The United States House of Representatives elections are going to take place on November 2, 2010. Elections are going to be conducted for all the 435 seats which will be representing the 50 U.S. states.
Out of the five major U.S. territories, elections are going to be held in four of them as well as for the delegates from the District of Columbia.

The seat of the Resident Commissioner of Puerto Rico, who serves a four-year term, is not up for election; the election for this post will be in 2012.

The winners of the United States House of Representatives elections, 2010 is going to serve in the 112th Congress.

All 435 seats in the US House of Representatives and 5 (of the 6) non-voting members
November 2, 2010
Leader	Nancy Pelosi	John Boehner
Party	Democratic	Republican
Leader's seat	California-8th	Ohio-8th
Last election	257 seats, 59.1%	178 seats, 40.9%
Seats before	256 seats (including 1 vacancy), 58.9%	179 seats (including 1 vacancy), 41.1%
Seats needed	-38	+39

US House of Representatives Elections 2010

Source: http://en.wikipedia.org/