Herbert Hoover carried South Dakota R+21.0.

Al Smith (D) vs Herbert Hoover (R) in South Dakota, 1928. The state ran 3.5 points more Republican than the nation (R+17.5 nationally).

Nominees: Al Smith (D) · Herbert Hoover (R)

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South Dakota result

261,857 votes counted

Smith (D)

102,660

39.2%

Hoover (R)

157,603

60.2%

All others

1,594

0.6%

Margin

R+21.0

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1928 presidential election

South Dakota, 1928

HooverR+21.0

How it voted

Share of the 1928 vote

Herbert Hoover ✓Republican	60.2%	157,603
Al SmithDemocratic	39.2%	102,660
OtherAll other candidates	0.6%	1,594

D+60

R+60

66 counties, each filled by 1928 D-vs-R margin. Hover any county for its result.

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South Dakota's presidential margins

1892–2024, the 1928 contest in context

South Dakota's presidential margins

Year	Margin (D minus R)
1892	−36.5%
1896	+0.2%
1900	−15.6%
1904	−49.4%
1908	−23.8%
1912	+42.1%
1916	+3.9%
1920	−41.0%
1924	−36.3%
1928	−21.0%
1932	+29.2%
1936	+11.5%
1940	−14.8%
1944	−16.7%
1948	−4.8%
1952	−38.5%
1956	−16.8%
1960	−16.4%
1964	+11.2%
1968	−11.3%
1972	−8.6%
1976	−1.5%
1980	−28.8%
1984	−26.5%
1988	−6.3%
1992	−3.5%
1996	−3.5%
2000	+22.7%
2004	−21.3%
2008	−8.4%
2012	−18.0%
2016	−29.8%
2020	−26.2%
2024	−29.2%

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County results — 1928

66 counties; every row links to the county's full page.

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County	Won	Margin	Democratic	Republican	Total
Aurora County	R	−4.2%	1,426	1,552	3,001
Beadle County	R	−23.2%	3,168	5,094	8,293
Bennett County	R	−16.9%	544	766	1,317
Bon Homme County	R	−2.2%	2,166	2,262	4,441
Brookings County	R	−40.8%	1,915	4,586	6,547
Brown County	R	−17.6%	5,065	7,266	12,522
Brule County	D	+5.5%	1,599	1,431	3,080
Buffalo County	R	−2.3%	387	405	794
Butte County	R	−40.1%	840	1,988	2,866
Campbell County	R	−38.9%	588	1,346	1,947
Charles Mix County	R	−0.8%	3,039	3,087	6,140
Clark County	R	−31.8%	1,370	2,665	4,071
Clay County	R	−27.1%	1,474	2,573	4,057
Codington County	R	−6.5%	3,299	3,762	7,087
Corson County	R	−14.6%	1,374	1,847	3,245
Custer County	R	−34.2%	715	1,464	2,190
Davison County	R	−16.6%	2,729	3,821	6,571
Day County	R	−9.2%	2,642	3,180	5,865
Deuel County	R	−30.0%	999	1,869	2,902
Dewey County	R	−12.6%	1,003	1,293	2,300
Douglas County	R	−37.7%	879	1,949	2,838
Edmunds County	R	−4.4%	1,597	1,743	3,355
Fall River County	R	−27.5%	1,258	2,216	3,489
Faulk County	R	−25.3%	1,135	1,907	3,053
Grant County	R	−20.2%	1,656	2,508	4,216
Gregory County	R	−6.4%	2,001	2,274	4,287
Haakon County	R	−30.3%	663	1,255	1,951
Hamlin County	R	−28.1%	1,088	1,959	3,100
Hand County	R	−26.9%	1,397	2,430	3,841
Hanson County	R	−16.5%	1,129	1,576	2,711
Harding County	R	−46.8%	368	1,032	1,418
Hughes County	R	−23.9%	1,171	1,912	3,106
Hutchinson County	R	−6.1%	1,898	2,145	4,077
Hyde County	R	−22.3%	608	961	1,580
Jackson County	R	−17.5%	699	998	1,704
Jerauld County	R	−26.5%	875	1,517	2,420
Jones County	R	−33.7%	422	857	1,290
Kingsbury County	R	−44.1%	1,352	3,499	4,868
Lake County	R	−27.1%	1,744	3,048	4,807
Lawrence County	R	−39.6%	1,785	4,141	5,947
Lincoln County	R	−43.3%	1,364	3,463	4,850
Lyman County	R	−9.8%	1,222	1,488	2,718
Marshall County	R	−16.7%	1,315	1,858	3,252
McCook County	R	−11.9%	1,758	2,234	4,005
McPherson County	D	+8.6%	1,468	1,234	2,711
Meade County	R	−32.6%	1,441	2,845	4,308
Mellette County	R	−0.9%	927	943	1,881
Miner County	R	−19.4%	1,341	1,990	3,352
Minnehaha County	R	−33.7%	6,805	13,741	20,608
Moody County	R	−19.6%	1,416	2,108	3,535
Oglala Lakota County	D	+10.3%	829	674	1,508
Pennington County	R	−34.3%	2,266	4,645	6,936
Perkins County	R	−38.0%	1,010	2,262	3,299
Potter County	R	−6.0%	1,100	1,240	2,350
Roberts County	R	−6.2%	2,619	2,966	5,625
Sanborn County	R	−8.8%	1,321	1,576	2,914
Spink County	R	−22.3%	2,451	3,868	6,352
Stanley County	R	−25.5%	437	739	1,184
Sully County	R	−41.2%	415	999	1,417
Todd County	D	+2.6%	831	789	1,629
Tripp County	R	−6.6%	2,099	2,396	4,519
Turner County	R	−41.6%	1,380	3,362	4,759
Union County	R	−6.8%	2,106	2,415	4,540
Walworth County	R	−20.6%	1,216	1,854	3,092
Yankton County	R	−2.2%	2,841	2,971	5,839
Ziebach County	R	−10.4%	615	759	1,380