Jan 1990    
 
 
    Apr 2023
Persons
Name Apr 2023 Mar 2023 Apr 2022
Adair County
4,405 4,457 4,284
Adams County
2,165 2,153 2,127
Allamakee County
7,121 7,280 7,171
Appanoose County
6,272 6,254 6,108
Audubon County
3,101 3,178 3,072
Benton County
13,276 13,361 13,079
Black Hawk County
69,118 68,548 67,859
Boone County
15,074 15,060 14,879
Bremer County
14,272 14,233 14,025
Buchanan County
11,592 11,549 11,444
Buena Vista County
12,074 12,211 11,706
Butler County
8,450 8,520 8,074
Calhoun County
4,263 4,276 4,214
Carroll County
10,975 11,014 10,771
Cass County
7,061 7,002 6,858
Cedar County
10,596 10,641 10,569
Cerro Gordo County
22,261 22,238 22,174
Cherokee County
6,208 6,270 6,100
Chickasaw County
6,695 6,759 6,593
Clarke County
4,999 5,066 4,984
Clay County
8,590 8,692 8,508
Clayton County
9,571 9,706 9,597
Clinton County
22,529 22,428 22,055
Crawford County
7,995 8,088 7,872
Dallas County
55,029 54,693 53,710
Davis County
4,386 4,411 4,280
Decatur County
4,461 4,505 4,383
Delaware County
10,655 10,761 10,613
Des Moines County
18,274 18,182 18,157
Dickinson County
10,356 10,218 10,414
Dubuque County
56,521 56,403 56,396
Emmet County
4,893 4,961 4,946
Fayette County
10,613 10,747 10,370
Floyd County
8,417 8,525 8,285
Franklin County
5,744 5,802 5,630
Fremont County
3,717 3,745 3,756
Greene County
5,492 5,524 5,361
Grundy County
6,550 6,621 6,418
Guthrie County
5,800 5,866 5,631
Hamilton County
7,089 7,084 6,925
Hancock County
5,703 5,789 5,726
Hardin County
7,912 7,953 7,925
Harrison County
7,243 7,313 7,108
Henry County
9,504 9,540 9,611
Howard County
5,317 5,401 5,246
Humboldt County
4,924 4,977 4,937
Ida County
4,030 4,073 3,974
Iowa County
9,977 10,085 9,807
Jackson County
10,805 10,853 10,723
Jasper County
18,875 18,797 18,646
Jefferson County
10,366 10,244 10,219
Johnson County
88,021 87,777 86,251
Jones County
10,595 10,778 10,416
Keokuk County
5,326 5,363 5,193
Kossuth County
8,333 8,422 8,311
Lee County
14,728 14,723 15,071
Linn County
122,595 122,196 120,671
Louisa County
5,959 6,006 5,877
Lucas County
4,634 4,662 4,679
Lyon County
7,158 7,206 6,993
Madison County
8,953 9,047 8,728
Mahaska County
12,443 12,453 12,287
Marion County
19,543 19,436 18,963
Marshall County
17,566 17,996 17,329
Mills County
7,208 7,239 7,083
Mitchell County
5,891 5,841 5,945
Monona County
4,459 4,502 4,446
Monroe County
4,070 4,082 4,013
Montgomery County
5,061 5,079 4,988
Muscatine County
20,881 20,899 21,290
O'Brien County
8,390 8,421 8,157
Osceola County
3,713 3,750 3,545
Page County
6,519 6,558 6,543
Palo Alto County
4,480 4,523 4,576
Plymouth County
15,238 15,202 14,803
Pocahontas County
4,152 4,198 4,254
Polk County
281,214 279,455 274,773
Pottawattamie County
48,272 48,265 47,435
Poweshiek County
10,705 10,658 10,541
Ringgold County
2,374 2,401 2,375
Sac County
5,388 5,445 5,338
Scott County
88,822 88,354 87,794
Shelby County
6,511 6,522 6,445
Sioux County
23,141 23,412 22,893
Story County
61,462 61,231 60,167
Tama County
9,370 9,475 9,159
Taylor County
3,248 3,248 3,148
Union County
6,233 6,291 6,124
Van Buren County
3,769 3,807 3,721
Wapello County
16,757 16,824 16,809
Warren County
29,925 29,764 29,189
Washington County
11,987 12,116 11,722
Wayne County
3,035 3,125 2,877
Webster County
19,141 19,068 18,793
Winneshiek County
11,658 11,646 11,681
Winnebago County
5,058 5,156 4,960
Woodbury County
57,289 56,800 55,796
Worth County
4,039 4,074 3,987
Wright County
6,839 6,807 6,638
   

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