I looked it up:
107th Congress (Jan 2001-Jan 2003)
Senate: 50 Democrats, 49 Republicans, 1 independent (and they always caucus with Democrats)
House: 209 Democrats, 223 Republicans, 2 independents
108th Congress (Jan 2003-Jan 2005)
Senate: 48 Democrats, 51 Republicans, 1 independent
House: 205 Democrats, 229 Republicans, 1 independent
109th Congress (Jan 2005-Jan 2007)
Senate: 44 Democrats, 55 Republicans, 1 independent
House: 233 Democrats, 202 Republicans
110th Congress(Jan 2007-Jan 2009)
Senate: 49 Democrats, 49 Republicans, 2 independents
House: 233 Democrats, 202 Republicans
