Colorado's 1st Congressional District

Colorado's 1st Congressional District

Incumbent

Diana DeGette

Assumed office: January 3, 1997

Colorado's 1st Congressional District in the United States House of Representatives is represented by Diana DeGette (D).

As of the 2020 Census, Colorado representatives represented an average of 722,771 residents. After the 2010 Census, each member represented 720,704 residents.

Elections

• 2030
• 2028
• 2026
• 2024
• 2022
• 2020
• 2018

See also: Colorado's 1st Congressional District election, 2030

There are no official candidates yet for this election.

See also: Colorado's 1st Congressional District election, 2028

There are no official candidates yet for this election.

See also: Colorado's 1st Congressional District election, 2026

General election

The primary will occur on June 30, 2026. The general election will occur on November 3, 2026. General election candidates will be added here following the primary.

Democratic primary

Democratic primary for U.S. House Colorado District 1

The following candidates are running in the Democratic primary for U.S. House Colorado District 1 on June 30, 2026.

		Candidate
		Diana DeGette
	Submit photo	Carter Hanson
		Wanda James
		Melat Kiros
		Christopher Oldfield
	Submit photo	Santiago Palomino
		Tiffany Rodgers

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	Incumbents are bolded and underlined.
= candidate completed the Ballotpedia Candidate Connection survey.
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Withdrawn or disqualified candidates

• Olivia Miller (D)

See also: Colorado's 1st Congressional District election, 2024

General election

General election for U.S. House Colorado District 1

The following candidates ran in the general election for U.S. House Colorado District 1 on November 5, 2024.

		Candidate	%	Votes
✔		Diana DeGette (D)	76.5	264,606
		Valdamar Archuleta (R)	21.6	74,598
		Critter Milton (Unity Party)	1.2	4,084
		Daniel Lutz (Approval Voting Party)	0.7	2,351
		Charles Norris (D) (Write-in)	0.0	88
	Submit photo	John R. Johnson (Unaffiliated) (Write-in)	0.0	8

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	Incumbents are bolded and underlined. The results have been certified. Source	Total votes: 345,735
= candidate completed the Ballotpedia Candidate Connection survey.
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Withdrawn or disqualified candidates

• Morton Brooks (Approval Voting Party)
• Dom Waters (Unity Party)

Democratic primary

Democratic primary for U.S. House Colorado District 1

Incumbent Diana DeGette (D) defeated John Wren (D) in the Democratic primary for U.S. House Colorado District 1 on June 25, 2024.

		Candidate	%	Votes
✔		Diana DeGette	99.8	78,548
	Submit photo	John Wren (Write-in)	0.2	130

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	Incumbents are bolded and underlined. The results have been certified. Source 1 Source 2	Total votes: 78,678
= candidate completed the Ballotpedia Candidate Connection survey.
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Republican primary

Republican primary for U.S. House Colorado District 1

Valdamar Archuleta (R) advanced from the Republican primary for U.S. House Colorado District 1 on June 25, 2024.

		Candidate	%	Votes
✔		Valdamar Archuleta	100.0	11,421

---

	There were no incumbents in this race. The results have been certified. Source	Total votes: 11,421
= candidate completed the Ballotpedia Candidate Connection survey.
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Withdrawn or disqualified candidates

• Lawrence Davis (R)

See also: Colorado's 1st Congressional District election, 2022

General election

General election for U.S. House Colorado District 1

Incumbent Diana DeGette (D) defeated Jennifer Qualteri (R), John Kittleson (L), and Iris Boswell (G) in the general election for U.S. House Colorado District 1 on November 8, 2022.

		Candidate	%	Votes
✔		Diana DeGette (D)	80.3	226,929
		Jennifer Qualteri (R)	17.5	49,529
	Submit photo	John Kittleson (L)	2.2	6,157
	Submit photo	Iris Boswell (G) (Write-in)	0.0	70

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	Incumbents are bolded and underlined. The results have been certified. Source	Total votes: 282,685
= candidate completed the Ballotpedia Candidate Connection survey.
If you are a candidate and would like to tell readers and voters more about why they should vote for you, complete the Ballotpedia Candidate Connection Survey.
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Withdrawn or disqualified candidates

• Steven Childs (L)
• Dom Waters (Unity Party)

Democratic primary

Democratic primary for U.S. House Colorado District 1

Incumbent Diana DeGette (D) defeated Neal Walia (D) in the Democratic primary for U.S. House Colorado District 1 on June 28, 2022.

		Candidate	%	Votes
✔		Diana DeGette	81.1	79,391
		Neal Walia	18.9	18,472

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	Incumbents are bolded and underlined. The results have been certified. Source	Total votes: 97,863
= candidate completed the Ballotpedia Candidate Connection survey.
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Withdrawn or disqualified candidates

• Dom Waters (D)

Republican primary

Republican primary for U.S. House Colorado District 1

Jennifer Qualteri (R) advanced from the Republican primary for U.S. House Colorado District 1 on June 28, 2022.

		Candidate	%	Votes
✔		Jennifer Qualteri	100.0	18,568

---

	There were no incumbents in this race. The results have been certified. Source	Total votes: 18,568
= candidate completed the Ballotpedia Candidate Connection survey.
If you are a candidate and would like to tell readers and voters more about why they should vote for you, complete the Ballotpedia Candidate Connection Survey.
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See also: Colorado's 1st Congressional District election, 2020

General election

General election for U.S. House Colorado District 1

Incumbent Diana DeGette (D) defeated Shane Bolling (R), Kyle Furey (L), Paul Fiorino (Unity Party), and Jan Kok (Approval Voting Party) in the general election for U.S. House Colorado District 1 on November 3, 2020.

		Candidate	%	Votes
✔		Diana DeGette (D)	73.6	331,621
		Shane Bolling (R)	23.5	105,955
	Submit photo	Kyle Furey (L)	1.9	8,749
		Paul Fiorino (Unity Party)	0.6	2,524
		Jan Kok (Approval Voting Party)	0.3	1,441

---

	Incumbents are bolded and underlined. The results have been certified. Source	Total votes: 450,290
= candidate completed the Ballotpedia Candidate Connection survey.
If you are a candidate and would like to tell readers and voters more about why they should vote for you, complete the Ballotpedia Candidate Connection Survey.
Do you want a spreadsheet of this type of data? Contact our sales team.

Withdrawn or disqualified candidates

• Joseph Camp (Independent)

Democratic primary

Democratic primary for U.S. House Colorado District 1

Incumbent Diana DeGette (D) advanced from the Democratic primary for U.S. House Colorado District 1 on June 30, 2020.

		Candidate	%	Votes
✔		Diana DeGette	100.0	187,341

---

	Incumbents are bolded and underlined. The results have been certified. Source	Total votes: 187,341
= candidate completed the Ballotpedia Candidate Connection survey.
If you are a candidate and would like to tell readers and voters more about why they should vote for you, complete the Ballotpedia Candidate Connection Survey.
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Withdrawn or disqualified candidates

• Crisanta Duran (D)
• Meghan Pratschler (D)
• Gabrielle Watson (D)
• Charlie Madison Winters (D)

Republican primary

Republican primary for U.S. House Colorado District 1

Shane Bolling (R) advanced from the Republican primary for U.S. House Colorado District 1 on June 30, 2020.

		Candidate	%	Votes
✔		Shane Bolling	100.0	32,176

---

	There were no incumbents in this race. The results have been certified. Source	Total votes: 32,176
= candidate completed the Ballotpedia Candidate Connection survey.
If you are a candidate and would like to tell readers and voters more about why they should vote for you, complete the Ballotpedia Candidate Connection Survey.
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Libertarian Party convention

Libertarian convention for U.S. House Colorado District 1

Kyle Furey (L) advanced from the Libertarian Party convention for U.S. House Colorado District 1 on April 13, 2020.

		Candidate
✔	Submit photo	Kyle Furey

---

	There were no incumbents in this race. The results have been certified.
= candidate completed the Ballotpedia Candidate Connection survey.
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Unity Party convention

Unity convention for U.S. House Colorado District 1

Paul Fiorino (Unity Party) advanced from the Unity Party convention for U.S. House Colorado District 1 on April 4, 2020.

		Candidate
✔		Paul Fiorino

---

	There were no incumbents in this race. The results have been certified. Source
= candidate completed the Ballotpedia Candidate Connection survey.
If you are a candidate and would like to tell readers and voters more about why they should vote for you, complete the Ballotpedia Candidate Connection Survey.
Do you want a spreadsheet of this type of data? Contact our sales team.

See also: United States House of Representatives elections in Colorado, 2018

General election

General election for U.S. House Colorado District 1

Incumbent Diana DeGette (D) defeated Casper Stockham (R) and Raymon Doane (L) in the general election for U.S. House Colorado District 1 on November 6, 2018.

		Candidate	%	Votes
✔		Diana DeGette (D)	73.8	272,886
		Casper Stockham (R)	23.0	85,207
		Raymon Doane (L)	3.1	11,600
		Other/Write-in votes	0.0%	22

---

	Incumbents are bolded and underlined. The results have been certified. Source	Total votes: 369,715 (100% precincts reporting)
= candidate completed the Ballotpedia Candidate Connection survey.
If you are a candidate and would like to tell readers and voters more about why they should vote for you, complete the Ballotpedia Candidate Connection Survey.
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Withdrawn or disqualified candidates

• Paul Daly (Independent)

Democratic primary

Democratic primary for U.S. House Colorado District 1

Incumbent Diana DeGette (D) defeated Saira Rao (D) in the Democratic primary for U.S. House Colorado District 1 on June 26, 2018.

		Candidate	%	Votes
✔		Diana DeGette	68.2	91,102
		Saira Rao	31.8	42,398

---

	Incumbents are bolded and underlined. The results have been certified.	Total votes: 133,500
= candidate completed the Ballotpedia Candidate Connection survey.
If you are a candidate and would like to tell readers and voters more about why they should vote for you, complete the Ballotpedia Candidate Connection Survey.
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Withdrawn or disqualified candidates

• David Sedbrook (D)

Republican primary

Republican primary for U.S. House Colorado District 1

Casper Stockham (R) advanced from the Republican primary for U.S. House Colorado District 1 on June 26, 2018.

		Candidate
✔		Casper Stockham

---

	There were no incumbents in this race. The results have been certified.
= candidate completed the Ballotpedia Candidate Connection survey.
If you are a candidate and would like to tell readers and voters more about why they should vote for you, complete the Ballotpedia Candidate Connection Survey.
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Withdrawn or disqualified candidates

• John Field (R)

Previous election results

2016

See also: Colorado's 1st Congressional District election, 2016

Heading into the election, Ballotpedia rated this race as safely Democratic. Incumbent Diana DeGette (D) defeated Casper Stockham (R) and Darrell Dinges (L) in the general election on November 8, 2016. DeGette defeated Charles Norris in the Democratic primary on June 28, 2016, while Stockham faced no primary opponent.

U.S. House, Colorado District 1 General Election, 2016

Party		Candidate	Vote %	Votes
	Democratic	Diana DeGette Incumbent	67.9%	257,254
	Republican	Casper Stockham	27.7%	105,030
	Libertarian	Darrell Dinges	4.4%	16,752
Total Votes				379,036
Source: Colorado Secretary of State

U.S. House, Colorado, District 1 Democratic Primary, 2016

Candidate	Vote %	Votes
Diana DeGette Incumbent	86.4%	55,925
Charles Norris	13.6%	8,770
Total Votes		64,695
Source: Colorado Secretary of State

2014

See also: Colorado's 1st Congressional District elections, 2014

The 1st Congressional District of Colorado held an election for the U.S. House of Representatives on November 4, 2014. Incumbent Diana DeGette (D) defeated Martin Walsh (R), Frank Atwood (L) and Danny Stroud (I) in the general election.

U.S. House, Colorado District 1 General Election, 2014

Party		Candidate	Vote %	Votes
	Democratic	Diana DeGette Incumbent	65.8%	183,281
	Republican	Martin Walsh	29%	80,682
	Libertarian	Frank Atwood	3.3%	9,292
	Independent	Danny Stroud	1.9%	5,236
Total Votes				278,491
Source: Colorado Secretary of State

2012

See also: Colorado's 1st Congressional District elections, 2012

The 1st Congressional District of Colorado held an election for the U.S. House of Representatives on November 6, 2012. Incumbent Diana DeGette won re-election in the district.

U.S. House, Colorado District 1 General Election, 2012

Party		Candidate	Vote %	Votes
	Democratic	Diana DeGette Incumbent	68.2%	237,579
	Republican	Danny Stroud	26.8%	93,217
	Libertarian	Frank Atwood	3.6%	12,585
	Green	Gary Swing	1.4%	4,829
Total Votes				348,210
Source: Colorado Secretary of State "Official Election Results, 2012 General Election"

2010
On November 2, 2010, Diana DeGette won re-election to the United States House. She defeated Mike Fallon (R), Gary Swing (G), Clint Jones (L) and Chris Styskal (American Constitution) in the general election.

U.S. House, Colorado District 1 General Election, 2010
Party		Candidate	Vote %	Votes
	Democratic	Diana DeGette incumbent	67.4%	140,073
	Republican	Mike Fallon	28.8%	59,747
	Green	Gary Swing	1.4%	2,923
	Libertarian	Clint Jones	1.4%	2,867
	American Constitution	Chris Styskal	1%	2,141
Total Votes				207,751

2008
On November 4, 2008, Diana DeGette won re-election to the United States House. She defeated George Lilly (R), Martin Buchanan (L) and Gary Swing (Write-in) in the general election.

U.S. House, Colorado District 1 General Election, 2008
Party		Candidate	Vote %	Votes
	Democratic	Diana DeGette incumbent	71.9%	203,755
	Republican	George Lilly	23.8%	67,345
	Libertarian	Martin Buchanan	4.3%	12,135
	Write-in	Gary Swing	0%	11
Total Votes				283,246

2006
On November 7, 2006, Diana DeGette won re-election to the United States House. She defeated Thomas Kelly (G) in the general election.

U.S. House, Colorado District 1 General Election, 2006
Party		Candidate	Vote %	Votes
	Democratic	Diana DeGette incumbent	79.8%	129,446
	Green	Thomas Kelly	20.2%	32,825
Total Votes				162,271

2004
On November 2, 2004, Diana DeGette won re-election to the United States House. She defeated Roland Chicas (R) and George Lilly (American Constitution) in the general election.

U.S. House, Colorado District 1 General Election, 2004
Party		Candidate	Vote %	Votes
	Democratic	Diana DeGette incumbent	73.5%	177,077
	Republican	Roland Chicas	24.3%	58,659
	American Constitution	George Lilly	2.2%	5,193
Total Votes				240,929

2002
On November 5, 2002, Diana DeGette won re-election to the United States House. She defeated Ken Chlouber (R), Ken Seaman (G), Kent Leondard (L) and George Lilly (American Constitution) in the general election.

U.S. House, Colorado District 1 General Election, 2002
Party		Candidate	Vote %	Votes
	Democratic	Diana DeGette incumbent	66.3%	111,718
	Republican	Ken Chlouber	29.6%	49,884
	Green	Ken Seaman	1.9%	3,209
	Libertarian	Kent Leondard	1.5%	2,584
	American Constitution	George Lilly	0.7%	1,169
	N/A	Write-in	0%	18
Total Votes				168,582

2000
On November 7, 2000, Diana DeGette won re-election to the United States House. She defeated Jesse Thomas (R), Richard Combs (L) and Lyle Nasser (Reform) in the general election.

U.S. House, Colorado District 1 General Election, 2000
Party		Candidate	Vote %	Votes
	Democratic	Diana DeGette incumbent	68.7%	141,831
	Republican	Jesse Thomas	27.3%	56,291
	Libertarian	Richard Combs	2.8%	5,852
	Reform	Lyle Nasser	1.2%	2,452
	N/A	Write-in	0%	8
Total Votes				206,434

1998
On November 3, 1998, Diana DeGette won re-election to the United States House. She defeated Nancy McClanahan (R) and Richard Combs (L) in the general election.

U.S. House, Colorado District 1 General Election, 1998
Party		Candidate	Vote %	Votes
	Democratic	Diana DeGette incumbent	66.9%	116,628
	Republican	Nancy McClanahan	30.1%	52,452
	Libertarian	Richard Combs	3%	5,225
Total Votes				174,305

1996
On November 5, 1996, Diana DeGette won election to the United States House. She defeated Joe Rogers (R) and Richard Combs (L) in the general election.

U.S. House, Colorado District 1 General Election, 1996
Party		Candidate	Vote %	Votes
	Democratic	Diana DeGette	56.9%	112,631
	Republican	Joe Rogers	40.2%	79,540
	Libertarian	Richard Combs	2.9%	5,668
Total Votes				197,839

1994
On November 8, 1994, Patricia Schroeder won re-election to the United States House. She defeated William Eggert (R) in the general election.

U.S. House, Colorado District 1 General Election, 1994
Party		Candidate	Vote %	Votes
	Democratic	Patricia Schroeder incumbent	60%	93,123
	Republican	William Eggert	39.9%	61,978
	N/A	Write-in	0.1%	154
Total Votes				155,255

1992
On November 3, 1992, Patricia Schroeder won re-election to the United States House. She defeated Raymond Diaz Aragon (R) in the general election.

U.S. House, Colorado District 1 General Election, 1992
Party		Candidate	Vote %	Votes
	Democratic	Patricia Schroeder incumbent	68.8%	156,629
	Republican	Raymond Diaz Aragon	31.2%	70,902
Total Votes				227,531

1990
On November 6, 1990, Patricia Schroeder won re-election to the United States House. She defeated Gloria Gonzales Roemer (R) in the general election.

U.S. House, Colorado District 1 General Election, 1990
Party		Candidate	Vote %	Votes
	Democratic	Patricia Schroeder incumbent	63.7%	82,176
	Republican	Gloria Gonzales Roemer	36.3%	46,802
Total Votes				128,978

District map

Redistricting

2020-2021

See also: Redistricting in Colorado after the 2020 census

On November 1, 2021, the Colorado Supreme Court approved the congressional redistricting plan that the state's Independent Congressional Redistricting Commission approved on September 28, 2021. Colorado was apportioned eight seats in the U.S. House of Representatives after the 2020 census, a net gain of one seat as compared to apportionment after the 2010 census. This map took effect for Colorado’s 2022 congressional elections.

The Denver Post's Alex Burness said that the approved map "gives comfortable advantages to each of Colorado’s seven incumbent members of Congress" and that the newly created 8th District would be competitive based on recent results.

How does redistricting in Colorado work? On November 6, 2018, Colorado voters approved two constitutional amendments, Amendment Y and Amendment Z, establishing separate non-politician commissions for congressional and state legislative redistricting. Each commission consists of four members belonging to the state's largest political party, four members belonging to the state's second-largest party, and four members belonging to no party. Commission members are appointed by a panel of three judges selected by the Chief Justice of the Colorado Supreme Court. The amendment requires at least eight of the commission's 12 members, including at least two members not belonging to any political party, to approve a map.

The Colorado Constitution requires that state legislative district boundaries "be contiguous, and that they be as compact as possible based on their total perimeter." In addition, "to the extent possible, districts must also preserve the integrity of counties, cities, towns and–where doing so does not conflict with other goals–communities of interest." There are no similar requirements for congressional districts.

2020

2024

2010-2011

This is the 1st Congressional District of Colorado after the 2001 redistricting process.

See also: Redistricting in Colorado after the 2010 census

In 2011, the Colorado State Legislature re-drew the congressional districts based on updated population information from the 2010 census.

District analysis

See also: The Cook Political Report's Partisan Voter Index

See also: FiveThirtyEight's elasticity scores

2026

Heading into the 2026 elections, based on results from the 2024 and 2020 presidential elections, the Cook Partisan Voter Index for this district is D+29. This meant that in those two presidential elections, this district's results were 29 percentage points more Democratic than the national average. This made Colorado's 1st the 16th most Democratic district nationally.

2024

Heading into the 2024 elections, based on results from the 2020 and 2016 presidential elections, the Cook Partisan Voter Index for this district was D+29. This meant that in those two presidential elections, this district's results were 29 percentage points more Democratic than the national average. This made Colorado's 1st the 22nd most Democratic district nationally.

Daily Kos calculated what the results of the 2020 presidential election in this district would have been following redistricting. Joe Biden (D) would have defeated Donald Trump (R) 79.5%-18.2%.

2022

Heading into the 2022 elections, based on results from the 2020 and 2016 presidential elections, the Cook Partisan Voter Index for this district was D+29. This meant that in those two presidential elections, this district's results were 29 percentage points more Democratic than the national average. This made Colorado's 1st the 22nd most Democratic district nationally.

Daily Kos calculated what the results of the 2020 presidential election in this district would have been following redistricting. Joe Biden (D) would have received 79.5% of the vote in this district and Donald Trump (R) would have received 18.2%.

2018

Heading into the 2018 elections, based on results from the 2016 and 2012 presidential elections, the Cook Partisan Voter Index for this district was D+21. This meant that in those two presidential elections, this district's results were 21 percentage points more Democratic than the national average. This made Colorado's 1st Congressional District the 59th most Democratic nationally.

FiveThirtyEight's September 2018 elasticity score for states and congressional districts measured "how sensitive it is to changes in the national political environment." This district's elasticity score was 0.97. This means that for every 1 point the national political mood moved toward a party, the district was expected to move 0.97 points toward that party.

See also

• Redistricting in Colorado
• Colorado's 1st Congressional District election, 2024
• Colorado's 1st Congressional District election, 2022
• Colorado's 1st Congressional District election, 2020
• Colorado's 1st Congressional District election, 2018

External links

• GovTrack District 1

Footnotes

[show]

Colorado's current delegation to the United States Congress

Senators

Michael Bennet (D)

John Hickenlooper (D)

Representatives

District 1

Diana DeGette (D)

District 2

Joe Neguse (D)

District 3

Jeff Hurd (R)

District 4

Lauren Boebert (R)

District 5

Jeff Crank (R)

District 6

Jason Crow (D)

District 7

Brittany Pettersen (D)

District 8

Gabe Evans (R)

Democratic Party (6)

Republican Party (4)