<Table> <Tr> <Th colspan="2"> 112th United States Congress </Th> </Tr> <Tr> <Td colspan="2"> 111th ← → 113th </Td> </Tr> <Tr> <Td colspan="2"> United States Capitol ( 2011 ) </Td> </Tr> <Tr> <Th colspan="2"> January 3 , 2011 -- January 3 , 2013 </Th> </Tr> <Tr> <Th> Senate President </Th> <Td> Joe Biden ( D ) </Td> </Tr> <Tr> <Th> Senate Pres . pro tem </Th> <Td> Daniel Inouye ( D ) until December 17 , 2012 Patrick Leahy ( D ) from December 17 , 2012 </Td> </Tr> <Tr> <Th> House Speaker </Th> <Td> John Boehner ( R ) </Td> </Tr> <Tr> <Th> Members </Th> <Td> 100 senators 435 representatives 6 non-voting delegates </Td> </Tr> <Tr> <Th> Senate Majority </Th> <Td> Democratic </Td> </Tr> <Tr> <Th> House Majority </Th> <Td> Republican </Td> </Tr> <Tr> <Th colspan="2"> Sessions </Th> </Tr> <Tr> <Td colspan="2"> 1st : January 5 , 2011 -- January 3 , 2012 2nd : January 3 , 2012 -- January 3 , 2013 </Td> </Tr> </Table>
who controlled the house and the senate in 2012
Republican Democratic