1948 Presidential Election Results for South Dakota

Click on a county in the table or the map to see demographic data for that county.

County	Turnout	Harry Truman* (D)		Thomas Dewey (R)		Strom Thurmond (States Rights)		Henry Wallace (Progressive)		Other		TOTAL
Armstrong	n/a	6	85.7%	1	14.3%	0	0.0%	0	0.0%	0	0.0%	7
Aurora	79%	1,275	54.3%	1,056	45.0%	0	0.0%	16	0.7%	0	0.0%	2,347
Beadle	63%	4,372	53.9%	3,662	45.1%	0	0.0%	77	0.9%	0	0.0%	8,111
Bennett	66%	758	60.5%	477	38.1%	0	0.0%	17	1.4%	0	0.0%	1,252
Bon Homme	73%	2,077	47.1%	2,283	51.8%	0	0.0%	48	1.1%	0	0.0%	4,408
Brookings	60%	2,907	42.0%	3,975	57.4%	0	0.0%	44	0.6%	0	0.0%	6,926
Brown	66%	7,148	55.1%	5,632	43.4%	0	0.0%	192	1.5%	0	0.0%	12,972
Brule	77%	1,646	60.0%	1,056	38.5%	0	0.0%	42	1.5%	0	0.0%	2,744
Buffalo	84%	334	51.2%	313	48.0%	0	0.0%	5	0.8%	0	0.0%	652
Butte	59%	1,065	37.5%	1,726	60.7%	0	0.0%	51	1.8%	0	0.0%	2,842
Campbell	74%	410	21.1%	1,518	78.0%	0	0.0%	17	0.9%	0	0.0%	1,945
Charles Mix	57%	3,086	62.5%	1,800	36.5%	0	0.0%	49	1.0%	0	0.0%	4,935
Clark	61%	1,559	48.5%	1,625	50.6%	0	0.0%	28	0.9%	0	0.0%	3,212
Clay	60%	2,080	47.7%	2,228	51.1%	0	0.0%	53	1.2%	0	0.0%	4,361
Codington	67%	4,042	54.3%	3,349	45.0%	0	0.0%	50	0.7%	0	0.0%	7,441
Corson	72%	1,154	49.6%	1,154	49.6%	0	0.0%	17	0.7%	0	0.0%	2,325
Custer	64%	917	42.7%	1,217	56.7%	0	0.0%	14	0.7%	0	0.0%	2,148
Davison	71%	4,064	57.0%	2,996	42.0%	0	0.0%	68	1.0%	0	0.0%	7,128
Day	74%	3,146	55.4%	2,438	42.9%	0	0.0%	97	1.7%	0	0.0%	5,681
Deuel	57%	1,324	48.7%	1,357	49.9%	0	0.0%	38	1.4%	0	0.0%	2,719
Dewey	62%	727	45.3%	864	53.8%	0	0.0%	15	0.9%	0	0.0%	1,606
Douglas	60%	736	36.0%	1,301	63.7%	0	0.0%	5	0.2%	0	0.0%	2,042
Edmunds	63%	1,253	45.3%	1,493	54.0%	0	0.0%	19	0.7%	0	0.0%	2,765
Fall River	55%	1,348	39.5%	2,037	59.7%	0	0.0%	26	0.8%	0	0.0%	3,411
Faulk	70%	971	47.4%	1,054	51.5%	0	0.0%	22	1.1%	0	0.0%	2,047
Grant	68%	2,052	50.5%	1,972	48.6%	0	0.0%	36	0.9%	0	0.0%	4,060
Gregory	67%	1,793	50.3%	1,723	48.4%	0	0.0%	46	1.3%	0	0.0%	3,562
Haakon	72%	519	39.9%	753	57.9%	0	0.0%	28	2.2%	0	0.0%	1,300
Hamlin	69%	1,326	44.5%	1,608	54.0%	0	0.0%	45	1.5%	0	0.0%	2,979
Hand	64%	1,367	49.2%	1,402	50.5%	0	0.0%	9	0.3%	0	0.0%	2,778
Hanson	64%	953	52.1%	860	47.0%	0	0.0%	15	0.8%	0	0.0%	1,828
Harding	72%	479	46.1%	529	50.9%	0	0.0%	32	3.1%	0	0.0%	1,040
Hughes	63%	1,080	38.1%	1,739	61.4%	0	0.0%	12	0.4%	0	0.0%	2,831
Hutchinson	57%	1,209	29.1%	2,906	70.0%	0	0.0%	36	0.9%	0	0.0%	4,151
Hyde	81%	553	40.1%	817	59.2%	0	0.0%	9	0.7%	0	0.0%	1,379
Jackson	43%	321	41.9%	432	56.4%	0	0.0%	13	1.7%	0	0.0%	766
Jerauld	72%	876	44.1%	1,085	54.6%	0	0.0%	26	1.3%	0	0.0%	1,987
Jones	68%	414	43.7%	522	55.1%	0	0.0%	12	1.3%	0	0.0%	948
Kingsbury	58%	1,338	35.9%	2,332	62.6%	0	0.0%	58	1.6%	0	0.0%	3,728
Lake	66%	2,093	42.0%	2,837	56.9%	0	0.0%	52	1.0%	0	0.0%	4,982
Lawrence	57%	2,209	36.5%	3,778	62.5%	0	0.0%	58	1.0%	0	0.0%	6,045
Lincoln	61%	1,826	39.2%	2,771	59.5%	0	0.0%	59	1.3%	0	0.0%	4,656
Lyman	74%	904	47.3%	993	51.9%	0	0.0%	15	0.8%	0	0.0%	1,912
Marshall	66%	1,710	53.5%	1,419	44.4%	0	0.0%	69	2.2%	0	0.0%	3,198
McCook	64%	1,387	40.0%	2,064	59.5%	0	0.0%	20	0.6%	0	0.0%	3,471
McPherson	58%	611	22.9%	2,034	76.2%	0	0.0%	23	0.9%	0	0.0%	2,668
Meade	59%	1,681	44.6%	2,053	54.5%	0	0.0%	35	0.9%	0	0.0%	3,769
Mellette	55%	482	49.3%	482	49.3%	0	0.0%	13	1.3%	0	0.0%	977
Miner	65%	1,373	53.1%	1,188	45.9%	0	0.0%	26	1.0%	0	0.0%	2,587
Minnehaha	63%	11,770	45.1%	14,047	53.8%	0	0.0%	308	1.2%	0	0.0%	26,125
Moody	62%	1,630	48.4%	1,691	50.2%	0	0.0%	48	1.4%	0	0.0%	3,369
Pennington	60%	4,929	43.2%	6,392	56.0%	0	0.0%	92	0.8%	0	0.0%	11,413
Perkins	62%	1,096	42.4%	1,424	55.0%	0	0.0%	67	2.6%	0	0.0%	2,587
Potter	76%	1,039	49.5%	1,044	49.7%	0	0.0%	18	0.9%	0	0.0%	2,101
Roberts	65%	3,277	58.0%	2,211	39.1%	0	0.0%	164	2.9%	0	0.0%	5,652
Sanborn	64%	1,046	50.8%	990	48.0%	0	0.0%	25	1.2%	0	0.0%	2,061
Shannon	58%	803	55.2%	641	44.1%	0	0.0%	10	0.7%	0	0.0%	1,454
Spink	67%	2,702	53.3%	2,310	45.6%	0	0.0%	55	1.1%	0	0.0%	5,067
Stanley	77%	359	40.5%	522	58.9%	0	0.0%	6	0.7%	0	0.0%	887
Sully	64%	405	40.8%	579	58.4%	0	0.0%	8	0.8%	0	0.0%	992
Todd	61%	796	55.4%	625	43.5%	0	0.0%	17	1.2%	0	0.0%	1,438
Tripp	70%	1,918	50.2%	1,845	48.3%	0	0.0%	55	1.4%	0	0.0%	3,818
Turner	59%	1,514	32.9%	3,048	66.3%	0	0.0%	38	0.8%	0	0.0%	4,600
Union	69%	2,237	50.1%	2,205	49.4%	0	0.0%	23	0.5%	0	0.0%	4,465
Walworth	69%	1,513	48.0%	1,607	50.9%	0	0.0%	35	1.1%	0	0.0%	3,155
Washabuagh	n/a	223	53.2%	192	45.8%	0	0.0%	4	1.0%	0	0.0%	419
Yankton	57%	2,932	49.8%	2,904	49.3%	0	0.0%	57	1.0%	0	0.0%	5,893
Ziebach	76%	503	51.3%	463	47.2%	0	0.0%	14	1.4%	0	0.0%	980
TOTAL	64%	117,653	47.0%	129,651	51.8%	0	0.0%	2,801	1.1%	0	0.0%	250,105

1948 President, null
Candidate	Votes	Pct
Harry Truman* (D)	6	85.7%
Thomas Dewey (R)	1	14.3%
TOTAL	7
Turnout: n/a Diff (St): -38 Diff (US): -31

1948 President, Aurora County
Candidate	Votes	Pct
Harry Truman* (D)	1,275	54.3%
Thomas Dewey (R)	1,056	45.0%
Henry Wallace (Prog)	16	0.7%
TOTAL	2,347
Turnout: 79% Diff (St): -7 Diff (US): 0

1948 President, Beadle County
Candidate	Votes	Pct
Harry Truman* (D)	4,372	53.9%
Thomas Dewey (R)	3,662	45.1%
Henry Wallace (Prog)	77	0.9%
TOTAL	8,111
Turnout: 63% Diff (St): -7 Diff (US): 0

1948 President, Bennett County
Candidate	Votes	Pct
Harry Truman* (D)	758	60.5%
Thomas Dewey (R)	477	38.1%
Henry Wallace (Prog)	17	1.4%
TOTAL	1,252
Turnout: 66% Diff (St): -14 Diff (US): -7

1948 President, Bon Homme County
Candidate	Votes	Pct
Harry Truman* (D)	2,077	47.1%
Thomas Dewey (R)	2,283	51.8%
Henry Wallace (Prog)	48	1.1%
TOTAL	4,408
Turnout: 73% Diff (St): 0 Diff (US): 7

1948 President, Brookings County
Candidate	Votes	Pct
Harry Truman* (D)	2,907	42.0%
Thomas Dewey (R)	3,975	57.4%
Henry Wallace (Prog)	44	0.6%
TOTAL	6,926
Turnout: 60% Diff (St): 6 Diff (US): 12

1948 President, Brown County
Candidate	Votes	Pct
Harry Truman* (D)	7,148	55.1%
Thomas Dewey (R)	5,632	43.4%
Henry Wallace (Prog)	192	1.5%
TOTAL	12,972
Turnout: 66% Diff (St): -8 Diff (US): -2

1948 President, Brule County
Candidate	Votes	Pct
Harry Truman* (D)	1,646	60.0%
Thomas Dewey (R)	1,056	38.5%
Henry Wallace (Prog)	42	1.5%
TOTAL	2,744
Turnout: 77% Diff (St): -13 Diff (US): -7

1948 President, Buffalo County
Candidate	Votes	Pct
Harry Truman* (D)	334	51.2%
Thomas Dewey (R)	313	48.0%
Henry Wallace (Prog)	5	0.8%
TOTAL	652
Turnout: 84% Diff (St): -4 Diff (US): 3

1948 President, Butte County
Candidate	Votes	Pct
Harry Truman* (D)	1,065	37.5%
Thomas Dewey (R)	1,726	60.7%
Henry Wallace (Prog)	51	1.8%
TOTAL	2,842
Turnout: 59% Diff (St): 9 Diff (US): 16

1948 President, Campbell County
Candidate	Votes	Pct
Harry Truman* (D)	410	21.1%
Thomas Dewey (R)	1,518	78.0%
Henry Wallace (Prog)	17	0.9%
TOTAL	1,945
Turnout: 74% Diff (St): 26 Diff (US): 33

1948 President, Charles Mix County
Candidate	Votes	Pct
Harry Truman* (D)	3,086	62.5%
Thomas Dewey (R)	1,800	36.5%
Henry Wallace (Prog)	49	1.0%
TOTAL	4,935
Turnout: 57% Diff (St): -15 Diff (US): -9

1948 President, Clark County
Candidate	Votes	Pct
Harry Truman* (D)	1,559	48.5%
Thomas Dewey (R)	1,625	50.6%
Henry Wallace (Prog)	28	0.9%
TOTAL	3,212
Turnout: 61% Diff (St): -1 Diff (US): 5

1948 President, Clay County
Candidate	Votes	Pct
Harry Truman* (D)	2,080	47.7%
Thomas Dewey (R)	2,228	51.1%
Henry Wallace (Prog)	53	1.2%
TOTAL	4,361
Turnout: 60% Diff (St): -1 Diff (US): 6

1948 President, Codington County
Candidate	Votes	Pct
Harry Truman* (D)	4,042	54.3%
Thomas Dewey (R)	3,349	45.0%
Henry Wallace (Prog)	50	0.7%
TOTAL	7,441
Turnout: 67% Diff (St): -7 Diff (US): 0

1948 President, Corson County
Candidate	Votes	Pct
Harry Truman* (D)	1,154	49.6%
Thomas Dewey (R)	1,154	49.6%
Henry Wallace (Prog)	17	0.7%
TOTAL	2,325
Turnout: 72% Diff (St): -2 Diff (US): 5

1948 President, Custer County
Candidate	Votes	Pct
Harry Truman* (D)	917	42.7%
Thomas Dewey (R)	1,217	56.7%
Henry Wallace (Prog)	14	0.7%
TOTAL	2,148
Turnout: 64% Diff (St): 5 Diff (US): 12

1948 President, Davison County
Candidate	Votes	Pct
Harry Truman* (D)	4,064	57.0%
Thomas Dewey (R)	2,996	42.0%
Henry Wallace (Prog)	68	1.0%
TOTAL	7,128
Turnout: 71% Diff (St): -10 Diff (US): -3

1948 President, Day County
Candidate	Votes	Pct
Harry Truman* (D)	3,146	55.4%
Thomas Dewey (R)	2,438	42.9%
Henry Wallace (Prog)	97	1.7%
TOTAL	5,681
Turnout: 74% Diff (St): -9 Diff (US): -2

1948 President, Deuel County
Candidate	Votes	Pct
Harry Truman* (D)	1,324	48.7%
Thomas Dewey (R)	1,357	49.9%
Henry Wallace (Prog)	38	1.4%
TOTAL	2,719
Turnout: 57% Diff (St): -2 Diff (US): 5

1948 President, Dewey County
Candidate	Votes	Pct
Harry Truman* (D)	727	45.3%
Thomas Dewey (R)	864	53.8%
Henry Wallace (Prog)	15	0.9%
TOTAL	1,606
Turnout: 62% Diff (St): 2 Diff (US): 9

1948 President, Douglas County
Candidate	Votes	Pct
Harry Truman* (D)	736	36.0%
Thomas Dewey (R)	1,301	63.7%
Henry Wallace (Prog)	5	0.2%
TOTAL	2,042
Turnout: 60% Diff (St): 12 Diff (US): 19

1948 President, Edmunds County
Candidate	Votes	Pct
Harry Truman* (D)	1,253	45.3%
Thomas Dewey (R)	1,493	54.0%
Henry Wallace (Prog)	19	0.7%
TOTAL	2,765
Turnout: 63% Diff (St): 2 Diff (US): 9

1948 President, Fall River County
Candidate	Votes	Pct
Harry Truman* (D)	1,348	39.5%
Thomas Dewey (R)	2,037	59.7%
Henry Wallace (Prog)	26	0.8%
TOTAL	3,411
Turnout: 55% Diff (St): 8 Diff (US): 15

1948 President, Faulk County
Candidate	Votes	Pct
Harry Truman* (D)	971	47.4%
Thomas Dewey (R)	1,054	51.5%
Henry Wallace (Prog)	22	1.1%
TOTAL	2,047
Turnout: 70% Diff (St): 0 Diff (US): 6

1948 President, Grant County
Candidate	Votes	Pct
Harry Truman* (D)	2,052	50.5%
Thomas Dewey (R)	1,972	48.6%
Henry Wallace (Prog)	36	0.9%
TOTAL	4,060
Turnout: 68% Diff (St): -3 Diff (US): 3

1948 President, Gregory County
Candidate	Votes	Pct
Harry Truman* (D)	1,793	50.3%
Thomas Dewey (R)	1,723	48.4%
Henry Wallace (Prog)	46	1.3%
TOTAL	3,562
Turnout: 67% Diff (St): -3 Diff (US): 3

1948 President, Haakon County
Candidate	Votes	Pct
Harry Truman* (D)	519	39.9%
Thomas Dewey (R)	753	57.9%
Henry Wallace (Prog)	28	2.2%
TOTAL	1,300
Turnout: 72% Diff (St): 6 Diff (US): 13

1948 President, Hamlin County
Candidate	Votes	Pct
Harry Truman* (D)	1,326	44.5%
Thomas Dewey (R)	1,608	54.0%
Henry Wallace (Prog)	45	1.5%
TOTAL	2,979
Turnout: 69% Diff (St): 2 Diff (US): 9

1948 President, Hand County
Candidate	Votes	Pct
Harry Truman* (D)	1,367	49.2%
Thomas Dewey (R)	1,402	50.5%
Henry Wallace (Prog)	9	0.3%
TOTAL	2,778
Turnout: 64% Diff (St): -1 Diff (US): 5

1948 President, Hanson County
Candidate	Votes	Pct
Harry Truman* (D)	953	52.1%
Thomas Dewey (R)	860	47.0%
Henry Wallace (Prog)	15	0.8%
TOTAL	1,828
Turnout: 64% Diff (St): -5 Diff (US): 2

1948 President, Harding County
Candidate	Votes	Pct
Harry Truman* (D)	479	46.1%
Thomas Dewey (R)	529	50.9%
Henry Wallace (Prog)	32	3.1%
TOTAL	1,040
Turnout: 72% Diff (St): -1 Diff (US): 6

1948 President, Hughes County
Candidate	Votes	Pct
Harry Truman* (D)	1,080	38.1%
Thomas Dewey (R)	1,739	61.4%
Henry Wallace (Prog)	12	0.4%
TOTAL	2,831
Turnout: 63% Diff (St): 10 Diff (US): 16

1948 President, Hutchinson County
Candidate	Votes	Pct
Harry Truman* (D)	1,209	29.1%
Thomas Dewey (R)	2,906	70.0%
Henry Wallace (Prog)	36	0.9%
TOTAL	4,151
Turnout: 57% Diff (St): 18 Diff (US): 25

1948 President, Hyde County
Candidate	Votes	Pct
Harry Truman* (D)	553	40.1%
Thomas Dewey (R)	817	59.2%
Henry Wallace (Prog)	9	0.7%
TOTAL	1,379
Turnout: 81% Diff (St): 7 Diff (US): 14

1948 President, Jackson County
Candidate	Votes	Pct
Harry Truman* (D)	321	41.9%
Thomas Dewey (R)	432	56.4%
Henry Wallace (Prog)	13	1.7%
TOTAL	766
Turnout: 43% Diff (St): 5 Diff (US): 11

1948 President, Jerauld County
Candidate	Votes	Pct
Harry Truman* (D)	876	44.1%
Thomas Dewey (R)	1,085	54.6%
Henry Wallace (Prog)	26	1.3%
TOTAL	1,987
Turnout: 72% Diff (St): 3 Diff (US): 10

1948 President, Jones County
Candidate	Votes	Pct
Harry Truman* (D)	414	43.7%
Thomas Dewey (R)	522	55.1%
Henry Wallace (Prog)	12	1.3%
TOTAL	948
Turnout: 68% Diff (St): 3 Diff (US): 10

1948 President, Kingsbury County
Candidate	Votes	Pct
Harry Truman* (D)	1,338	35.9%
Thomas Dewey (R)	2,332	62.6%
Henry Wallace (Prog)	58	1.6%
TOTAL	3,728
Turnout: 58% Diff (St): 11 Diff (US): 17

1948 President, Lake County
Candidate	Votes	Pct
Harry Truman* (D)	2,093	42.0%
Thomas Dewey (R)	2,837	56.9%
Henry Wallace (Prog)	52	1.0%
TOTAL	4,982
Turnout: 66% Diff (St): 5 Diff (US): 12

1948 President, Lawrence County
Candidate	Votes	Pct
Harry Truman* (D)	2,209	36.5%
Thomas Dewey (R)	3,778	62.5%
Henry Wallace (Prog)	58	1.0%
TOTAL	6,045
Turnout: 57% Diff (St): 11 Diff (US): 17

1948 President, Lincoln County
Candidate	Votes	Pct
Harry Truman* (D)	1,826	39.2%
Thomas Dewey (R)	2,771	59.5%
Henry Wallace (Prog)	59	1.3%
TOTAL	4,656
Turnout: 61% Diff (St): 8 Diff (US): 14

1948 President, Lyman County
Candidate	Votes	Pct
Harry Truman* (D)	904	47.3%
Thomas Dewey (R)	993	51.9%
Henry Wallace (Prog)	15	0.8%
TOTAL	1,912
Turnout: 74% Diff (St): 0 Diff (US): 7

1948 President, McCook County
Candidate	Votes	Pct
Harry Truman* (D)	1,387	40.0%
Thomas Dewey (R)	2,064	59.5%
Henry Wallace (Prog)	20	0.6%
TOTAL	3,471
Turnout: 64% Diff (St): 8 Diff (US): 14

1948 President, McPherson County
Candidate	Votes	Pct
Harry Truman* (D)	611	22.9%
Thomas Dewey (R)	2,034	76.2%
Henry Wallace (Prog)	23	0.9%
TOTAL	2,668
Turnout: 58% Diff (St): 24 Diff (US): 31

1948 President, Marshall County
Candidate	Votes	Pct
Harry Truman* (D)	1,710	53.5%
Thomas Dewey (R)	1,419	44.4%
Henry Wallace (Prog)	69	2.2%
TOTAL	3,198
Turnout: 66% Diff (St): -7 Diff (US): -1

1948 President, Meade County
Candidate	Votes	Pct
Harry Truman* (D)	1,681	44.6%
Thomas Dewey (R)	2,053	54.5%
Henry Wallace (Prog)	35	0.9%
TOTAL	3,769
Turnout: 59% Diff (St): 3 Diff (US): 9

1948 President, Mellette County
Candidate	Votes	Pct
Harry Truman* (D)	482	49.3%
Thomas Dewey (R)	482	49.3%
Henry Wallace (Prog)	13	1.3%
TOTAL	977
Turnout: 55% Diff (St): -3 Diff (US): 4

1948 President, Miner County
Candidate	Votes	Pct
Harry Truman* (D)	1,373	53.1%
Thomas Dewey (R)	1,188	45.9%
Henry Wallace (Prog)	26	1.0%
TOTAL	2,587
Turnout: 65% Diff (St): -6 Diff (US): 1

1948 President, Minnehaha County
Candidate	Votes	Pct
Harry Truman* (D)	11,770	45.1%
Thomas Dewey (R)	14,047	53.8%
Henry Wallace (Prog)	308	1.2%
TOTAL	26,125
Turnout: 63% Diff (St): 2 Diff (US): 9

1948 President, Moody County
Candidate	Votes	Pct
Harry Truman* (D)	1,630	48.4%
Thomas Dewey (R)	1,691	50.2%
Henry Wallace (Prog)	48	1.4%
TOTAL	3,369
Turnout: 62% Diff (St): -2 Diff (US): 5

1948 President, Pennington County
Candidate	Votes	Pct
Harry Truman* (D)	4,929	43.2%
Thomas Dewey (R)	6,392	56.0%
Henry Wallace (Prog)	92	0.8%
TOTAL	11,413
Turnout: 60% Diff (St): 4 Diff (US): 11

1948 President, Perkins County
Candidate	Votes	Pct
Harry Truman* (D)	1,096	42.4%
Thomas Dewey (R)	1,424	55.0%
Henry Wallace (Prog)	67	2.6%
TOTAL	2,587
Turnout: 62% Diff (St): 3 Diff (US): 10

1948 President, Potter County
Candidate	Votes	Pct
Harry Truman* (D)	1,039	49.5%
Thomas Dewey (R)	1,044	49.7%
Henry Wallace (Prog)	18	0.9%
TOTAL	2,101
Turnout: 76% Diff (St): -2 Diff (US): 5

1948 President, Roberts County
Candidate	Votes	Pct
Harry Truman* (D)	3,277	58.0%
Thomas Dewey (R)	2,211	39.1%
Henry Wallace (Prog)	164	2.9%
TOTAL	5,652
Turnout: 65% Diff (St): -13 Diff (US): -6

1948 President, Sanborn County
Candidate	Votes	Pct
Harry Truman* (D)	1,046	50.8%
Thomas Dewey (R)	990	48.0%
Henry Wallace (Prog)	25	1.2%
TOTAL	2,061
Turnout: 64% Diff (St): -4 Diff (US): 3

1948 President, Oglala Lakota County
Candidate	Votes	Pct
Harry Truman* (D)	803	55.2%
Thomas Dewey (R)	641	44.1%
Henry Wallace (Prog)	10	0.7%
TOTAL	1,454
Turnout: 58% Diff (St): -8 Diff (US): -1

1948 President, Spink County
Candidate	Votes	Pct
Harry Truman* (D)	2,702	53.3%
Thomas Dewey (R)	2,310	45.6%
Henry Wallace (Prog)	55	1.1%
TOTAL	5,067
Turnout: 67% Diff (St): -6 Diff (US): 0

1948 President, Stanley County
Candidate	Votes	Pct
Harry Truman* (D)	359	40.5%
Thomas Dewey (R)	522	58.9%
Henry Wallace (Prog)	6	0.7%
TOTAL	887
Turnout: 77% Diff (St): 7 Diff (US): 14

1948 President, Sully County
Candidate	Votes	Pct
Harry Truman* (D)	405	40.8%
Thomas Dewey (R)	579	58.4%
Henry Wallace (Prog)	8	0.8%
TOTAL	992
Turnout: 64% Diff (St): 7 Diff (US): 13

1948 President, Todd County
Candidate	Votes	Pct
Harry Truman* (D)	796	55.4%
Thomas Dewey (R)	625	43.5%
Henry Wallace (Prog)	17	1.2%
TOTAL	1,438
Turnout: 61% Diff (St): -8 Diff (US): -2

1948 President, Tripp County
Candidate	Votes	Pct
Harry Truman* (D)	1,918	50.2%
Thomas Dewey (R)	1,845	48.3%
Henry Wallace (Prog)	55	1.4%
TOTAL	3,818
Turnout: 70% Diff (St): -4 Diff (US): 3

1948 President, Turner County
Candidate	Votes	Pct
Harry Truman* (D)	1,514	32.9%
Thomas Dewey (R)	3,048	66.3%
Henry Wallace (Prog)	38	0.8%
TOTAL	4,600
Turnout: 59% Diff (St): 14 Diff (US): 21

1948 President, Union County
Candidate	Votes	Pct
Harry Truman* (D)	2,237	50.1%
Thomas Dewey (R)	2,205	49.4%
Henry Wallace (Prog)	23	0.5%
TOTAL	4,465
Turnout: 69% Diff (St): -2 Diff (US): 4

1948 President, Walworth County
Candidate	Votes	Pct
Harry Truman* (D)	1,513	48.0%
Thomas Dewey (R)	1,607	50.9%
Henry Wallace (Prog)	35	1.1%
TOTAL	3,155
Turnout: 69% Diff (St): -1 Diff (US): 6

1948 President, null
Candidate	Votes	Pct
Harry Truman* (D)	223	53.2%
Thomas Dewey (R)	192	45.8%
Henry Wallace (Prog)	4	1.0%
TOTAL	419
Turnout: n/a Diff (St): -6 Diff (US): 1

1948 President, Yankton County
Candidate	Votes	Pct
Harry Truman* (D)	2,932	49.8%
Thomas Dewey (R)	2,904	49.3%
Henry Wallace (Prog)	57	1.0%
TOTAL	5,893
Turnout: 57% Diff (St): -3 Diff (US): 4

1948 President, Ziebach County
Candidate	Votes	Pct
Harry Truman* (D)	503	51.3%
Thomas Dewey (R)	463	47.2%
Henry Wallace (Prog)	14	1.4%
TOTAL	980
Turnout: 76% Diff (St): -5 Diff (US): 2

* incumbent