Harry S. Truman carried Washington D+9.8.

Harry S. Truman (D) vs Thomas E. Dewey (R) in Washington, 1948. The state ran 5.3 points more Democratic than the nation (D+4.5 nationally).

Nominees: Harry S. Truman (D) · Thomas E. Dewey (R) · Strom Thurmond (States' Rights Democratic)

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Washington result

904,058 votes counted

Truman (D)

475,165

52.6%

Dewey (R)

386,314

42.7%

Thurmond + others

42,579

4.7%

Margin

D+9.8

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1948 presidential election

Washington, 1948

TrumanD+9.8

How it voted

Share of the 1948 vote

Harry S. Truman ✓Democratic	52.6%	475,165
Thomas E. DeweyRepublican	42.7%	386,314
Strom ThurmondStates' Rights	4.7%	42,579

D+60

R+60

39 counties, each filled by 1948 D-vs-R margin. Hover any county for its result.

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Washington's presidential margins

1892–2024, the 1948 contest in context

Washington's presidential margins

Year	Margin (D minus R)
1892	−7.6%
1896	+15.1%
1900	−11.7%
1904	−50.6%
1908	−25.8%
1912	+5.1%
1916	+4.2%
1920	−34.8%
1924	−42.1%
1928	−35.8%
1932	+23.5%
1936	+36.5%
1940	+17.6%
1944	+14.6%
1948	+9.8%
1952	−9.6%
1956	−8.5%
1960	−2.4%
1964	+24.6%
1968	+2.1%
1972	−18.3%
1976	−3.9%
1980	−12.3%
1984	−13.0%
1988	+1.6%
1992	+11.4%
1996	+12.5%
2000	+5.6%
2004	+7.2%
2008	+17.2%
2012	+14.8%
2016	+15.7%
2020	+19.2%
2024	+18.2%

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County results — 1948

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

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County	Won	Margin	Democratic	Republican	Total
Adams County	R	−4.7%	1,267	1,394	2,683
Asotin County	D	+18.7%	2,054	1,384	3,583
Benton County	D	+18.0%	8,458	5,852	14,467
Chelan County	D	+2.0%	7,702	7,392	15,351
Clallam County	D	+12.2%	5,412	4,178	10,097
Clark County	D	+18.6%	17,154	11,546	30,132
Columbia County	R	−2.2%	1,015	1,062	2,112
Cowlitz County	D	+21.0%	11,075	7,098	18,902
Douglas County	D	+13.6%	2,251	1,703	4,033
Ferry County	D	+26.2%	824	473	1,340
Franklin County	D	+23.8%	2,525	1,541	4,130
Garfield County	R	−0.1%	747	749	1,531
Grant County	D	+31.6%	4,067	2,081	6,277
Grays Harbor County	D	+22.8%	13,660	8,357	23,215
Island County	R	−3.0%	1,694	1,805	3,680
Jefferson County	D	+8.2%	1,911	1,610	3,676
King County	D	+4.2%	143,295	131,039	291,635
Kitsap County	D	+31.5%	19,538	9,869	30,678
Kittitas County	D	+13.7%	4,588	3,446	8,348
Klickitat County	D	+6.0%	2,206	1,951	4,252
Lewis County	R	−3.6%	8,394	9,047	17,953
Lincoln County	D	+3.5%	2,518	2,348	4,924
Mason County	D	+16.8%	3,613	2,524	6,501
Okanogan County	D	+15.7%	5,644	4,083	9,935
Pacific County	D	+16.3%	3,902	2,749	7,052
Pend Oreille County	D	+17.8%	1,465	1,009	2,567
Pierce County	D	+17.9%	50,674	34,396	90,786
San Juan County	R	−15.6%	636	881	1,575
Skagit County	D	+5.0%	9,080	8,176	18,192
Skamania County	D	+19.5%	1,067	707	1,842
Snohomish County	D	+19.3%	25,924	17,018	46,260
Spokane County	D	+14.1%	49,649	37,086	88,988
Stevens County	D	+16.5%	4,205	2,977	7,434
Thurston County	D	+4.6%	10,461	9,511	20,804
Wahkiakum County	D	+16.0%	877	622	1,597
Walla Walla County	R	−5.8%	7,102	7,993	15,378
Whatcom County	R	−0.4%	12,736	12,850	27,451
Whitman County	R	−3.1%	6,015	6,411	12,740
Yakima County	R	−3.9%	19,760	21,396	41,957