Congressional District 3 Congressional District (CO) — Elections 1876–2024

Colorado 3rd Congressional District, Colorado: Bellwether district. In 2024, voted R+10%. Democratic peak: D+77 in 1896.

Key facts

2024 presidential margin: R+10MIT Election Lab
Political archetype: BellwetherAkashic typology
Population: 734,2422024 5-year
Median household income: $72,2752024 5-year
White (non-Hispanic): 76.2%2024 5-year
Black: 1.0%2024 5-year
Hispanic / Latino: 26.1%2024 5-year
Peak Democratic margin: D+77 in 1896MIT Election Lab
Peak Republican margin: R+37 in 1892MIT Election Lab

2024 results by constituent county

43 counties · 14 D · 29 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	−9.7%	179,555	219,105	408,941
2020	R	−8.2%	185,176	219,091	414,086
2016	R	−14.0%	140,247	190,747	359,488
2012	R	−7.1%	154,837	179,259	342,787
2008	R	−3.1%	156,528	166,562	328,569
2004	R	−11.7%	131,182	166,456	301,672
2000	R	−14.5%	99,252	136,030	254,133
1996	R	−0.6%	99,063	100,413	225,506
1992	D	+7.1%	94,507	78,297	227,005
1988	R	−3.4%	95,932	102,864	201,703
1984	R	−23.5%	74,199	120,401	197,022
1980	R	−22.5%	63,695	106,033	187,974
1976	R	−8.0%	75,904	89,584	170,597
1972	R	−26.1%	54,839	95,776	156,827
1968	R	−0.1%	68,085	68,229	149,721
1964	D	+30.8%	98,716	52,092	151,572
1960	R	−0.9%	77,627	79,048	157,557
1956	R	−18.1%	59,959	86,811	147,978
1952	R	−15.8%	61,833	85,347	148,551
1948	D	+16.7%	77,567	55,043	134,621
1944	D	+1.5%	62,423	60,624	123,459
1940	D	+3.1%	74,022	69,611	144,579
1936	D	+26.7%	79,563	45,237	128,616
1932	D	+23.6%	73,277	44,455	121,994
1928	R	−21.5%	41,402	64,457	107,395
1924	R	−22.6%	26,360	48,498	97,885
1920	R	−12.5%	36,184	47,089	87,145
1916	D	+27.7%	54,770	30,088	89,154
1912	D	+16.4%	37,469	23,263	86,389
1908	D	+1.1%	39,217	38,338	82,173
1904	R	−14.3%	31,308	42,338	76,914
1900	D	+14.5%	36,568	27,121	65,111
1896	D	+76.7%	50,177	6,373	57,098
1892	O	−37.2%	0	12,247	32,933
1888	R	−9.2%	13,464	16,293	30,685
1884	R	−6.5%	9,993	11,408	21,711
1880	D	+4.9%	6,645	6,020	12,755
1876	—	No data	—	—	—

Demographics

Race, ethnicity, and ancestry

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

German

16.8%

English

12.7%

Irish

10.9%

Italian

4.8%

American

3.8%

Scottish

2.8%

French

1.6%

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: 42.2 in this county, 39.1 nationally

Male

Age

Female

0.9%

85+

1.2%

2.8%

75–84

3.2%

6.4%

65–74

6.6%

6.5%

55–64

6.8%

5.9%

45–54

5.7%

6.7%

35–44

6.4%

25–34

5.9%

4.3%

18–24

3.8%

8.1%

5–17

7.5%

2.5%

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

Median household income

2024 inflation-adjusted dollars

$72,275

Congressional District 3 ranks near the middle of US counties.

Congressional District 3$72,275

Colorado$95,470

United States$80,734

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

Poverty rate

All persons below federal poverty line

12.4%

Children face moderate poverty.

Children under 1815.3%

Working age (18–64)11.9%

Seniors (65+)10.5%

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

Language at home

Population aged 5 and older

88.2%

speak English only

Spanish9.8%

Other Indo-European1.1%

Asian & Pacific Islander0.5%

Other languages0.3%

Source · ACS 5-year estimates, 2024.

Religious adherents

Adherents per capita by tradition

Other Christian

13.2%

Catholic & Orthodox

12.9%

Pentecostal & Holiness

2.4%

Baptist

2.2%

Mainline Protestant

2.1%

Methodist

1.1%

Non-Christian

1.1%

Source · 2020 US Religion Census. Remaining 64.8% of residents not counted as adherents by any reporting body.

Colorado 3rd Congressional District in the Rocky Mountain West has, for decades, voted very close to the way the country has voted. Its margins are typically narrow, and the candidate who carries Colorado 3rd Congressional District more often than not also wins the national popular vote.

The Democratic margin in Colorado 3rd Congressional District has rarely exceeded seventy-seven points in modern history; the Republican margin has rarely exceeded thirty-seven points. 2024 delivered the district to the Republican candidate by ten points.

Its demographics resemble the country more than they resemble most districts. A 76% non-Hispanic-white share, a 12% poverty rate, and a median household income of $72,275 — all within the broad national range.

Cite this page

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

Congressional District 3, Colorado — The Long Memory. Akashic Intelligence — The Long Memory. https://tiers.akashic.app/cd/0803/. Accessed May 20, 2026. License: CC BY 4.0.

License: CC BY 4.0

Frequently asked questions

How did Congressional District 3, Colorado vote in 2024?

In 2024, Congressional District 3, Colorado voted Republican by 9.7 points (R+10), carried by the Republican candidate. Out of 408,941 votes cast, 179,555 went Democratic and 219,105 went Republican.

What is Congressional District 3, Colorado's political archetype?

Akashic classifies Congressional District 3, Colorado as a "Bellwether" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 13 times, Republican 23 times, and other 1 times.

When did Congressional District 3, Colorado last vote Democratic?

The most recent presidential election in which Congressional District 3, Colorado voted Democratic was 1992.

How many people live in Congressional District 3, Colorado?

Congressional District 3, Colorado has a population of 734,242 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.

What is the median household income in Congressional District 3, Colorado?

Median household income in Congressional District 3, Colorado is $72,275 — below the national median of $80,734. The Colorado state median is $95,470.

What is the political history of Congressional District 3, Colorado?

Akashic tracks 38 presidential elections in Congressional District 3, Colorado from 1876 to 2024. Of those, 13 went Democratic and 23 went Republican. The district's archetype — "Bellwether" — captures the overall trajectory of that voting record.

Colorado 3rd Congressional District delivered R+10 in 2024.

Key facts

Demographics

Frequently asked questions