Theodore Roosevelt carried Colorado R+14.2.

Alton B. Parker (D) vs Theodore Roosevelt (R) in Colorado, 1904. The state ran 5.5 points more Democratic than the nation (R+19.7 nationally).

Nominees: Alton B. Parker (D) · Theodore Roosevelt (R)

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Colorado result

243,684 votes counted

Parker (D)

100,105

41.1%

Roosevelt (R)

134,678

55.3%

All others

8,901

3.7%

Margin

R+14.2

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1904 presidential election

Colorado, 1904

RooseveltR+14.2

How it voted

Share of the 1904 vote

Theodore Roosevelt ✓Republican	55.3%	134,678
Alton B. ParkerDemocratic	41.1%	100,105
OtherAll other candidates	3.7%	8,901

D+60

R+60

59 counties, each filled by 1904 D-vs-R margin. Hover any county for its result.

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Colorado's presidential margins

1880–2024, the 1904 contest in context

Colorado's presidential margins

Year	Margin (D minus R)
1880	−5.2%
1884	−12.6%
1888	−14.4%
1892	−41.1%
1896	+70.6%
1900	+13.6%
1904	−14.2%
1908	+1.1%
1912	+20.9%
1916	+26.0%
1920	−23.4%
1924	−35.0%
1928	−30.8%
1932	+13.4%
1936	+23.3%
1940	−2.6%
1944	−6.8%
1948	+5.4%
1952	−21.3%
1956	−19.7%
1960	−9.7%
1964	+23.1%
1968	−9.2%
1972	−28.0%
1976	−11.5%
1980	−24.0%
1984	−28.3%
1988	−7.8%
1992	+4.3%
1996	−1.4%
2000	−8.4%
2004	−4.7%
2008	+9.0%
2012	+5.4%
2016	+4.9%
2020	+13.5%
2024	+11.0%

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County results — 1904

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

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County	Won	Margin	Democratic	Republican	Total
Adams County	R	−3.4%	1,041	1,115	2,191
Arapahoe County	R	−29.5%	717	1,351	2,147
Archuleta County	R	−30.0%	357	674	1,058
Baca County	R	−21.8%	130	203	335
Bent County	R	−31.2%	416	812	1,270
Boulder County	R	−14.3%	4,030	5,483	10,172
Chaffee County	R	−0.3%	1,601	1,611	3,435
Cheyenne County	R	−34.5%	69	145	220
Clear Creek County	R	−14.6%	1,252	1,691	3,008
Conejos County	R	−37.9%	901	2,018	2,944
Costilla County	R	−28.4%	506	917	1,445
Custer County	D	+2.1%	612	587	1,207
Delta County	R	−16.8%	1,046	1,567	3,094
Denver County	R	−5.9%	28,958	32,667	63,153
Dolores County	D	+5.1%	167	150	335
Douglas County	R	−20.1%	524	792	1,336
Eagle County	R	−12.0%	625	802	1,477
El Paso County	R	−27.9%	5,281	9,589	15,449
Elbert County	R	−22.1%	482	768	1,293
Fremont County	R	−7.0%	3,057	3,533	6,835
Garfield County	R	−11.4%	1,286	1,639	3,087
Gilpin County	R	−1.9%	1,260	1,311	2,675
Grand County	R	−27.8%	266	475	752
Gunnison County	R	−3.2%	1,260	1,348	2,714
Hinsdale County	R	−0.8%	239	243	511
Huerfano County	R	−47.9%	958	2,733	3,709
Jefferson County	R	−24.4%	1,739	2,903	4,778
Kiowa County	R	−17.6%	124	180	318
Kit Carson County	R	−38.3%	219	514	771
La Plata County	R	−8.4%	1,458	1,745	3,413
Lake County	R	−1.5%	2,936	3,026	6,043
Larimer County	R	−31.3%	2,070	4,138	6,606
Las Animas County	R	−7.4%	4,486	5,218	9,850
Lincoln County	R	−41.3%	132	323	462
Logan County	R	−23.3%	486	821	1,437
Mesa County	R	−25.8%	1,555	2,783	4,761
Mineral County	D	+29.5%	575	306	911
Montezuma County	D	+3.2%	563	526	1,152
Montrose County	R	−15.2%	922	1,306	2,533
Morgan County	R	−43.0%	406	1,136	1,698
Otero County	R	−13.6%	2,225	2,975	5,511
Ouray County	D	+7.9%	1,080	916	2,080
Park County	R	−1.2%	669	685	1,391
Phillips County	R	−46.7%	140	444	651
Pitkin County	D	+8.6%	1,120	922	2,293
Prowers County	R	−36.7%	494	1,155	1,799
Pueblo County	R	−13.4%	6,966	9,173	16,463
Rio Blanco County	R	−16.9%	391	552	950
Rio Grande County	R	−33.3%	690	1,417	2,181
Routt County	R	−23.1%	856	1,384	2,286
Saguache County	R	−13.7%	697	922	1,641
San Juan County	D	+11.6%	899	708	1,651
San Miguel County	R	−25.6%	797	1,370	2,240
Sedgwick County	R	−43.5%	131	347	497
Summit County	D	+0.7%	569	561	1,165
Teller County	R	−11.9%	4,398	5,595	10,080
Washington County	R	−38.9%	191	460	692
Weld County	R	−29.3%	2,555	4,833	7,780
Yuma County	R	−33.5%	525	1,110	1,748