2010 general · November 2, 2010
2010 Maryland election results
Every race on Maryland's ballot in the 2010 general election: winners, margins and seats that changed party.
Races122
Changed party4
Unopposed23%28 races
Incumbents defeated3
U.S. Senate
D 1
| Race | Winner | Won by | Notes |
|---|---|---|---|
| Maryland | Barbara A. Mikulski (D) | 26.4 |
Governors
D 1
| Race | Winner | Won by | Notes |
|---|---|---|---|
| Maryland | Martin O'Malley (D) | 14.8 |
U.S. House
D 6 · R 2 · 1 changed party
| Race | Winner | Won by | Notes |
|---|---|---|---|
| MD-1 | Andy Harris (R) | 12.1 | Flipped |
| MD-2 | C. A. Dutch Ruppersberger (D) | 30.9 | |
| MD-3 | John P. Sarbanes (D) | 25.1 | |
| MD-4 | Donna F. Edwards (D) | 67.1 | |
| MD-5 | Steny H. Hoyer (D) | 29.6 | |
| MD-6 | Roscoe G. Bartlett (R) | 28.2 | |
| MD-7 | Elijah E. Cummings (D) | 52.3 | |
| MD-8 | Chris Van Hollen (D) | 48.3 |
Maryland State Senate
D 35 · R 12 · 2 changed party
Maryland House of Delegates
D 98 · R 43 · 1 changed party
Maryland
Results are each source's final count; margins are the winner's lead over the runner-up in points of the vote. Source: Algara, Carlos; Amlani, Sharif (Harvard Dataverse); Harvard Dataverse / Carl Klarner; MIT Election Data and Science Lab