Colorado 1st Congressional District (CO) — Elections 1876–2024

Colorado 1st Congressional District, Colorado: Urban anchor district. In 2024, voted D+56%. Democratic peak: D+75 in 1896.

Key facts

2024 presidential margin: D+56MIT Election Lab
Political archetype: Urban anchorAkashic typology
Population: 718,1312024 5-year
Median household income: $94,7262024 5-year
White (non-Hispanic): 59.3%2024 5-year
Black: 9.0%2024 5-year
Hispanic / Latino: 28.0%2024 5-year
Peak Democratic margin: D+75 in 1896MIT Election Lab
Peak Republican margin: R+47 in 1892MIT Election Lab

DEGETTE, DianaCongress 119 · Democratic

−1 liberal

+1 conservative

Predecessors: SCHROEDER, Patricia Scott (1995–1997), SCHROEDER, Patricia Scott (1993–1995), SCHROEDER, Patricia Scott (1991–1993), SCHROEDER, Patricia Scott (1989–1991)

Source · Voteview / Lewis, Poole, Rosenthal et al. (CC-BY).

2024 results by constituent county

2 counties · 2 D · 0 R

R+60

D+60

One cell per constituent county. Ordered by 2024 D-vs-R margin (bluest first). Hover for county-level numbers.

38 presidential elections

Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
Year	Won	Margin	Democratic	Republican	Total
2024	D	+56.0%	278,251	74,770	363,130
2020	D	+61.3%	312,860	71,632	393,399
2016	D	+54.7%	244,204	62,711	331,506
2012	D	+49.2%	221,715	73,120	302,116
2008	D	+52.4%	204,612	62,584	271,276
2004	D	+40.2%	165,901	69,911	238,597
2000	D	+30.9%	122,522	61,221	198,153
1996	D	+31.7%	120,126	58,510	194,589
1992	D	+30.5%	121,769	55,392	217,670
1988	D	+23.5%	126,960	77,708	209,165
1984	D	+2.3%	109,997	105,003	219,434
1980	R	−1.2%	85,743	88,304	209,197
1976	D	+2.7%	112,012	105,801	226,345
1972	R	−10.6%	97,857	121,782	224,906
1968	D	+6.6%	105,857	91,834	210,898
1964	D	+32.2%	143,181	73,139	217,845
1960	D	+0.1%	109,402	109,225	220,242
1956	R	−12.7%	93,606	121,143	216,652
1952	R	−12.9%	92,033	119,531	213,094
1948	D	+7.8%	89,289	76,193	168,688
1944	D	+2.1%	89,799	86,140	176,696
1940	D	+5.5%	90,734	81,147	172,983
1936	D	+31.8%	99,037	50,629	152,147
1932	D	+9.9%	72,704	59,238	136,250
1928	R	−27.9%	41,144	73,378	115,740
1924	R	−46.5%	15,728	58,943	92,912
1920	R	−29.5%	22,787	43,482	70,099
1916	D	+29.0%	42,931	23,132	68,356
1912	D	+30.9%	26,629	8,137	59,879
1908	D	+4.5%	33,068	30,124	65,556
1904	R	−5.9%	28,890	32,592	63,006
1900	D	+13.6%	49	37	88
1896	D	+74.6%	62	9	71
1892	O	−47.1%	0	16	34
1888	R	−16.7%	12	17	30
1884	R	−10.5%	8	10	19
1880	R	−9.1%	5	6	11
1876	—	No data	—	—	—

Congressional elections · 16 Senate races

U.S. Senate

Source · MIT Election Lab (MEDSL), Senate. CC-BY 4.0.
Year	Won	D %	R %	Total
2022	D	55.9%	41.3%	2,500,201
2020	D	53.5%	44.2%	3,235,790
2016	D	50.0%	44.3%	2,743,023
2014	R	46.3%	48.2%	2,041,058
2010	D	48.1%	46.4%	1,772,286
2008	D	52.8%	42.5%	2,331,621
2004	D	51.3%	46.5%	2,107,472
2002	R	45.8%	50.7%	1,416,082
1998	R	35.0%	62.5%	1,327,235
1996	R	45.7%	51.4%	1,459,601
1992	D	51.8%	42.7%	1,552,289
1990	R	41.7%	55.7%	1,022,027
1986	D	49.9%	48.4%	1,060,765
1984	R	34.6%	64.2%	1,297,809
1980	D	50.3%	48.7%	1,173,142
1978	R	40.3%	58.7%	819,256

Demographics

Race, ethnicity, and ancestry

Click any group to see the ancestries typically reported within it.

German

14.3%

Irish

11.3%

English

10.9%

Italian

5.5%

American

2.9%

Polish

2.7%

Scottish

2.2%

Source · American Community Survey 5-year estimates, 2024 release. Hispanic/Latino is an ethnicity that overlaps the race categories, so these shares can total more than 100%. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.

Age distribution by sex

Median age: 35.3 in this county, 39.1 nationally

Male

Age

Female

0.5%

85+

0.8%

1.5%

75–84

2.0%

3.5%

65–74

4.1%

4.8%

55–64

4.6%

6.2%

45–54

5.5%

9.0%

35–44

8.1%

11.9%

25–34

11.5%

3.9%

18–24

4.1%

6.4%

5–17

6.2%

2.7%

2.6%

Source · American Community Survey 5-year estimates, 2024 release.

Median household income

2024 inflation-adjusted dollars

$94,726

Congressional District 1 ranks near the middle of US counties.

Congressional District 1$94,726

Colorado$95,470

United States$80,734

Source · American Community Survey 5-year estimates, 2024 release.

Poverty rate

All persons below federal poverty line

11.2%

Children face moderate poverty.

Children under 1816.0%

Working age (18–64)10.1%

Seniors (65+)12.3%

Source · American Community Survey 5-year estimates, 2024 release.

Language at home

Population aged 5 and older

76.1%

speak English only

Spanish16.7%

Other Indo-European3.0%

Asian & Pacific Islander2.3%

Other languages1.9%

Source · ACS 5-year estimates, 2024.

Religious adherents

Adherents per capita by tradition

Catholic & Orthodox

25.4%

Other Christian

6.1%

Non-Christian

4.1%

Baptist

2.7%

Mainline Protestant

2.5%

Methodist

1.2%

Pentecostal & Holiness

0.8%

Source · 2020 US Religion Census. Remaining 57.2% of residents not counted as adherents by any reporting body.

Colorado's 1st district covers most of Denver and posts presidential margins rarely seen outside major metro cores — Biden and Harris each carried it by roughly 50 points, reflecting a dense, highly educated, and majority-minority electorate.

The Democratic margin in Colorado 1st Congressional District has been steady. It reached its modern peak at seventy-five points in 1896; the 2024 margin was fifty-six points, still in line with the district's long pattern.

Its political identity is inseparable from its demographic profile: a 59% non-Hispanic-white share, a median household income of $94,726, and the full diversity of a major metropolitan center.

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Cite this page

All citations released under CC BY 4.0. Attribution: Akashic Intelligence.

Congressional District 1, Colorado. Akashic. https://akashic.app/cd/0801/. Accessed May 20, 2026. License: CC BY 4.0.

License: CC BY 4.0

Frequently asked questions

How did Congressional District 1, Colorado vote in 2024?

In 2024, Congressional District 1, Colorado voted Democratic by 56.0 points (D+56), carried by the Democratic candidate. Out of 363,130 votes cast, 278,251 went Democratic and 74,770 went Republican.

What is Congressional District 1, Colorado's political archetype?

Akashic classifies Congressional District 1, Colorado as a "Urban anchor" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 25 times, Republican 11 times, and other 1 times.

When did Congressional District 1, Colorado last vote Republican?

The most recent presidential election in which Congressional District 1, Colorado voted Republican was 1980.

How many people live in Congressional District 1, Colorado?

Congressional District 1, Colorado has a population of 718,131 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.

What is the median household income in Congressional District 1, Colorado?

Median household income in Congressional District 1, Colorado is $94,726 — above the national median of $80,734. The Colorado state median is $95,470.

What is the political history of Congressional District 1, Colorado?

Akashic tracks 38 presidential elections in Congressional District 1, Colorado from 1876 to 2024. Of those, 25 went Democratic and 11 went Republican. The district's archetype — "Urban anchor" — captures the overall trajectory of that voting record.

Colorado 1st Congressional District has voted Democratic by double digits in every cycle this century.

Key facts

U.S. Senate

Demographics

Compare two places, side by side

Frequently asked questions