akashic
1876–2024
Congressional District 1·Colorado

Colorado 1st Congressional District moved 6 points toward the Republican candidate between 2020 and 2024.

Denver's urban core anchors one of the nation's most Democratic districts

20082024·5 elections
CO
LatestD+56in 2024
TypologyDiversifying Metrocluster typology
Population718,1312024 ACS

Colorado 1st Congressional District: Diversifying Metro district. In 2024, voted D+56%. Democratic peak: D+61 in 2020.

Key facts

2024 presidential margin
D+56MIT Election Lab
Political typology
Diversifying MetroAkashic 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+61 in 2020MIT Election Lab
DW-NOMINATE
Member ideology
D
DEGETTE, DianaCongress 119 · Democratic
DW-NOMINATE first-dimension (economic) score-0.43 sits at approximately the 28th percentile.0-0.43−1 liberal+1 conservative
DEGETTE scores -0.43 on the first NOMINATE dimension (−1 most liberal, +1 most 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).
Congressional District 1
HarrisD+56
2024 presidential margin by county for Congressional District 1, COA map of the constituent counties of Congressional District 1, CO, each outlined and filled by its 2024 presidential margin from deep red (Republican) through neutral to deep blue (Democratic).Denver County, CO · D+56Arapahoe County, CO · D+20
How it voted
Share of the 2024 vote
Kamala HarrisDemocratic76.5%280,704
Donald TrumpRepublican20.6%75,510
OtherAll other candidates2.9%10,657
D+60
R+60
2 counties, each filled by 2024 D-vs-R margin. Hover any county for its result.
Districts are drawn from fractional county slices; this map shows the whole counties that overlap the district. District boundaries: TIGER 2024.
presidential history
Presidential margin, 2008–2024
Democratic minus Republican, by election
Presidential margin over timeDemocratic-minus-Republican presidential margin from 2008 to 2024. Most recent: +55.9% in 2024.+55.9%DR20082024
Presidential margin over time
YearMargin (D minus R)
2008+52.2%
2012+50.4%
2016+54.7%
2020+61.5%
2024+55.9%
DemocraticRepublican
Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonMarginDemocraticRepublicanTotal
D
+55.9%
280,70475,510366,871
D
+61.5%
315,95872,402396,083
D
+54.7%
246,63063,463334,976
D
+50.4%
222,61673,392296,008
D
+52.2%
206,22563,201273,884

U.S. Senate

Source · MIT Election Lab (MEDSL), Senate. CC-BY 4.0.
YearWonD %R %Total
2022D55.9%41.3%2,500,201
2020D53.5%44.2%3,235,790
2016D50.0%44.3%2,743,023
2014R46.3%48.2%2,041,058
2010D48.1%46.4%1,772,286
2008D52.8%42.5%2,331,621
2004D51.3%46.5%2,107,472
2002R45.8%50.7%1,416,082
1998R35.0%62.5%1,327,235
1996R45.7%51.4%1,459,601
1992D51.8%42.7%1,552,289
1990R41.7%55.7%1,022,027
1986D49.9%48.4%1,060,765
1984R34.6%64.2%1,297,809
1980D50.3%48.7%1,173,142
1978R40.3%58.7%819,256

Demographics

2024 ACS
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.
2024 ACS
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.
2020 religion census
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.

Across the recorded series it reached a Democratic high of sixty-one points in 2020. Between 2020 and 2024 the district moved six points toward the Republican candidate; the 2024 margin was fifty-six points.

A population of 718,131, a 59% non-Hispanic-white share, and a median household income of $94,726 describe the district.

Compare two places, side by side

Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →

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 55.9 points (D+56), carried by the Democratic candidate. Out of 366,871 votes cast, 280,704 went Democratic and 75,510 went Republican.
What is Congressional District 1, Colorado's political typology?
Akashic places Congressional District 1, Colorado in the "Diversifying Metro" typology. The typology is a data-driven cluster built from vote share, vote swing, race and ethnicity, income, language spoken at home, religion, and ancestry. Across 5 elections in the dataset, the district has voted Democratic 5 times, Republican 0 times, and other 0 times.
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 5 presidential elections in Congressional District 1, Colorado from 2008 to 2024. Of those, 5 went Democratic and 0 went Republican. The district's typology — "Diversifying Metro" — captures where that record, its demographics, and its recent swing place it among American communities.