Maryland's 1st Congressional District election, 2026

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2024
Maryland's 1st Congressional District
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Democratic primary
Republican primary
General election
Election details
Filing deadline: February 24, 2026
Primary: June 23, 2026
General: November 3, 2026
How to vote
Poll times:

7 a.m. to 8 p.m.
Voting in Maryland

Race ratings
Cook Political Report: Solid Republican
DDHQ and The Hill: Pending
Inside Elections: Solid Republican
Sabato's Crystal Ball: Safe Republican
Ballotpedia analysis
U.S. Senate battlegrounds
U.S. House battlegrounds
Federal and state primary competitiveness
Ballotpedia's Election Analysis Hub, 2026
See also
Maryland's 1st Congressional District
1st2nd3rd4th5th6th7th8th
Maryland elections, 2026
U.S. Congress elections, 2026
U.S. Senate elections, 2026
U.S. House elections, 2026

All U.S. House districts, including the 1st Congressional District of Maryland, are holding elections in 2026. The general election is November 3, 2026. The primary is June 23, 2026. The filing deadline is February 24, 2026. For more information about the primaries in this election, click on the links below:

Candidates and election results

Note: The following list includes official candidates only. Ballotpedia defines official candidates as people who:

  • Register with a federal or state campaign finance agency before the candidate filing deadline
  • Appear on candidate lists released by government election agencies

General election

The primary will occur on June 23, 2026. The general election will occur on November 3, 2026. General election candidates will be added here following the primary.

Democratic primary election

Democratic primary for U.S. House Maryland District 1

Terrence Rogers, Dan Schwartz, George Walish, and Randi White are running in the Democratic primary for U.S. House Maryland District 1 on June 23, 2026.


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Republican primary election

Republican primary for U.S. House Maryland District 1

Incumbent Andrew Harris is running in the Republican primary for U.S. House Maryland District 1 on June 23, 2026.

Candidate
Image of Andrew Harris
Andrew Harris

Candidate Connection = candidate completed the Ballotpedia Candidate Connection survey.
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Candidate profiles

There are currently no candidate profiles created for this race. Candidate profiles will appear here as they are created. Encourage the candidates in this race to complete Ballotpedia's Candidate Connection survey so that their profile will appear here.

Voting information

See also: Voting in Maryland

Ballotpedia will publish the dates and deadlines related to this election as they are made available.

Ballotpedia's Candidate Connection survey responses

Ballotpedia asks all federal, state, and local candidates to complete a survey and share what motivates them on political and personal levels. Candidates are asked three required questions for this survey, but they may answer additional optional questions as well.

No candidate in this race has completed Ballotpedia's Candidate Connection survey. Ballotpedia is seeking 100 percent participation so voters can learn more about all the candidates on their ballots.

Campaign finance

Name Party Receipts* Disbursements** Cash on hand Date
Andrew Harris Republican Party $609,303 $325,344 $1,038,895 As of June 30, 2025
Terrence Rogers Democratic Party $0 $0 $0 Data not available***
Dan Schwartz Democratic Party $101,971 $45,222 $56,749 As of June 30, 2025
George Walish Democratic Party $0 $0 $0 Data not available***
Randi White Democratic Party $0 $0 $0 Data not available***

Source: Federal Elections Commission, "Campaign finance data," 2026. This product uses the openFEC API but is not endorsed or certified by the Federal Election Commission (FEC).

* According to the FEC, "Receipts are anything of value (money, goods, services or property) received by a political committee."
** According to the FEC, a disbursement "is a purchase, payment, distribution, loan, advance, deposit or gift of money or anything of value to influence a federal election," plus other kinds of payments not made to influence a federal election.
*** Candidate either did not report any receipts or disbursements to the FEC, or Ballotpedia did not find an FEC candidate ID.

General election race ratings

See also: Race rating definitions and methods

Ballotpedia provides race ratings from four outlets: The Cook Political Report, Inside Elections, Sabato's Crystal Ball, and DDHQ/The Hill. Each race rating indicates if one party is perceived to have an advantage in the race and, if so, the degree of advantage:

  • Safe and Solid ratings indicate that one party has a clear edge and the race is not competitive.
  • Likely ratings indicate that one party has a clear edge, but an upset is possible.
  • Lean ratings indicate that one party has a small edge, but the race is competitive.[1]
  • Toss-up ratings indicate that neither party has an advantage.

Race ratings are informed by a number of factors, including polling, candidate quality, and election result history in the race's district or state.[2][3][4]

Race ratings: Maryland's 1st Congressional District election, 2026
Race trackerRace ratings
10/14/202510/7/20259/30/20259/23/2025
The Cook Political Report with Amy WalterSolid RepublicanSolid RepublicanSolid RepublicanSolid Republican
Decision Desk HQ and The HillPendingPendingPendingPending
Inside Elections with Nathan L. GonzalesSolid RepublicanSolid RepublicanSolid RepublicanSolid Republican
Larry J. Sabato's Crystal BallSafe RepublicanSafe RepublicanSafe RepublicanSafe Republican
Note: Ballotpedia reviews external race ratings every week throughout the election season and posts weekly updates even if the media outlets have not revised their ratings during that week.

Ballot access

This section will contain information on ballot access related to this state's elections when it is available.

District history

The section below details election results for this office in elections dating back to 2020.

2024

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

Maryland's 1st Congressional District election, 2024 (May 14 Republican primary)

Maryland's 1st Congressional District election, 2024 (May 14 Democratic primary)

General election

General election for U.S. House Maryland District 1

Incumbent Andrew Harris defeated Blane Miller III and Joshua O'Brien in the general election for U.S. House Maryland District 1 on November 5, 2024.

Candidate
%
Votes
Image of Andrew Harris
Andrew Harris (R)
 
59.6
 
246,356
Image of Blane Miller III
Blane Miller III (D)
 
37.5
 
154,985
Image of Joshua O'Brien
Joshua O'Brien (L)
 
2.7
 
11,053
 Other/Write-in votes
 
0.2
 
675

Total votes: 413,069
Candidate Connection = 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

Democratic primary election

Democratic primary for U.S. House Maryland District 1

Blane Miller III defeated Blessing Oluwadare in the Democratic primary for U.S. House Maryland District 1 on May 14, 2024.

Candidate
%
Votes
Image of Blane Miller III
Blane Miller III
 
60.8
 
26,845
Image of Blessing Oluwadare
Blessing Oluwadare Candidate Connection
 
39.2
 
17,289

Total votes: 44,134
Candidate Connection = 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

Republican primary election

Republican primary for U.S. House Maryland District 1

Incumbent Andrew Harris defeated Christopher Bruneau and Michael Lemon in the Republican primary for U.S. House Maryland District 1 on May 14, 2024.

Candidate
%
Votes
Image of Andrew Harris
Andrew Harris
 
77.4
 
57,010
Image of Christopher Bruneau
Christopher Bruneau Candidate Connection
 
16.2
 
11,946
Image of Michael Lemon
Michael Lemon Candidate Connection
 
6.4
 
4,714

Total votes: 73,670
Candidate Connection = 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

2022

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

General election

General election for U.S. House Maryland District 1

Incumbent Andrew Harris defeated Heather Mizeur and Daniel Thibeault in the general election for U.S. House Maryland District 1 on November 8, 2022.

Candidate
%
Votes
Image of Andrew Harris
Andrew Harris (R)
 
54.4
 
159,673
Image of Heather Mizeur
Heather Mizeur (D) Candidate Connection
 
43.1
 
126,511
Image of Daniel Thibeault
Daniel Thibeault (L)
 
2.4
 
6,924
 Other/Write-in votes
 
0.1
 
250

Total votes: 293,358
Candidate Connection = 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

Democratic primary election

Democratic primary for U.S. House Maryland District 1

Heather Mizeur defeated Dave Harden in the Democratic primary for U.S. House Maryland District 1 on July 19, 2022.

Candidate
%
Votes
Image of Heather Mizeur
Heather Mizeur Candidate Connection
 
68.8
 
34,549
Image of Dave Harden
Dave Harden Candidate Connection
 
31.2
 
15,683

Total votes: 50,232
Candidate Connection = 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

Republican primary election

Republican primary for U.S. House Maryland District 1

Incumbent Andrew Harris advanced from the Republican primary for U.S. House Maryland District 1 on July 19, 2022.

Candidate
%
Votes
Image of Andrew Harris
Andrew Harris
 
100.0
 
67,933

Total votes: 67,933
Candidate Connection = candidate completed the Ballotpedia Candidate Connection survey.
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2020

See also: Maryland's 1st Congressional District election, 2020

General election

General election for U.S. House Maryland District 1

Incumbent Andrew Harris defeated Mia Mason in the general election for U.S. House Maryland District 1 on November 3, 2020.

Candidate
%
Votes
Image of Andrew Harris
Andrew Harris (R)
 
63.4
 
250,901
Image of Mia Mason
Mia Mason (D) Candidate Connection
 
36.4
 
143,877
 Other/Write-in votes
 
0.2
 
746

Total votes: 395,524
Candidate Connection = 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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Democratic primary election

Democratic primary for U.S. House Maryland District 1

Mia Mason defeated Allison Galbraith (Unofficially withdrew) and Jennifer Pingley in the Democratic primary for U.S. House Maryland District 1 on June 2, 2020.

Candidate
%
Votes
Image of Mia Mason
Mia Mason Candidate Connection
 
42.8
 
25,772
Image of Allison Galbraith
Allison Galbraith (Unofficially withdrew)
 
37.2
 
22,386
Jennifer Pingley
 
20.0
 
12,040

Total votes: 60,198
Candidate Connection = 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

Republican primary election

Republican primary for U.S. House Maryland District 1

Incumbent Andrew Harris defeated Jorge Delgado in the Republican primary for U.S. House Maryland District 1 on June 2, 2020.

Candidate
%
Votes
Image of Andrew Harris
Andrew Harris
 
81.6
 
72,265
Jorge Delgado
 
18.4
 
16,281

Total votes: 88,546
Candidate Connection = 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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District analysis

This section will contain facts and figures related to this district's elections when those are available.

See also

Maryland 2026 primaries 2026 U.S. Congress elections
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Ballot access

External links

Footnotes

  1. Inside Elections also uses Tilt ratings to indicate an even smaller advantage and greater competitiveness.
  2. Amee LaTour, "Email correspondence with Nathan Gonzalez," April 19, 2018
  3. Amee LaTour, "Email correspondence with Kyle Kondik," April 19, 2018
  4. Amee LaTour, "Email correspondence with Charlie Cook," April 22, 2018


Senators
Representatives
District 1
District 2
District 3
District 4
District 5
District 6
District 7
District 8
Democratic Party (9)
Republican Party (1)