Ranking of Iowa Counties By Population with Jamaican Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 1.33K people in Iowa with Jamaican ancestry. Among all Iowa counties, Polk County had the highest population with Jamaican ancestry (426), followed by Linn County (207), and Johnson County (128).

The chart and table below shows the top 10 counties with high number of people with Jamaican ancestry.

You can see similar information for other states and for other ancestry groups in Iowa.

Data Source: US Census Bureau.
Ranking of Iowa Counties By Population with Jamaican Ancestry in 2021
Polk County
Linn County
Johnson County
Shelby County
Mahaska County
Black Hawk County
Woodbury County
Boone County
Palo Alto County
Scott County
Ranking of Iowa Counties By Population with Jamaican Ancestry in 2021
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Rank County Population
1 Polk County 426
2 Linn County 207
3 Johnson County 128
4 Shelby County 120
5 Mahaska County 82
6 Black Hawk County 70
7 Woodbury County 38
8 Boone County 31
9 Palo Alto County 26
10 Scott County 23
10 Webster County 23
11 Cedar County 22
11 Decatur County 22
12 Jasper County 20
13 Union County 16
14 Story County 14
15 Dubuque County 11
16 Montgomery County 10
17 Sac County 8
18 Crawford County 7
19 Jackson County 6
20 Henry County 5
20 Wapello County 5
21 Fayette County 3
21 Sioux County 3
22 Dallas County 2
22 Mills County 2