | Butler County | 4.06 |
| 59 | Wright County | 4.03 |
| 60 | Marion County | 4.01 |
| 61 | Linn County | 3.99 |
| 62 | Cerro Gordo County | 3.96 |
| 62 | Des Moines County | 3.96 |
| 63 | Guthrie County | 3.81 |
| 64 | Muscatine County | 3.75 |
| 65 | Fremont County | 3.73 |
| 66 | Hamilton County | 3.66 |
| 66 | Harrison County | 3.66 |
| 67 | Boone County | 3.63 |
| 68 | Calhoun County | 3.60 |
| 69 | Henry County | 3.59 |
| 70 | Montgomery County | 3.52 |
| 71 | Winnebago County | 3.46 |
| 72 | O'Brien County | 3.45 |
| 73 | Dubuque County | 3.42 |
| 74 | Greene County | 3.24 |
| 75 | Mills County | 3.22 |
| 76 | Carroll County | 3.12 |
| 77 | Madison County | 3.07 |
| 78 | Jasper County | 3.04 |
| 79 | Benton County | 3.03 |
| 80 | Delaware County | 3.01 |
| 81 | Grundy County | 2.92 |
| 82 | Cedar County | 2.84 |
| 82 | Keokuk County | 2.84 |
| 83 | Iowa County | 2.74 |
| 84 | Bremer County | 2.54 |
| 85 | Winneshiek County | 2.51 |
| 86 | Jones County | 2.50 |
| 87 | Warren County | 2.08 |
Ranking of Iowa Counties By Number of People With
NO Health Insurance Coverage in 2021
Items per page:
25
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| Rank | County | Number of People |
|---|---|---|
| 1 | Polk County | 22757 |
| 2 | Linn County | 9059 |
| 3 | Scott County | 8743 |
| 4 | Johnson County | 7619 |
| 5 | Woodbury County | 6894 |
| 6 | Black Hawk County | 5854 |
| 7 | Story County | 5231 |
| 8 | Pottawattamie County | 4966 |
| 9 | Dallas County | 4252 |
| 10 | Dubuque County | 3336 |
| 11 | Davis County | 2635 |
| 12 | Marshall County | 2407 |
| 13 | Webster County | 2366 |
| 14 | Clinton County | 2340 |
| 15 | Wapello County | 2269 |
| 16 | Sioux County | 1950 |
| 17 | Cerro Gordo County | 1691 |
| 18 | Crawford County | 1651 |
| 19 | Muscatine County | 1595 |
| 20 | Des Moines County | 1528 |
| 21 | Lee County | 1497 |
| 22 | Washington County | 1478 |
| 23 | Buena Vista County | 1442 |
| 24 | Plymouth County | 1409 |
| 25 | Marion County | 1331 |
| 26 | Tama County | 1267 |
| 27 | Buchanan County | 1238 |
| 28 | Franklin County | 1140 |
| 29 | Clayton County | 1138 |
| 30 | Mahaska County | 1127 |
| 31 | Jasper County | 1099 |
| 32 | Warren County | 1067 |
| 33 | Appanoose County | 1045 |
| 34 | Union County | 992 |
| 35 | Van Buren County | 967 |
| 36 | Fayette County | 959 |
| 37 | Boone County | 957 |
| 38 | Floyd County | 944 |
| 39 | Allamakee County | 943 |
| 40 | Chickasaw County | 931 |
| 41 | Dickinson County | 873 |
| 42 | Jefferson County | 859 |
| 43 | Jackson County | 856 |
| 44 | Clay County | 841 |
| 45 | Howard County | 792 |
| 46 | Benton County | 770 |
| 47 | Poweshiek County | 760 |
| 48 | Hardin County | 703 |
| 49 | Henry County | 694 |
| 50 | Mitchell County | 678 |
| 51 | Cherokee County | 658 |
| 52 | Carroll County | 639 |
| 53 | Lucas County | 636 |
| 54 | Louisa County | 631 |
| 55 | Kossuth County | 628 |
| 56 | Bremer County | 623 |
| 57 | Wayne County | 622 |
| 58 | Cass County | 620 |
| 59 | Page County | 615 |
| 60 | Shelby County | 589 |
| 61 | Decatur County | 585 |
| 62 | Butler County | 578 |
| 63 | Clarke County | 563 |
| 64 | Lyon County | 545 |
| 65 | Hamilton County | 544 |
| 66 | Harrison County | 526 |
| 67 | Delaware County | 522 |
| 68 | Cedar County | 518 |
| 69 | Wright County | 517 |
| 70 | Humboldt County | 513 |
| 71 | Madison County | 499 |
| 71 | Winneshiek County | 499 |
| 72 | Jones County | 490 |
| 73 | O'Brien County | 481 |
| 74 | Mills County | 463 |
| 75 | Iowa County | 448 |
| 76 | Hancock County | 446 |
| 77 | Sac County | 442 |
| 78 | Worth County | 433 |
| 79 | Monona County | 426 |
| 80 | Emmet County | 409 |
| 81 | Guthrie County | 400 |
| 82 | Adair County | 379 |
| 83 | Taylor County | 374 |
| 84 | Winnebago County | 366 |
| 85 | Palo Alto County | 363 |
| 86 | Montgomery County | 358 |
| 87 | Grundy County | 356 |
| 88 | Ida County | 355 |
| 89 | Osceola County | 351 |
| 90 | Calhoun County | 334 |
| 90 | Pocahontas County | 334 |
| 91 | Monroe County | 312 |
| 92 | Ringgold County | 306 |
| 93 | Greene County | 283 |
| 93 | Keokuk County | 283 |
| 94 | Audubon County | 250 |
| 95 | Fremont County | 246 |
| 96 | Adams County | 218 |