New Hampshire State House, Hillsborough 23
Coffman failed to advance past the November 2, 2010 general election.
Coffman advanced past the September 14 primary election. He faced incumbent David Cote (D), incumbent Mary Gorman (D), incumbent Seth Marshall (D), and Timothy Hogan (R) in the November 2 general election.
|New Hampshire House of Representatives, Hillsborough 23 general election (2010)|
|Mary Gorman (D)||752|
|David Cote (D)||720|
|Timothy Hogan (R)||629|
|Seth Marshall (D)||619|
|Howard Coffman (R)||537|
- Biography from Project Vote Smart
- List of 2010 primary election candidates for New Hampshire House of Representatives
- Project Vote Smart list of candidates for New Hampshire House of Representatives in the November 2, 2010 election
- 2010 Primary election results, New Hampshire
- List of Republican primary winners
- List of Democratic primary winners