Ranking of Iowa Counties By Percentage of 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 (0.04% of Iowa population). Among all Iowa counties, Shelby County had the highest percentage of its population with Jamaican ancestry (1.02%), followed by Mahaska County (0.37%), and Palo Alto County (0.29%).

The chart and table below shows the top 10 counties with high percentage of its population having 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 Percentage of Population with Jamaican Ancestry in 2021
Shelby County
Mahaska County
Palo Alto County
Decatur County
Union County
Boone County
Cedar County
Montgomery County
Linn County
Polk County
Ranking of Iowa Counties By Percentage of Population with Jamaican Ancestry in 2021
0 of 0
Rank County Percentage of Pop. (%)
1 Shelby County 1.02
2 Mahaska County 0.37
3 Palo Alto County 0.29
4 Decatur County 0.28
5 Union County 0.13
6 Boone County 0.12
6 Cedar County 0.12
7 Montgomery County 0.10
8 Linn County 0.09
8 Polk County 0.09
9 Johnson County 0.08
9 Sac County 0.08
10 Webster County 0.06
11 Black Hawk County 0.05
11 Jasper County 0.05
12 Crawford County 0.04
12 Woodbury County 0.04
13 Jackson County 0.03
14 Fayette County 0.02
14 Henry County 0.02
15 Dubuque County 0.01
15 Mills County 0.01
15 Scott County 0.01
15 Sioux County 0.01
15 Story County 0.01
15 Wapello County 0.01
16 Dallas County 0.002