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RANKING · 2020 CENSUS · 66 SHOWN OF 66

Highest Irish population share, South Dakota counties · 2020

South Dakota counties ranked by the share of all residents who are Irish ancestry (2020 American Community Survey). A concentration measure: Irish residents as a percentage of total population. This list covers the 66 counties in South Dakota that qualify, ranked against each other statewide.

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RELATEDLargest American populationHighest American population shareLargest Arab populationHighest Arab population shareLargest Egyptian populationHighest Egyptian population share
YEAR201020202024
Highest Irish population share by state
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RANKPLACESTATEPOPIRISH SHAREVS 2010
01Fall River County, SDSD7,46716.9%+4.3 pts
02Butte County, SDSD10,85615.9%−0.7 pts
03Faulk County, SDSD2,17815.3%+5.7 pts
04Clay County, SDSD15,03115.0%−0.8 pts
05Tripp County, SDSD5,70814.9%+4.1 pts
06Lawrence County, SDSD29,45913.2%−0.5 pts
07Custer County, SDSD9,43113.1%−0.0 pts
08Pennington County, SDSD116,79212.8%−1.5 pts
09Spink County, SDSD6,15512.3%+2.3 pts
10Meade County, SDSD30,71112.0%−3.3 pts
11Perkins County, SDSD2,85312.0%+3.3 pts
12Hyde County, SDSD1,19111.9%−2.1 pts
13McCook County, SDSD5,96411.7%−1.1 pts
14Union County, SDSD17,40211.7%−6.0 pts
15Hughes County, SDSD17,57011.6%+1.8 pts
16Jerauld County, SDSD1,65411.1%+4.2 pts
17Minnehaha County, SDSD212,69111.0%−0.6 pts
18Sully County, SDSD1,47911.0%−3.7 pts
19Hand County, SDSD3,12110.9%−4.5 pts
20Kingsbury County, SDSD5,28410.5%+0.8 pts
21Lyman County, SDSD3,69410.3%+1.1 pts
22Lincoln County, SDSD77,14510.2%−1.4 pts
23Stanley County, SDSD3,0189.8%−2.7 pts
24Yankton County, SDSD23,6359.8%−1.2 pts
25Beadle County, SDSD19,6249.7%−0.6 pts
26Douglas County, SDSD2,8889.7%+4.2 pts
27McPherson County, SDSD2,3479.6%+5.2 pts
28Haakon County, SDSD1,8029.6%−9.8 pts
29Deuel County, SDSD4,4089.5%+1.5 pts
30Codington County, SDSD29,5629.1%−0.4 pts
31Bon Homme County, SDSD7,2449.1%+1.3 pts
32Lake County, SDSD10,9939.0%−3.4 pts
33Davison County, SDSD20,0699.0%−1.1 pts
34Turner County, SDSD9,3149.0%−0.5 pts
35Jones County, SDSD9138.9%−7.0 pts
36Clark County, SDSD4,0318.7%−1.0 pts
37Harding County, SDSD1,3318.7%−9.7 pts
38Brookings County, SDSD37,6358.6%−3.2 pts
39Grant County, SDSD7,5348.5%−0.4 pts
40Potter County, SDSD2,3778.1%−3.0 pts
41Marshall County, SDSD4,4267.9%+2.1 pts
42Brown County, SDSD37,5617.8%−2.1 pts
43Walworth County, SDSD5,2177.6%+2.2 pts
44Bennett County, SDSD3,3077.6%+5.5 pts
45Brule County, SDSD5,2787.5%−4.2 pts
46Edmunds County, SDSD4,0227.5%+3.9 pts
47Jackson County, SDSD2,6667.3%−5.0 pts
48Gregory County, SDSD4,0377.2%−4.2 pts
49Hanson County, SDSD3,4567.2%−3.6 pts
50Sanborn County, SDSD2,3887.2%−4.9 pts
51Hutchinson County, SDSD7,4136.7%−0.2 pts
52Moody County, SDSD6,6326.4%−2.5 pts
53Charles Mix County, SDSD9,3036.1%+1.0 pts
54Aurora County, SDSD2,8015.9%−2.7 pts
55Hamlin County, SDSD6,9005.7%−0.4 pts
56Day County, SDSD5,4845.6%−3.2 pts
57Miner County, SDSD2,2815.2%−7.2 pts
58Ziebach County, SDSD2,3895.1%−1.8 pts
59Campbell County, SDSD1,3774.1%−3.7 pts
60Roberts County, SDSD10,2553.4%−2.9 pts
61Corson County, SDSD3,7813.4%−0.7 pts
62Mellette County, SDSD2,1373.1%−5.3 pts
63Dewey County, SDSD5,4192.4%−4.1 pts
64Todd County, SDSD8,8631.2%−0.5 pts
65Oglala Lakota County, SDSD13,3380.9%–
66Buffalo County, SDSD1,8020.7%−0.4 pts
SHOWING 1–66 OF 66
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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS