Ranking of Iowa Counties By Population with South African Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 354 people in Iowa with South African ancestry. Among all Iowa counties, Polk County had the highest population with South African ancestry (49), followed by Pottawattamie County (32), and Black Hawk County (31).

The chart and table below shows the top 10 counties with high number of people with South African 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 South African Ancestry in 2021
Polk County
Pottawattamie County
Black Hawk County
Howard County
Jefferson County
Linn County
Monona County
Washington County
Monroe County
Johnson County
Ranking of Iowa Counties By Population with South African Ancestry in 2021
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Rank County Population
1 Polk County 49
2 Pottawattamie County 32
3 Black Hawk County 31
4 Howard County 23
4 Jefferson County 23
5 Linn County 22
5 Monona County 22
5 Washington County 22
6 Monroe County 20
7 Johnson County 17
7 Plymouth County 17
7 Story County 17
8 O'Brien County 12
8 Winneshiek County 12
9 Marshall County 10
10 Dubuque County 7
11 Clayton County 6
11 Crawford County 6
11 Osceola County 6