Ranking of South Dakota Cities and Places By Percentage of Population with Scotch Irish Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 5.39K people in South Dakota with Scotch Irish ancestry (0.61% of South Dakota population). Among all South Dakota cities and places with a population of at least 10K, Spearfish city had the highest percentage of its population with Scotch Irish ancestry (2.54%), followed by Rapid City city (1.12%), and Vermillion city (0.96%).

The chart and table below shows the top 10 cities with high percentage of its population having Scotch Irish ancestry.

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

Data Source: US Census Bureau.
Ranking of South Dakota Cities and Places By Percentage of Population with Scotch Irish Ancestry in 2021
Spearfish city
Rapid City city
Vermillion city
Brookings city
Watertown city
Mitchell city
Sioux Falls city
Pierre city
Huron city
Box Elder city
Ranking of South Dakota Cities and Places By Percentage of Population with Scotch Irish Ancestry in 2021
0 of 0
Rank Ciy or Place Percentage of Pop. (%)
1 Spearfish city 2.54
2 Rapid City city 1.12
3 Vermillion city 0.96
4 Brookings city 0.82
5 Watertown city 0.77
6 Mitchell city 0.72
7 Sioux Falls city 0.60
8 Pierre city 0.36
9 Huron city 0.28
10 Box Elder city 0.24
11 Aberdeen city 0.15
12 Yankton city 0.10