<Tr> <Td> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> </Td> </Tr> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> <P> The United States House of Representatives is the lower chamber of the United States Congress . The Senate is the upper chamber . Together they compose the legislature of the United States . </P> <P> The composition and powers of the House are established by Article One of the United States Constitution . The House is composed of Representatives who sit in congressional districts that are allocated to each of the 50 states on a basis of population as measured by the U.S. Census, with each district entitled to one representative . Since its inception in 1789, all Representatives have been directly elected . The total number of voting representatives is fixed by law at 435 . As of the 2010 Census, the largest delegation is that of California, with fifty - three representatives . Seven states have the smallest delegation possible, a single representative: Alaska, Delaware, Montana, North Dakota, South Dakota, Vermont, and Wyoming . </P>

Which house of congress is the house of representatives