Ranking of South Dakota Counties By Percentage of Population with Portuguese Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 690 people in South Dakota with Portuguese ancestry (0.08% of South Dakota population). Among all South Dakota counties, Spink County had the highest percentage of its population with Portuguese ancestry (0.69%), followed by Buffalo County (0.46%), and Deuel County (0.40%).
The chart and table below shows the top 10 counties with high percentage of its population having Portuguese ancestry.
You can see similar information for other states and for other ancestry groups in South Dakota.
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Related Topics: South Dakota ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census Bureau.
Ranking of South Dakota Counties By Percentage of Population with Portuguese Ancestry in 2021
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| Rank | County | Percentage of Pop. (%) |
|---|---|---|
| 1 | Spink County | 0.69 |
| 2 | Buffalo County | 0.46 |
| 3 | Deuel County | 0.40 |
| 4 | Moody County | 0.25 |
| 5 | Custer County | 0.24 |
| 6 | Beadle County | 0.21 |
| 7 | Clay County | 0.20 |
| 8 | Fall River County | 0.16 |
| 9 | Brown County | 0.14 |
| 10 | Bon Homme County | 0.13 |
| 11 | Pennington County | 0.11 |
| 12 | Lincoln County | 0.10 |
| 13 | Brookings County | 0.09 |
| 13 | Minnehaha County | 0.09 |
| 14 | Clark County | 0.08 |
| 15 | Meade County | 0.07 |
| 16 | Kingsbury County | 0.06 |
| 17 | Codington County | 0.05 |
| 17 | Gregory County | 0.05 |
| 18 | Charles Mix County | 0.04 |
| 19 | Hamlin County | 0.03 |
| 20 | Turner County | 0.02 |
| 20 | Union County | 0.02 |
| 21 | Lawrence County | 0.01 |
| 21 | Roberts County | 0.01 |