Data / Rankings / Population speaking Spanish at home / Counties in Iowa

Counties in Iowa by population speaking Spanish at home

Crawford County had the highest population speaking Spanish at home of 99 counties in 2023, at 24%. Appanoose County had the lowest, at 0.4%. The median was 2.2% and the figure for Iowa was 4.6%. Source: the U.S. Census Bureau.

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Highest24Crawford County
Lowest0.4Appanoose County
Median2.299 counties
Iowa4.6History

Map of counties, 2023

Adair County: 1.4 %Adams County: 1.1 %Allamakee County: 7.7 %Appanoose County: 0.4 %Audubon County: 0.7 %Benton County: 1.4 %Black Hawk County: 3.5 %Boone County: 1.4 %Bremer County: 1.2 %Buchanan County: 1.1 %Buena Vista County: 23.9 %Butler County: 1.3 %Calhoun County: 1.3 %Carroll County: 1.5 %Cass County: 1.3 %Cedar County: 1.1 %Cerro Gordo County: 2.3 %Cherokee County: 4.8 %Chickasaw County: 2.7 %Clarke County: 10.7 %Clay County: 1.5 %Clayton County: 2.6 %Clinton County: 1.2 %Crawford County: 24 %Dallas County: 4.7 %Davis County: 2.2 %Decatur County: 1.2 %Delaware County: 1.3 %Des Moines County: 2.2 %Dickinson County: 1.1 %Dubuque County: 2.3 %Emmet County: 6.4 %Fayette County: 1.8 %Floyd County: 1.4 %Franklin County: 12.5 %Fremont County: 1.6 %Greene County: 2.2 %Grundy County: 0.9 %Guthrie County: 1.4 %Hamilton County: 8.5 %Hancock County: 3 %Hardin County: 3.4 %Harrison County: 0.8 %Henry County: 3.1 %Howard County: 2.3 %Humboldt County: 3.8 %Ida County: 2.7 %Iowa County: 0.8 %Jackson County: 1.3 %Jasper County: 2.5 %Jefferson County: 1.6 %Johnson County: 4.4 %Jones County: 1.9 %Keokuk County: 1 %Kossuth County: 3.2 %Lee County: 1.1 %Linn County: 2.3 %Louisa County: 12.9 %Lucas County: 1.3 %Lyon County: 1.9 %Madison County: 0.8 %Mahaska County: 1.2 %Marion County: 1.3 %Marshall County: 19 %Mills County: 1 %Mitchell County: 1.7 %Monona County: 1.8 %Monroe County: 0.6 %Montgomery County: 1.1 %Muscatine County: 12.7 %O'Brien County: 5.5 %Osceola County: 9.3 %Page County: 1.1 %Palo Alto County: 1.8 %Plymouth County: 4.5 %Pocahontas County: 3.1 %Polk County: 6.9 %Pottawattamie County: 5.1 %Poweshiek County: 2.2 %Ringgold County: 1.6 %Sac County: 2.9 %Scott County: 2.9 %Shelby County: 1.8 %Sioux County: 9.2 %Story County: 2.3 %Tama County: 7.1 %Taylor County: 5.5 %Union County: 1.3 %Van Buren County: 0.7 %Wapello County: 8.7 %Warren County: 1.8 %Washington County: 4.3 %Wayne County: 0.8 %Webster County: 3.1 %Winnebago County: 2.5 %Winneshiek County: 2.4 %Woodbury County: 13.5 %Worth County: 0.5 %Wright County: 13.6 %
  • Under 1.1
  • 1.1 to 1.4
  • 1.4 to 2.1
  • 2.1 to 2.9
  • 2.9 to 6.1
  • 6.1 and over
%, 2023. Source: Invokely calculation with data from U.S. Census Bureau. Boundaries: U.S. Census Bureau cartographic boundary files.

Top 40 counties, 2023

Crawford County: 24 %Crawford County24Buena Vista County: 23.9 %Buena Vista County23.9Marshall County: 19 %Marshall County19Wright County: 13.6 %Wright County13.6Woodbury County: 13.5 %Woodbury County13.5Louisa County: 12.9 %Louisa County12.9Muscatine County: 12.7 %Muscatine County12.7Franklin County: 12.5 %Franklin County12.5Clarke County: 10.7 %Clarke County10.7Osceola County: 9.3 %Osceola County9.3Sioux County: 9.2 %Sioux County9.2Wapello County: 8.7 %Wapello County8.7Hamilton County: 8.5 %Hamilton County8.5Allamakee County: 7.7 %Allamakee County7.7Tama County: 7.1 %Tama County7.1Polk County: 6.9 %Polk County6.9Emmet County: 6.4 %Emmet County6.4Taylor County: 5.5 %Taylor County5.5O'Brien County: 5.5 %O'Brien County5.5Pottawattamie County: 5.1 %Pottawattamie County5.1Cherokee County: 4.8 %Cherokee County4.8Dallas County: 4.7 %Dallas County4.7Plymouth County: 4.5 %Plymouth County4.5Johnson County: 4.4 %Johnson County4.4Washington County: 4.3 %Washington County4.3Humboldt County: 3.8 %Humboldt County3.8Black Hawk County: 3.5 %Black Hawk County3.5Hardin County: 3.4 %Hardin County3.4Kossuth County: 3.2 %Kossuth County3.2Webster County: 3.1 %Webster County3.1Henry County: 3.1 %Henry County3.1Pocahontas County: 3.1 %Pocahontas County3.1Hancock County: 3 %Hancock County3Sac County: 2.9 %Sac County2.9Scott County: 2.9 %Scott County2.9Ida County: 2.7 %Ida County2.7Chickasaw County: 2.7 %Chickasaw County2.7Clayton County: 2.6 %Clayton County2.6Winnebago County: 2.5 %Winnebago County2.5Jasper County: 2.5 %Jasper County2.5Crawford County: 24 %Crawford County24Buena Vista County: 23.9 %Buena Vista County23.9Marshall County: 19 %Marshall County19Wright County: 13.6 %Wright County13.6Woodbury County: 13.5 %Woodbury County13.5Louisa County: 12.9 %Louisa County12.9Muscatine County: 12.7 %Muscatine County12.7Franklin County: 12.5 %Franklin County12.5Clarke County: 10.7 %Clarke County10.7Osceola County: 9.3 %Osceola County9.3Sioux County: 9.2 %Sioux County9.2Wapello County: 8.7 %Wapello County8.7Hamilton County: 8.5 %Hamilton County8.5Allamakee County: 7.7 %Allamakee County7.7Tama County: 7.1 %Tama County7.1Polk County: 6.9 %Polk County6.9Emmet County: 6.4 %Emmet County6.4Taylor County: 5.5 %Taylor County5.5O'Brien County: 5.5 %O'Brien County5.5Pottawattamie County: 5.1 %Pottawattamie County5.1Cherokee County: 4.8 %Cherokee County4.8Dallas County: 4.7 %Dallas County4.7Plymouth County: 4.5 %Plymouth County4.5Johnson County: 4.4 %Johnson County4.4Washington County: 4.3 %Washington County4.3Humboldt County: 3.8 %Humboldt County3.8Black Hawk County: 3.5 %Black Hawk County3.5Hardin County: 3.4 %Hardin County3.4Kossuth County: 3.2 %Kossuth County3.2Webster County: 3.1 %Webster County3.1Henry County: 3.1 %Henry County3.1Pocahontas County: 3.1 %Pocahontas County3.1Hancock County: 3 %Hancock County3Sac County: 2.9 %Sac County2.9Scott County: 2.9 %Scott County2.9Ida County: 2.7 %Ida County2.7Chickasaw County: 2.7 %Chickasaw County2.7Clayton County: 2.6 %Clayton County2.6Winnebago County: 2.5 %Winnebago County2.5Jasper County: 2.5 %Jasper County2.5
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-12.

Full ranking

RankCounties2023 (%)Change on 2022
1Crawford County24-0.2 pts
2Buena Vista County23.9+1.4 pts
3Marshall County19-0.2 pts
4Wright County13.6+3.1 pts
5Woodbury County13.50 pts
6Louisa County12.9-0.8 pts
7Muscatine County12.7-0.5 pts
8Franklin County12.5+2.1 pts
9Clarke County10.7+1.2 pts
10Osceola County9.3+0.3 pts
11Sioux County9.2+1.1 pts
12Wapello County8.7+1 pts
13Hamilton County8.5+2.2 pts
14Allamakee County7.7+1.4 pts
15Tama County7.1-0.7 pts
16Polk County6.9+0.8 pts
17Emmet County6.4+0.4 pts
18Taylor County5.5-1.8 pts
19O'Brien County5.5+1.9 pts
20Pottawattamie County5.1-0.2 pts
21Cherokee County4.8+0.9 pts
22Dallas County4.7+0.1 pts
23Plymouth County4.5-0.2 pts
24Johnson County4.4+0.2 pts
25Washington County4.3-0.4 pts
26Humboldt County3.8-0.2 pts
27Black Hawk County3.5+0.2 pts
28Hardin County3.4+0.5 pts
29Kossuth County3.2+0.3 pts
30Webster County3.1+0.6 pts
31Henry County3.1-0.1 pts
31Pocahontas County3.1-0.3 pts
33Hancock County3+0.7 pts
34Sac County2.9+0.3 pts
35Scott County2.9-0 pts
36Ida County2.7+0.3 pts
37Chickasaw County2.7+0.4 pts
38Clayton County2.6-0.1 pts
39Winnebago County2.5-0.4 pts
40Jasper County2.5+0.6 pts
41Winneshiek County2.4+0.6 pts
42Linn County2.3+0.4 pts
43Dubuque County2.3+0.1 pts
43Story County2.3+0.2 pts
45Cerro Gordo County2.3-0.1 pts
45Howard County2.3+0.9 pts
47Des Moines County2.2+0.8 pts
47Poweshiek County2.2-0 pts
49Davis County2.2+0.2 pts
50Greene County2.2+0.1 pts
51Lyon County1.9+0.2 pts
52Jones County1.9+0.7 pts
53Warren County1.8+0.2 pts
54Shelby County1.8-0.4 pts
55Palo Alto County1.8+0.3 pts
56Fayette County1.8+0.2 pts
57Monona County1.8+0.3 pts
58Mitchell County1.7-0.1 pts
59Ringgold County1.6-0.6 pts
60Fremont County1.6+0.6 pts
61Jefferson County1.6-0 pts
62Carroll County1.5+0.2 pts
63Clay County1.5+0.2 pts
64Benton County1.40 pts
65Boone County1.4-0.1 pts
65Floyd County1.4-0.5 pts
67Guthrie County1.4-0.2 pts
68Adair County1.4-0.1 pts
69Jackson County1.3-0.1 pts
70Lucas County1.3-0.3 pts
71Butler County1.3+0.1 pts
71Delaware County1.3+0.1 pts
71Marion County1.3-0.2 pts
74Calhoun County1.3+0.5 pts
75Cass County1.3+0.2 pts
75Union County1.3+0.4 pts
77Bremer County1.2+0.3 pts
78Decatur County1.2-0.1 pts
79Clinton County1.20 pts
80Mahaska County1.2-0 pts
81Buchanan County1.1-0.5 pts
81Page County1.1-0 pts
83Lee County1.1-0.2 pts
84Dickinson County1.1-0.5 pts
84Montgomery County1.1-0.2 pts
86Cedar County1.1-0.1 pts
87Adams County1.1-1 pts
88Mills County10 pts
89Keokuk County1-0.2 pts
90Grundy County0.9-0.6 pts
91Wayne County0.8-0.3 pts
92Harrison County0.8-0.3 pts
93Madison County0.8+0.1 pts
94Iowa County0.8-0.5 pts
95Audubon County0.7-0.3 pts
96Van Buren County0.70 pts
97Monroe County0.6-0 pts
98Worth County0.5+0.1 pts
99Appanoose County0.4-0.1 pts

Other periods

About this ranking

People aged 5 and over who speak Spanish at home, as a percentage of all people aged 5 and over. United States: American Community Survey five-year estimate, where the period shown is the last year of the five-year span.

Measures the language used at home, not English ability or Hispanic origin. Hispanic origin is hispanic_share.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

U.S. Census Bureau. American Community Survey 5-year estimates, table C16001: people aged 5 and over who speak Spanish at home, as a percentage of the population aged 5 and over, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-c16001.dat. Retrieved 2026-10-12.

Citation styles

The publisher is the author. Invokely is named only as the place the figures were read, where a style asks for it.

APA 7

U.S. Census Bureau. (2026). American Community Survey 5-year estimates, table C16001: people aged 5 and over who speak Spanish at home, as a percentage of the population aged 5 and over, calculated with stored inputs (Counties in Iowa by population speaking Spanish at home, 2023) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-c16001.dat

MLA 9

American Community Survey 5-year estimates, table C16001: people aged 5 and over who speak Spanish at home, as a percentage of the population aged 5 and over, calculated with stored inputs, Counties in Iowa by population speaking Spanish at home, 2023. U.S. Census Bureau, 29 Jan. 2026, https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-c16001.dat. Invokely, https://invokely.ai/rankings/spanish-spoken-at-home/iowa-counties?period=2023. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. American Community Survey 5-year estimates, table C16001: people aged 5 and over who speak Spanish at home, as a percentage of the population aged 5 and over, calculated with stored inputs. Counties in Iowa by population speaking Spanish at home, 2023. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-c16001.dat. Also distributed by Invokely, https://invokely.ai/rankings/spanish-spoken-at-home/iowa-counties?period=2023.

Harvard

U.S. Census Bureau (2026) American Community Survey 5-year estimates, table C16001: people aged 5 and over who speak Spanish at home, as a percentage of the population aged 5 and over, calculated with stored inputs, Counties in Iowa by population speaking Spanish at home, 2023 [Dataset]. Available at: https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-c16001.dat, via Invokely: https://invokely.ai/rankings/spanish-spoken-at-home/iowa-counties?period=2023 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_iowa_by_2023,
  author = {{U.S. Census Bureau}},
  title = {{American Community Survey 5-year estimates, table C16001: people aged 5 and over who speak Spanish at home, as a percentage of the population aged 5 and over, calculated with stored inputs: Counties in Iowa by population speaking Spanish at home, 2023}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-c16001.dat},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/spanish-spoken-at-home/iowa-counties?period=2023. Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table C16001: people aged 5 and over who speak Spanish at home, as a percentage of the population aged 5 and over, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary\_file/2023/table-based-SF/data/5YRData/acsdt5y2023-c16001.dat. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - American Community Survey 5-year estimates, table C16001: people aged 5 and over who speak Spanish at home, as a percentage of the population aged 5 and over, calculated with stored inputs: Counties in Iowa by population speaking Spanish at home, 2023
PY  - 2026
DA  - 2026/01/29
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-c16001.dat
L2  - https://invokely.ai/rankings/spanish-spoken-at-home/iowa-counties?period=2023
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/spanish-spoken-at-home/iowa-counties?period=2023.
N1  - Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table C16001: people aged 5 and over who speak Spanish at home, as a percentage of the population aged 5 and over, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-c16001.dat. Retrieved 2026-10-12.
ER  -
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Questions

Which county has the highest population speaking Spanish at home?

Crawford County, with 24% in 2023, according to the U.S. Census Bureau.

Which county has the lowest population speaking Spanish at home?

Appanoose County, with 0.4% in 2023.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, American Community Survey 5-year estimates, table C16001: people aged 5 and over who speak Spanish at home, as a percentage of the population aged 5 and over, calculated with stored inputs. Retrieved 2026-10-12.

Population speaking Spanish at home: other rankings

Counties in Iowa: more rankings