Colorado 4th Congressional District (CO) — Elections 1876–2024

Colorado 4th Congressional District, Colorado: Bellwether district. In 2024, voted R+3%. Democratic peak: D+64 in 1896.

Key facts

2024 presidential margin: R+3MIT Election Lab
Political archetype: BellwetherAkashic typology
Population: 1,924,3552024 5-year
Median household income: $105,4242024 5-year
White (non-Hispanic): 67.1%2024 5-year
Black: 4.9%2024 5-year
Hispanic / Latino: 24.7%2024 5-year
Peak Democratic margin: D+64 in 1896MIT Election Lab
Peak Republican margin: R+48 in 1892MIT Election Lab

BOEBERT, LaurenCongress 119 · Republican

−1 liberal

+1 conservative

Predecessors: BUCK, Kenneth Robert (2023–2025), LOPEZ, Greg (2023–2025), BUCK, Kenneth Robert (2021–2023), BUCK, Kenneth Robert (2019–2021)

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

2024 results by constituent county

21 counties · 3 D · 18 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	R	−3.3%	471,977	505,323	1,004,082
2020	D	+0.1%	488,079	486,921	1,002,580
2016	R	−8.6%	347,324	419,140	839,263
2012	R	−7.3%	345,627	401,832	765,197
2008	R	−3.5%	335,305	359,694	706,148
2004	R	−19.5%	240,943	359,259	606,849
2000	R	−18.8%	183,355	273,995	481,023
1996	R	−12.3%	156,532	205,017	395,428
1992	R	−5.7%	140,538	163,545	405,663
1988	R	−18.4%	139,793	204,079	348,931
1984	R	−41.0%	92,845	224,691	321,675
1980	R	−32.7%	79,390	173,850	288,506
1976	R	−13.9%	104,610	139,372	250,787
1972	R	−37.8%	62,718	142,474	210,807
1968	R	−18.4%	63,998	96,648	176,992
1964	D	+17.4%	98,463	69,151	168,473
1960	R	−18.2%	63,392	91,643	155,403
1956	R	−22.9%	50,984	81,507	133,077
1952	R	−31.4%	41,358	79,701	121,923
1948	R	−2.9%	46,460	49,267	96,709
1944	R	−23.3%	36,842	59,359	96,511
1940	R	−17.7%	44,060	63,155	108,133
1936	D	+12.0%	54,404	42,385	99,809
1932	D	+10.4%	53,225	42,762	100,262
1928	R	−42.0%	23,655	58,869	83,808
1924	R	−36.8%	16,023	43,977	75,931
1920	R	−31.2%	22,128	43,705	69,185
1916	D	+19.8%	36,997	24,246	64,512
1912	O	+15.0%	19,632	11,889	51,497
1908	R	−9.9%	17,569	21,678	41,478
1904	R	−29.4%	9,540	18,083	29,071
1900	D	+8.0%	35,707	30,272	67,715
1896	D	+64.2%	47,677	10,087	58,554
1892	O	−48.0%	0	13,482	28,077
1888	R	−17.3%	10,703	15,443	27,393
1884	R	−14.4%	5,718	7,799	14,467
1880	R	−10.7%	3,931	4,907	9,151
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

17.8%

English

11.9%

Irish

10.4%

Italian

4.4%

American

3.5%

Scottish

1.9%

French

1.8%

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: 36.9 in this county, 39.1 nationally

Male

Age

Female

0.5%

85+

0.8%

1.7%

75–84

2.2%

4.0%

65–74

4.5%

5.7%

55–64

5.8%

6.5%

45–54

6.2%

7.7%

35–44

7.1%

7.8%

25–34

7.1%

4.6%

18–24

4.1%

9.0%

5–17

8.6%

3.1%

2.9%

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

Median household income

2024 inflation-adjusted dollars

$105,424

Congressional District 4 ranks near the middle of US counties.

Congressional District 4$105,424

Colorado$95,470

United States$80,734

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

Poverty rate

All persons below federal poverty line

8.4%

Child poverty is below the national average.

Children under 1810.5%

Working age (18–64)7.7%

Seniors (65+)9.3%

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

Language at home

Population aged 5 and older

80.9%

speak English only

Spanish13.0%

Other Indo-European2.6%

Asian & Pacific Islander2.3%

Other languages1.2%

Source · ACS 5-year estimates, 2024.

Religious adherents

Adherents per capita by tradition

Catholic & Orthodox

14.5%

Other Christian

12.2%

Mainline Protestant

2.4%

Pentecostal & Holiness

1.4%

Methodist

1.3%

Baptist

1.2%

Non-Christian

1.0%

Source · 2020 US Religion Census. Remaining 66.1% of residents not counted as adherents by any reporting body.

Covering the entire eastern third of Colorado plus rural southern counties, CO-4 is one of the largest districts by area in the contiguous U.S., where ranching economies and sparse population density have produced consistent double-digit Republican margins in recent election cycles.

The Democratic margin in Colorado 4th Congressional District has rarely exceeded sixty-four points in modern history; the Republican margin has rarely exceeded forty-eight points. 2024 delivered the district to the Republican candidate by three points.

Its demographics resemble the country more than they resemble most districts. A 67% non-Hispanic-white share, a 8% poverty rate, and a median household income of $105,424 — all within the broad national range.

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Cite this page

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

Congressional District 4, Colorado. Akashic. https://akashic.app/cd/0804/. Accessed May 20, 2026. License: CC BY 4.0.

License: CC BY 4.0

Frequently asked questions

How did Congressional District 4, Colorado vote in 2024?

In 2024, Congressional District 4, Colorado voted Republican by 3.3 points (R+3), carried by the Republican candidate. Out of 1,004,082 votes cast, 471,977 went Democratic and 505,323 went Republican.

What is Congressional District 4, Colorado's political archetype?

Akashic classifies Congressional District 4, Colorado as a "Bellwether" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 7 times, Republican 28 times, and other 2 times.

When did Congressional District 4, Colorado last vote Democratic?

The most recent presidential election in which Congressional District 4, Colorado voted Democratic was 2020.

How many people live in Congressional District 4, Colorado?

Congressional District 4, Colorado has a population of 1,924,355 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.

What is the median household income in Congressional District 4, Colorado?

Median household income in Congressional District 4, Colorado is $105,424 — above the national median of $80,734. The Colorado state median is $95,470.

What is the political history of Congressional District 4, Colorado?

Akashic tracks 38 presidential elections in Congressional District 4, Colorado from 1876 to 2024. Of those, 7 went Democratic and 28 went Republican. The district's archetype — "Bellwether" — captures the overall trajectory of that voting record.

Colorado 4th Congressional District votes the way the country votes.

Key facts

U.S. Senate

Demographics

Compare two places, side by side

Frequently asked questions