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2010 United States House of Representatives elections in Maryland
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| Field | Value |
|---|---|
| election_name | 2010 United States House of Representatives elections in Maryland |
| country | Maryland |
| type | legislative |
| ongoing | no |
| previous_election | 2008 United States House of Representatives elections in Maryland |
| previous_year | 2008 |
| next_election | 2012 United States House of Representatives elections in Maryland |
| next_year | 2012 |
| seats_for_election | All 8 Maryland seats to the United States House of Representatives |
| election_date | |
| party1 | Democratic Party (United States) |
| last_election1 | 7 |
| seats1 | 6 |
| seat_change1 | 1 |
| popular_vote1 | 1,104,056 |
| percentage1 | 60.48% |
| swing1 | 6.67% |
| party2 | Republican Party (United States) |
| last_election2 | 1 |
| seats2 | 2 |
| seat_change2 | 1 |
| popular_vote2 | 674,246 |
| percentage2 | 36.94% |
| swing2 | 6.41% |
| map_image | |
| map_caption |
Democratic Republican
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
|- style="background-color: #e9e9e9; font-weight: bold;" ! scope="row" colspan="2" style="text-align: right;" | Totals |}
By district
Results of the 2010 United States House of Representatives elections in Maryland by district:
| District | Democratic | Republican | Others | Total | Result | Democratic Party (United States)}}" | Republican Party (United States)}}" | Votes | % | Votes | % | Votes | % | Votes | % | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| District 1 | 120,400 | 41.98% | 155,118 | 54.08% | 11,294 | 3.94% | 286,812 | 100.0% | Republican gain | ||||||||
| District 2 | 134,133 | 64.21% | 69,523 | 33.28% | 5,248 | 2.51% | 208,904 | 100.0% | Democratic hold | ||||||||
| District 3 | 147,448 | 61.07% | 86,947 | 36.01% | 7,034 | 2.91% | 241,429 | 100.0% | Democratic hold | ||||||||
| District 4 | 160,228 | 83.44% | 31,467 | 16.39% | 325 | 0.17% | 192,020 | 100.0% | Democratic hold | ||||||||
| District 5 | 155,110 | 64.26% | 83,575 | 34.62% | 2,698 | 1.12% | 241,383 | 100.0% | Democratic hold | ||||||||
| District 6 | 80,455 | 33.22% | 148,820 | 61.45% | 12,914 | 5.33% | 242,189 | 100.0% | Republican hold | ||||||||
| District 7 | 152,669 | 75.18% | 46,375 | 22.84% | 4,024 | 1.98% | 203,068 | 100.0% | Democratic hold | ||||||||
| District 8 | 153,613 | 73.27% | 52,421 | 25.00% | 3,633 | 1.73% | 209,667 | 100.0% | Democratic hold | ||||||||
| Total | 1,104,056 | 60.48% | 674,246 | 36.94% | 47,170 | 2.58% | 1,825,472 | 100.0% |
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.
- MD - District 1 from OurCampaigns.com
- Race ranking and details from CQ Politics
- Campaign contributions from OpenSecrets
- Race profile at The New York Times
Polling
| Poll source | Dates administered | Frank | ||||
|---|---|---|---|---|---|---|
| Kratovil (D) | Andy | |||||
| Harris (R) | Richard | |||||
| Davis (L) | Other | Undecided | ||||
| Baltimore Sun/OpinionWorks | October 15–20, 2010 | 40% | 40% | — | — | 14% |
| Monmouth University | October 16–19, 2010 | 42% | 53% | — | — | 5% |
| The Hill/ANGA | October 5, 2010 | 40% | 43% | — | 1% | 15% |
| OnMessage Inc. | September 20–21, 2010 | 39% | 43% | — | — | — |
| Garin-Hart-Yang Research Group† | September 12–13, 2010 | 45% | 39% | — | — | — |
| Garin-Hart-Yang Research Group† | June 15–16, 2010 | 44% | 39% | — | — | 17% |
| Public Opinion Strategies | April 25–26, 2010 | 36% | 39% | 6% | 1% | 18% |
| Tarrance Group | November 15–17, 2009 | 39% | 52% | — | — | — |
† Internal poll for Kratovil campaign
Predictions
| Source | Ranking | As of |
|---|---|---|
| The Cook Political Report | November 1, 2010 | |
| Rothenberg | November 1, 2010 | |
| Sabato's Crystal Ball | November 1, 2010 | |
| RCP | November 1, 2010 | |
| CQ Politics | October 28, 2010 | |
| New York Times | November 1, 2010 | |
| FiveThirtyEight | November 1, 2010 |
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.
- Race ranking and details from CQ Politics
- Campaign contributions from OpenSecrets
- Race profile at The New York Times
Predictions
| Source | Ranking | As of |
|---|---|---|
| The Cook Political Report | November 1, 2010 | |
| Rothenberg | November 1, 2010 | |
| Sabato's Crystal Ball | November 1, 2010 | |
| RCP | November 1, 2010 | |
| CQ Politics | October 28, 2010 | |
| New York Times | November 1, 2010 | |
| FiveThirtyEight | November 1, 2010 |
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.
- Race ranking and details from CQ Politics
- Campaign contributions from OpenSecrets
- profile at The New York Times
Predictions
| Source | Ranking | As of |
|---|---|---|
| The Cook Political Report | November 1, 2010 | |
| Rothenberg | November 1, 2010 | |
| Sabato's Crystal Ball | November 1, 2010 | |
| RCP | November 1, 2010 | |
| CQ Politics | October 28, 2010 | |
| New York Times | November 1, 2010 | |
| FiveThirtyEight | November 1, 2010 |
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.
- Race ranking and details from CQ Politics
- Campaign contributions from OpenSecrets
- Race profile at The New York Times
Predictions
| Source | Ranking | As of |
|---|---|---|
| The Cook Political Report | November 1, 2010 | |
| Rothenberg | November 1, 2010 | |
| Sabato's Crystal Ball | November 1, 2010 | |
| RCP | November 1, 2010 | |
| CQ Politics | October 28, 2010 | |
| New York Times | November 1, 2010 | |
| FiveThirtyEight | November 1, 2010 |
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.
- Race ranking and details from CQ Politics
- Campaign contributions from OpenSecrets
- Race profile at The New York Times
Predictions
| Source | Ranking | As of |
|---|---|---|
| The Cook Political Report | November 1, 2010 | |
| Rothenberg | November 1, 2010 | |
| Sabato's Crystal Ball | November 1, 2010 | |
| RCP | November 1, 2010 | |
| CQ Politics | October 28, 2010 | |
| New York Times | November 1, 2010 | |
| FiveThirtyEight | November 1, 2010 |
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.
- Race ranking and details from CQ Politics
- Campaign contributions from OpenSecrets
- Race profile at The New York Times
Predictions
| Source | Ranking | As of |
|---|---|---|
| The Cook Political Report | November 1, 2010 | |
| Rothenberg | November 1, 2010 | |
| Sabato's Crystal Ball | November 1, 2010 | |
| RCP | November 1, 2010 | |
| CQ Politics | October 28, 2010 | |
| New York Times | November 1, 2010 | |
| FiveThirtyEight | November 1, 2010 |
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.
- Race ranking and details from CQ Politics
- Campaign contributions from OpenSecrets
- Race profile at The New York Times
Predictions
| Source | Ranking | As of |
|---|---|---|
| The Cook Political Report | November 1, 2010 | |
| Rothenberg | November 1, 2010 | |
| Sabato's Crystal Ball | November 1, 2010 | |
| RCP | November 1, 2010 | |
| CQ Politics | October 28, 2010 | |
| New York Times | November 1, 2010 | |
| FiveThirtyEight | November 1, 2010 |
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.
- Race ranking and details from CQ Politics
- Campaign contributions from OpenSecrets
- Race profile at The New York Times
Predictions
| Source | Ranking | As of |
|---|---|---|
| The Cook Political Report | November 1, 2010 | |
| Rothenberg | November 1, 2010 | |
| Sabato's Crystal Ball | November 1, 2010 | |
| RCP | November 1, 2010 | |
| CQ Politics | October 28, 2010 | |
| New York Times | November 1, 2010 | |
| FiveThirtyEight | November 1, 2010 |
References
References
- [http://clerk.house.gov/member_info/electioninfo/index.aspx Office of the Clerk of the U.S. House of Representatives]
- Haas, Karen L.. (June 3, 2011). "Statistics of the Congressional Election of November 2, 2010". [[Clerk of the United States House of Representatives.
- [http://www.delmarvanow.com/article/20090804/NEWS01/908040360 www.delmarvanow.com] {{webarchive. link. (August 7, 2009)
- link. (2012-03-06 Maryland Board of Elections)
- "Baltimore Sun/OpinionWorks".
- [https://web.archive.org/web/20101024194643/http://blogs.cqpolitics.com/eyeon2010/2010/10/new-poll-frank-kratovil-down-b.html Monmouth University]
- [https://web.archive.org/web/20160126221723/http://thehill.com/images/polls/md-1.pdf The Hill/ANGA]
- [https://web.archive.org/web/20101002220214/http://blogs.cqpolitics.com/eyeon2010/2010/09/nrcc-polling-gives-republicans.html OnMessage Inc.]
- {{usurped
- [https://web.archive.org/web/20120929114108/http://voices.washingtonpost.com/annapolis/2010/06/rep_kratovils_poll_shows_him_l.html Garin-Hart-Yang Research Group]
- [http://www.realclearpolitics.com/docs/2010/30716678-Published-Poll-Maryland-1st-CD.pdf Public Opinion Strategies]
- {{usurped
- (November 1, 2010). "The Cook Political Report – Charts – 2010 House Competitive Races". [[The Cook Political Report with Amy Walter.
- Rothenberg Political Report. (November 1, 2010). "House Ratings". Rothenbergpoliticalreport.com.
- [http://www.centerforpolitics.org/crystalball/articles/category/2010-house Crystal Ball], {{As of. 2010. 11. 01
- [http://www.realclearpolitics.com/epolls/2010/house/2010_elections_house_map.html RealClearPolitics], {{As of. 2010. 11. 01
- "2010 House Ratings Chart". CQ Politics.
- "House Race Ratings". [[The New York Times]].
- (March 2, 2010). "Race Rating Change Tracker, 2010 Maps and Ratings: Maryland - 5th District". CQ Politics.
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