Ranked from ACS 2023 5-Year
Largest US Counties by Population in Iowa
The most populous counties in the country, with what a median home costs to own in each. Between them these counties hold a large share of the American housing market.
Where does yours land?
Every county in America is somewhere on this scale, including the one you live in.
Iowa ranked
| # | County | Population | Monthly to own | Effective rate |
|---|---|---|---|---|
| 1 | Polk County | 497,441 | $2,206 | 1.757% |
| 2 | Linn County | 229,463 | $1,834 | 1.661% |
| 3 | Scott County | 174,302 | $1,873 | 1.516% |
| 4 | Johnson County | 154,881 | $2,520 | 1.565% |
| 5 | Black Hawk County | 130,693 | $1,639 | 1.530% |
| 6 | Woodbury County | 105,760 | $1,549 | 1.478% |
| 7 | Dallas County | 104,136 | $2,808 | 1.454% |
| 8 | Dubuque County | 98,948 | $1,932 | 1.260% |
| 9 | Story County | 98,592 | $2,109 | 1.472% |
| 10 | Pottawattamie County | 93,407 | $1,661 | 1.613% |
| 11 | Warren County | 53,484 | $2,188 | 1.502% |
| 12 | Clinton County | 46,383 | $1,416 | 1.549% |
| 13 | Cerro Gordo County | 42,785 | $1,411 | 1.496% |
| 14 | Muscatine County | 42,735 | $1,562 | 1.547% |
| 15 | Marshall County | 39,971 | $1,256 | 1.514% |
| 16 | Des Moines County | 38,597 | $1,281 | 1.531% |
| 17 | Jasper County | 37,864 | $1,579 | 1.424% |
| 18 | Webster County | 36,848 | $1,287 | 1.478% |
| 19 | Sioux County | 35,984 | $1,984 | 1.155% |
| 20 | Wapello County | 35,265 | $1,101 | 1.642% |
| 21 | Marion County | 33,551 | $1,823 | 1.292% |
| 22 | Lee County | 33,175 | $1,172 | 1.501% |
| 23 | Boone County | 26,669 | $1,693 | 1.434% |
| 24 | Plymouth County | 25,699 | $1,842 | 1.081% |
| 25 | Benton County | 25,698 | $1,731 | 1.324% |
| 26 | Bremer County | 25,118 | $1,803 | 1.349% |
| 27 | Washington County | 22,539 | $1,744 | 1.347% |
| 28 | Mahaska County | 22,045 | $1,295 | 1.388% |
| 29 | Jones County | 20,799 | $1,611 | 1.298% |
| 30 | Buena Vista County | 20,684 | $1,323 | 1.240% |
| 31 | Carroll County | 20,677 | $1,516 | 1.052% |
| 32 | Buchanan County | 20,645 | $1,524 | 1.334% |
| 33 | Henry County | 20,228 | $1,382 | 1.611% |
| 34 | Winneshiek County | 19,972 | $2,012 | 1.165% |
| 35 | Jackson County | 19,429 | $1,502 | 1.252% |
| 36 | Fayette County | 19,393 | $1,209 | 1.316% |
| 37 | Poweshiek County | 18,582 | $1,615 | 1.282% |
| 38 | Cedar County | 18,427 | $1,723 | 1.218% |
| 39 | Dickinson County | 17,844 | $2,068 | 0.977% |
| 40 | Delaware County | 17,549 | $1,504 | 1.343% |
| 41 | Clayton County | 17,069 | $1,409 | 1.380% |
| 42 | Tama County | 16,982 | $1,287 | 1.390% |
| 43 | Madison County | 16,760 | $2,073 | 1.554% |
| 44 | Hardin County | 16,729 | $1,082 | 1.427% |
| 45 | Iowa County | 16,547 | $1,668 | 1.349% |
| 46 | Clay County | 16,446 | $1,503 | 1.183% |
| 47 | Crawford County | 16,289 | $1,251 | 1.320% |
| 48 | Jefferson County | 15,676 | $1,466 | 1.487% |
| 49 | Floyd County | 15,502 | $1,236 | 1.391% |
| 50 | Page County | 15,168 | $1,137 | 1.434% |
| 51 | Hamilton County | 14,893 | $1,226 | 1.366% |
| 52 | Harrison County | 14,645 | $1,478 | 1.339% |
| 53 | Kossuth County | 14,610 | $1,213 | 1.064% |
| 54 | Mills County | 14,563 | $1,990 | 1.458% |
| 55 | Butler County | 14,301 | $1,415 | 1.379% |
| 56 | O'Brien County | 14,103 | $1,382 | 0.989% |
| 57 | Allamakee County | 14,038 | $1,512 | 1.223% |
| 58 | Cass County | 13,115 | $1,240 | 1.428% |
| 59 | Wright County | 12,817 | $1,068 | 1.544% |
| 60 | Grundy County | 12,352 | $1,554 | 1.069% |
| 61 | Appanoose County | 12,242 | $1,118 | 1.253% |
| 62 | Lyon County | 12,087 | $1,791 | 0.920% |
| 63 | Union County | 12,038 | $1,155 | 1.789% |
| 64 | Chickasaw County | 11,868 | $1,437 | 1.097% |
| 65 | Shelby County | 11,757 | $1,398 | 1.265% |
| 66 | Cherokee County | 11,587 | $1,290 | 1.076% |
| 67 | Hancock County | 10,718 | $1,184 | 1.192% |
| 68 | Louisa County | 10,710 | $1,256 | 1.273% |
| 69 | Winnebago County | 10,648 | $1,225 | 1.361% |
| 70 | Guthrie County | 10,646 | $1,465 | 1.325% |
| 71 | Mitchell County | 10,548 | $1,443 | 1.156% |
| 72 | Montgomery County | 10,254 | $1,091 | 1.791% |
| 73 | Franklin County | 9,977 | $1,117 | 1.348% |
| 74 | Keokuk County | 9,964 | $1,067 | 1.329% |
| 75 | Calhoun County | 9,858 | $1,082 | 1.316% |
| 76 | Sac County | 9,759 | $1,234 | 1.028% |
| 77 | Clarke County | 9,690 | $1,454 | 1.458% |
| 78 | Humboldt County | 9,573 | $1,329 | 1.286% |
| 79 | Howard County | 9,459 | $1,231 | 1.302% |
| 80 | Emmet County | 9,316 | $1,033 | 1.478% |
| 81 | Davis County | 9,127 | $1,350 | 1.518% |
| 82 | Palo Alto County | 8,902 | $1,112 | 1.233% |
| 83 | Greene County | 8,722 | $1,269 | 1.197% |
| 84 | Lucas County | 8,685 | $1,118 | 1.480% |
| 85 | Monona County | 8,619 | $1,129 | 1.152% |
| 86 | Decatur County | 7,669 | $1,079 | 1.695% |
| 87 | Monroe County | 7,546 | $1,271 | 1.519% |
| 88 | Adair County | 7,471 | $1,285 | 1.321% |
| 89 | Worth County | 7,380 | $1,269 | 1.075% |
| 90 | Van Buren County | 7,236 | $1,105 | 1.201% |
| 91 | Pocahontas County | 7,040 | $906 | 1.143% |
| 92 | Ida County | 6,944 | $1,016 | 1.064% |
| 93 | Fremont County | 6,570 | $1,335 | 1.300% |
| 94 | Wayne County | 6,518 | $992 | 1.346% |
| 95 | Osceola County | 6,114 | $1,128 | 1.052% |
| 96 | Taylor County | 5,901 | $1,037 | 1.211% |
| 97 | Audubon County | 5,622 | $1,043 | 1.226% |
| 98 | Ringgold County | 4,664 | $1,353 | 1.270% |
| 99 | Adams County | 3,641 | $1,097 | 1.265% |
Every figure is modelled on the county's own median home with 20% down at 7.03%. Property tax and electricity are county and state specific; homeowners insurance uses the NAIC average premium for that state, which ranges from 0.16% of home value in Hawaii to 1.16% in Oklahoma. Maintenance and water are national estimates. Full methodology.
Nationwide
Largest US Counties by Population across all 3,133 US counties · Every county in Iowa