The 2010 congressional elections in Maryland were held on November 2, 2010, to determine who will represent the state of Maryland in the United States House of Representatives. Maryland has eight seats in the House, apportioned according to the 2000 United States census. Representatives are elected for two-year terms; those elected served in the 112th Congress from January 3, 2011, until January 3, 2013. The party primaries were held September 14, 2010.

As of 2024, this is the last time that Republicans won more than one congressional district in Maryland.

Overview

United States House of Representatives elections in Maryland, 2010
PartySeatsGainsLossesNet gain/lossSeats %Votes %Votes+/−
Democratic601–175%60.48%1,104,056-6.67%
Republican210+125%36.94%674,246+6.41%
Libertarian0000—2.03%37,099+0.12%
Constitution0000—0.45%8,237+0.45%
Other parties0000—0.10%1,834-0.03%
Totals811—100%100%1,825,472

By district

Results of the 2010 United States House of Representatives elections in Maryland by district:

DistrictDemocraticRepublicanOthersTotalResult
Votes%Votes%Votes%Votes%
District 1120,40041.98%155,11854.08%11,2943.94%286,812100.0%Republican gain
District 2134,13364.21%69,52333.28%5,2482.51%208,904100.0%Democratic hold
District 3147,44861.07%86,94736.01%7,0342.91%241,429100.0%Democratic hold
District 4160,22883.44%31,46716.39%3250.17%192,020100.0%Democratic hold
District 5155,11064.26%83,57534.62%2,6981.12%241,383100.0%Democratic hold
District 680,45533.22%148,82061.45%12,9145.33%242,189100.0%Republican hold
District 7152,66975.18%46,37522.84%4,0241.98%203,068100.0%Democratic hold
District 8153,61373.27%52,42125.00%3,6331.73%209,667100.0%Democratic hold
Total1,104,05660.48%674,24636.94%47,1702.58%1,825,472100.0%

District 1

The district encompasses the entire Eastern Shore of Maryland, as well as parts of Anne Arundel, Baltimore and Harford Counties.

Incumbent Democrat Frank Kratovil ran for re-election against Republican State Senator Andy Harris. Libertarian Richard Davis and Independent Jack Wilson also ran.

Polling

Poll sourceDates administeredFrank Kratovil (D)Andy Harris (R)Richard Davis (L)OtherUndecided
Baltimore Sun/OpinionWorksOctober 15–20, 201040%40%——14%
Monmouth UniversityOctober 16–19, 201042%53%——5%
The Hill/ANGAOctober 5, 201040%43%—1%15%
OnMessage Inc.September 20–21, 201039%43%———
Garin-Hart-Yang Research Group†September 12–13, 201045%39%———
Garin-Hart-Yang Research Group†June 15–16, 201044%39%——17%
Public Opinion StrategiesApril 25–26, 201036%39%6%1%18%
Tarrance GroupNovember 15–17, 200939%52%———

† Internal poll for Kratovil campaign

Predictions

SourceRankingAs of
The Cook Political ReportLean R (flip)November 1, 2010
RothenbergLean R (flip)November 1, 2010
Sabato's Crystal BallLean R (flip)November 1, 2010
RCPLean R (flip)November 1, 2010
CQ PoliticsLean R (flip)October 28, 2010
New York TimesLean R (flip)November 1, 2010
FiveThirtyEightLikely R (flip)November 1, 2010
Maryland's 1st Congressional District: 2010
PartyCandidateVotes%±%
RepublicanAndy Harris155,11854.08%+5.75
DemocraticFrank Kratovil (incumbent)120,40041.98%−7.14
LibertarianRichard Davis10,8763.79%+1.33
No partyWrite-ins4180.15%
Total votes286,812100.00
Republican gain from Democratic

District 2

The district comprises parts of Harford, Baltimore, and Anne Arundel Counties, as well as small portions of the City of Baltimore, and has been represented by Democrat Dutch Ruppersberger since 2003; he ran for re-election against Republican Marcelo Cardarelli, a physician.

Predictions

SourceRankingAs of
The Cook Political ReportSafe DNovember 1, 2010
RothenbergSafe DNovember 1, 2010
Sabato's Crystal BallSafe DNovember 1, 2010
RCPSafe DNovember 1, 2010
CQ PoliticsSafe DOctober 28, 2010
New York TimesSafe DNovember 1, 2010
FiveThirtyEightSafe DNovember 1, 2010
Maryland's 2nd Congressional District: 2010
PartyCandidateVotes%±%
DemocraticDutch Ruppersberger (incumbent)134,13364.21%−7.65
RepublicanMarcelo Cardarelli69,52333.28%+8.47
LibertarianLorenzo Gaztanaga5,0902.44%−0.74
No partyWrite-ins1580.08%
Total votes208,904100.00
Democratic hold

District 3

This gerrymandered district comprises portions of Baltimore, Howard and Anne Arundel counties, as well as a significant part of the independent city of Baltimore, and was represented by Democrat John Sarbanes since 2007. Sarbanes is the son of former Maryland Senator Paul Sarbanes. His Republican opponent was Jim Wilhelm.

Predictions

SourceRankingAs of
The Cook Political ReportSafe DNovember 1, 2010
RothenbergSafe DNovember 1, 2010
Sabato's Crystal BallSafe DNovember 1, 2010
RCPSafe DNovember 1, 2010
CQ PoliticsSafe DOctober 28, 2010
New York TimesSafe DNovember 1, 2010
FiveThirtyEightSafe DNovember 1, 2010
Maryland's 3rd Congressional District: 2010
PartyCandidateVotes%±%
DemocraticJohn Sarbanes (incumbent)147,44861.07%−8.59
RepublicanJim Wilhelm86,94736.01%+5.93
LibertarianJerry McKinley5,2122.16%+2.16
ConstitutionAlain Lareau1,6340.68%+0.68
No partyWrite-ins1880.08%
Total votes241,429100.00
Democratic hold

District 4

The district comprises portions of Prince George's and Montgomery Counties, and was represented by Democrat Donna Edwards. She ran for re-election against Republican Robert Broadus.

Predictions

SourceRankingAs of
The Cook Political ReportSafe DNovember 1, 2010
RothenbergSafe DNovember 1, 2010
Sabato's Crystal BallSafe DNovember 1, 2010
RCPSafe DNovember 1, 2010
CQ PoliticsSafe DOctober 28, 2010
New York TimesSafe DNovember 1, 2010
FiveThirtyEightSafe DNovember 1, 2010
Maryland's 4th Congressional District: 2010
PartyCandidateVotes%±%
DemocraticDonna Edwards (incumbent)160,22883.44%−2.39
RepublicanRobert Broadus31,46716.39%+3.54
No partyWrite-ins3250.17%
Total votes192,020100.00
Democratic hold

District 5

The district comprises all of Charles, St. Mary's, and Calvert Counties, as well as portions of Prince George's and Anne Arundel Counties. The seat had been represented by Democrat and House Majority Leader Steny Hoyer since 1981. He was challenged by Republican Charles Lollar, the Chairman of the Charles County Republican Party, and Libertarian H. Gavin Shickle.

Predictions

SourceRankingAs of
The Cook Political ReportSafe DNovember 1, 2010
RothenbergSafe DNovember 1, 2010
Sabato's Crystal BallSafe DNovember 1, 2010
RCPSafe DNovember 1, 2010
CQ PoliticsSafe DOctober 28, 2010
New York TimesSafe DNovember 1, 2010
FiveThirtyEightSafe DNovember 1, 2010
Maryland's 5th Congressional District: 2010
PartyCandidateVotes%±%
DemocraticSteny Hoyer (incumbent)155,11064.26%−9.39
RepublicanCharles Lollar83,57534.62%+10.65
LibertarianH. Gavin Shickle2,5781.07%−1.20
No partyWrite-ins1200.05%
Total votes241,383100.00
Democratic hold

District 6

The district comprises all of Garrett, Allegany, Washington, Frederick and Carroll Counties, as well as portions of Montgomery, Baltimore, and Harford Counties, and had been represented by Republican Roscoe Bartlett since 1993. Democrat Andrew J. Duck challenged Roscoe Bartlett in 2010.

Predictions

SourceRankingAs of
The Cook Political ReportSafe RNovember 1, 2010
RothenbergSafe RNovember 1, 2010
Sabato's Crystal BallSafe RNovember 1, 2010
RCPSafe RNovember 1, 2010
CQ PoliticsSafe ROctober 28, 2010
New York TimesSafe RNovember 1, 2010
FiveThirtyEightSafe RNovember 1, 2010
Maryland's 6th Congressional District: 2010
PartyCandidateVotes%±%
RepublicanRoscoe Bartlett (incumbent)148,82061.45%+3.69
DemocraticAndrew Duck80,45533.22%−5.57
LibertarianDan Massey6,8162.81%−0.54
ConstitutionMichael Reed5,9072.44%+2.44
No partyWrite-ins1910.08%
Total votes242,189100.00
Republican hold

District 7

The district encompasses parts of Baltimore City, Baltimore County, and Howard County, and had been represented by Democrat Elijah Cummings since 1996. He was challenged for re-election by Republican Frank Mirabile.

Predictions

SourceRankingAs of
The Cook Political ReportSafe DNovember 1, 2010
RothenbergSafe DNovember 1, 2010
Sabato's Crystal BallSafe DNovember 1, 2010
RCPSafe DNovember 1, 2010
CQ PoliticsSafe DOctober 28, 2010
New York TimesSafe DNovember 1, 2010
FiveThirtyEightSafe DNovember 1, 2010
Maryland's 7th Congressional District: 2010
PartyCandidateVotes%±%
DemocraticElijah Cummings (incumbent)152,66975.18%−4.32
RepublicanFrank C. Mirabile46,37522.84%+4.26
LibertarianScott Spencer3,8141.88%+0.06
No partyWrite-ins2100.10%
Total votes203,068100.00
Democratic hold

District 8

The district mostly consists of the larger part of Montgomery County, but also includes a small portion of Prince George's County, and had been represented by Democrat Chris Van Hollen since 2003. He was challenged by Republican Michael Lee Philips.

Predictions

SourceRankingAs of
The Cook Political ReportSafe DNovember 1, 2010
RothenbergSafe DNovember 1, 2010
Sabato's Crystal BallSafe DNovember 1, 2010
RCPSafe DNovember 1, 2010
CQ PoliticsSafe DOctober 28, 2010
New York TimesSafe DNovember 1, 2010
FiveThirtyEightSafe DNovember 1, 2010
Maryland's 8th Congressional District: 2010
PartyCandidateVotes%±%
DemocraticChris Van Hollen (incumbent)153,61373.27%−1.81
RepublicanMichael Lee Philips52,42125.00%+3.32
LibertarianMark Grannis2,7131.29%+0.45
ConstitutionFred Nordhorn6960.33%+0.33
No partyWrite-ins2240.11%
Total votes209,667100.00
Democratic hold

External links

Preceded by 2008 electionsUnited States House elections in Maryland 2010Succeeded by 2012 elections