Seats By Party

Cycle Republican Seats Democratic Seats
2020 31 18
2018 32 18
2016 29 20
2014 24 26
2012 24 26
2010 22 26
2008 18 32
2006 20 30
2004 25 25
2002 29 21
2000 30 20
1998 30 20
1996 29 21
1994 23 27
1992 23 27
1990 22 27
1988 20 30
1986 20 30
1984 21 29
1982 22 28
1980 29 21
1978 28 22
1976 24 26
1974 24 26
1972 28 22
1970 38 12
Generating Chart...