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RANKING · 2024 ACS · 84 SHOWN OF 84

Largest Puerto Rican population, Iowa counties

Iowa counties ranked by the number of residents who are Puerto Rican origin, from the 2024 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 84 counties in Iowa that qualify, ranked against each other statewide. The median across all 84 is 32. Biggest climber in the top 100 since 2020: Marion County, IA, up 48 places to #21.

Puerto Rican Americans: full group profile →
SAME RANKING BYCitiesStatesMetros
Largest Puerto Rican population by state
RANKPLACESTATEPOPPUERTO RICAN POPULATIONVS 2010
01Polk County, IAIA516,5463,190+590%
02Johnson County, IAIA160,044795+39%
03▲6Linn County, IAIA232,028789+144%
04▲2Scott County, IAIA175,259504+114%
05Black Hawk County, IAIA131,532478+125%
06▲12Dubuque County, IAIA99,381417+164%
07▲3Story County, IAIA101,291396+48%
08Woodbury County, IAIA106,649366+36%
09▲6Clinton County, IAIA46,002258+1885%
10▼6Muscatine County, IAIA41,853234−10%
11▲27Warren County, IAIA57,331219+1053%
12▲4O'Brien County, IAIA14,220208–
13▲12Jasper County, IAIA38,153187+593%
14▼1Pottawattamie County, IAIA92,996173+193%
15▼1Cerro Gordo County, IAIA42,372166−33%
16▼13Des Moines County, IAIA38,077164+257%
17▼6Marshall County, IAIA39,890164+66%
18▼11Dallas County, IAIA118,457142–
19▲3Henry County, IAIA19,349129+706%
20▼1Webster County, IAIA36,838123+156%
21▲48Marion County, IAIA34,192108−48%
22▲14Sioux County, IAIA36,77493–
23▲6Bremer County, IAIA25,29690+718%
24Hamilton County, IAIA14,94489–
25▼5Wapello County, IAIA35,21089+256%
26▲7Allamakee County, IAIA14,23885+305%
27▲4Mitchell County, IAIA10,65084–
28▼16Jefferson County, IAIA15,29176–
29▲21Tama County, IAIA16,79676+375%
30▲12Mahaska County, IAIA21,88074+429%
31▲39Washington County, IAIA22,66774+311%
32Mills County, IAIA14,79371+545%
33▼7Hardin County, IAIA16,45569+44%
34▲27Shelby County, IAIA11,68969–
35▼18Winnebago County, IAIA10,25156–
36▲35Plymouth County, IAIA25,69752+86%
37Pocahontas County, IAIA6,81952–
38▼17Fayette County, IAIA19,04739–
39Harrison County, IAIA14,62339–
40▲35Jones County, IAIA21,25338+111%
41▼13Poweshiek County, IAIA18,36837–
42▲30Benton County, IAIA26,00432+3100%
43▼11Carroll County, IAIA20,30331+417%
44▼10Floyd County, IAIA14,90129–
45Ringgold County, IAIA4,64229–
46▲32Sac County, IAIA9,52529–
47Appanoose County, IAIA12,07726–
48▼2Dickinson County, IAIA18,07726+24%
49▲8Madison County, IAIA17,27025–
50▼27Wright County, IAIA12,80124−20%
51▲7Buena Vista County, IAIA20,44921−81%
52▲2Iowa County, IAIA16,50421+40%
53▲15Worth County, IAIA7,33821+600%
54Franklin County, IAIA9,86820−46%
55▼2Grundy County, IAIA12,36120−60%
56▼32Greene County, IAIA8,65819–
57▼20Boone County, IAIA26,79919–
58▼19Emmet County, IAIA9,10719–
59▼15Hancock County, IAIA10,52819–
60▼9Decatur County, IAIA7,65516+700%
61▲1Lee County, IAIA32,30613−57%
62▼3Louisa County, IAIA10,41613−48%
63▼11Chickasaw County, IAIA11,663120%
64▲2Clayton County, IAIA16,84512−65%
65▼18Clay County, IAIA16,20211−65%
66Delaware County, IAIA17,67411–
67Lyon County, IAIA12,3548–
68Monona County, IAIA8,5398+300%
69▼4Buchanan County, IAIA20,8837−67%
70▲7Guthrie County, IAIA10,7827–
71Page County, IAIA14,8567−63%
72▼24Fremont County, IAIA6,5226+20%
73▲3Cherokee County, IAIA11,3695–
74▼18Keokuk County, IAIA9,7975–
75Calhoun County, IAIA9,5624−88%
76▼13Ida County, IAIA6,7773−80%
77▼32Jackson County, IAIA19,2883−93%
78Osceola County, IAIA5,9803–
79Palo Alto County, IAIA8,8993−67%
80Cass County, IAIA12,9602–
81▼8Cedar County, IAIA18,3592−67%
82▼55Kossuth County, IAIA14,3222−50%
83▼53Union County, IAIA11,8291−94%
84▼49Adair County, IAIA7,4031–
SHOWING 1–84 OF 84

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES