The 2008 congressional elections in New Mexico were held on November 4, 2008 to determine New Mexico's representation in the United States House of Representatives. The party primary elections were held June 3, 2008.^[1] Martin Heinrich, Harry Teague, and Ben Ray Luján, all Democrats, were elected to represent New Mexico in the House. Representatives are elected for two-year terms; the winners of the election currently serve in the 111th Congress, which began on January 4, 2009 and is scheduled to end on January 3, 2011. The election coincided with the 2008 U.S. presidential election and senatorial elections.

Quick Facts All 3 New Mexico seats to the United States House of Representatives, Majority party ...

2008 United States House of Representatives elections in New Mexico

← 2006 November 4, 2008 2010 →
All 3 New Mexico seats to the United States House of Representatives
Majority party Minority party   Party Democratic Republican Last election 1 2 Seats won 3 0 Seat change 2 2 Popular vote 457,135 321,083 Percentage 56.1% 39.4%
Democratic   50–60%

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New Mexico has three seats in the House, apportioned according to the 2000 United States census. Its 2007-2008 congressional delegation consisted of two Republicans and one Democrat. All three incumbents chose to vie for New Mexico's open Senate seat being held by retiring Republican Pete Domenici. The election resulted in all three New Mexico seats are being occupied by freshman Democrats. Districts 1 and 2 changed from Republican to Democratic; CQ Politics had forecast that these seats might be at risk for the Republican Party. This was the last time that Democrats won all of New Mexico's congressional districts until the 2018 midterm elections. Incidentally, two of the three elected Representatives, Heinrich and Luján, now serve together in the United States Senate since 2021.

This district includes the central area of New Mexico, in and around Albuquerque. An open seat, CQ Politics forecast the race as 'No Clear Favorite'. The Rothenberg Political Report rated it 'Pure Toss-Up'. The Cook Political Report ranked it 'Lean Democratic'.

Martin Heinrich (D) (campaign website)

Darren White (R) (campaign website)

The 2006 race between incumbent Republican Heather Wilson and Democratic state Attorney General Patricia Madrid was a cliffhanger, with Wilson being reelected by 861 votes. John Kerry had narrowly won the district with 52% in 2004 (CPVI=D+2). With the retirement of longtime U.S. Senator Pete Domenici, Wilson ran and lost as a candidate for the Republican nomination in the race for an open U.S. Senate seat, leaving this an open seat.^[3] The Democratic nominee was Martin Heinrich (former Albuquerque City Councilor). The Republican nominee was Bernalillo County Sheriff Darren White.^[4] In the general election, Heinrich defeated White by a margin of 11%. When sworn into Congress in January 2009, Heinrich became the first Democrat to ever represent this district in the House.

• Race ranking and details from CQ Politics
• Campaign contributions from OpenSecrets
• White (R) vs Heinrich (D) graph of collected poll results from Pollster.com

This district covers the southern half of the state of New Mexico, including Las Cruces and Roswell. CQ Politics forecast the race as 'Leans Republican'. The Rothenberg Political Report rated it 'Pure Toss-Up'. The Cook Political Report ranked it 'Republican Toss Up'.

Republican incumbent Steve Pearce won his party's nomination over Heather Wilson for the U.S. Senate, leaving this an open seat.^[6] This district usually votes Republican. George W. Bush won the district 58% to 42% over John Kerry in 2004 (CPVI=R+6). Nevertheless, Democratic nominee Harry Teague defeated Republican Edward R. Tinsely III in the general election and is the first Democrat to represent this district since 1981.

• Race ranking and details from CQ Politics
• Campaign contributions from OpenSecrets

This district covers the northern half of the state of New Mexico, including the capital, Santa Fe. An open seat, CQ Politics forecast the race as 'Safe Democrat', as did The Rothenberg Political Report and The Cook Political Report.

• Dan East (R)
• Ben R. Luján (D)
• Carol Miller (I)

Democratic incumbent Tom Udall won his party's nomination for Pete Domenici's open U.S. Senate seat,.^[9] The Democrats tend to hold the advantage in the district: John Kerry received 54% of the vote there (CPVI=D+6) in 2004. The Democratic nominee was State Public Regulation Commissioner Ben R. Luján. Luján's father serves as Speaker of the New Mexico House of Representatives. The Republican nominee was small business owner Dan East. Carol Miller, a 1997/1998 Green Party candidate, was seeking the seat as an independent.^[10] Luján won the three-way race fairly easily and was sworn into Congress in January 2009.

• Dan East's campaign website
• Ben R. Luján's campaign website
• Carol Miller's campaign website
• Race ranking and details from CQ Politics
• Campaign contributions from OpenSecrets