Party affiliation on the first day of the legislative session
| Legislature | Party totals |
|---|---|
| 88th (2023) |
House -
Republican 86 Democrat 64
Senate - Republican 19 Democrat 12 |
| 87th (2021) |
Senate -
Democrat 13 Republican 18
House - Republican 82 Democrat 67 |
| 86th (2019) |
Senate -
Republican 19 Democrat 12
House - Democrat 64 Republican 83 |
| 85th (2017) |
Senate -
Republican 20 Democrat 11
House - Republican 95 Democrat 55 |
| 84th (2015) |
Senate -
Republican 20 Democrat 11
House - Republican 97 Democrat 51 |
| 83rd (2013) |
Senate -
Republican 19
House - Republican 95 Democrat 55 Senate - Democrat 11 |
| 82nd (2011) |
Senate -
Democrat 12 Republican 19
House - Democrat 49 Republican 101 |
| 81st (2009) |
Senate -
Democrat 12 Republican 19
House - Republican 76 Democrat 74 |
| 80th (2007) |
Senate -
Democrat 11 Republican 20
House - Democrat 69 Republican 79 |
| 79th (2005) |
Senate -
Democrat 12 Republican 19
House - Republican 86 Democrat 64 |
| 78th (2003) |
House -
Republican 88 Democrat 62
Senate - Democrat 12 Republican 19 |
| 77th (2001) |
Senate -
Republican 16 Democrat 15
House - Democrat 77 Republican 71 |
| 76th (1999) |
Senate -
Republican 16 Democrat 15
House - Democrat 78 Republican 72 |
| 75th (1997) |
Senate -
Democrat 14 Republican 16
House - Democrat 82 Republican 67 |
| 74th (1995) |
Senate -
Republican 14 Democrat 17
House - Democrat 88 Republican 61 |
| 73rd (1993) |
Senate -
Republican 13 Democrat 18
House - Democrat 91 Republican 57 |
| 72nd (1991) |
Senate -
Democrat 22 Republican 8
House - Democrat 92 Republican 57 |
| 71st (1989) |
Senate -
Democrat 23 Republican 8
House - Democrat 93 Republican 57 |
| 70th (1987) |
Senate -
Democrat 25 Republican 6
House - Republican 56 Democrat 94 |
| 69th (1985) |
Senate -
Democrat 25 Republican 6
House - Republican 52 Democrat 98 |
| 68th (1983) |
House -
Republican 36 Democrat 114
Senate - Democrat 26 Republican 5 |
| 67th (1981) |
House -
Democrat 113 Republican 35
Senate - Democrat 23 Republican 7 |
| 66th (1979) |
Senate -
Democrat 27 Republican 4
House - Republican 22 Democrat 125 |
| 65th (1977) |
Senate -
Democrat 28 Republican 3
House - Democrat 132 Republican 18 |
| 64th (1975) |
Senate -
Democrat 28 Republican 3
House - Democrat 133 Republican 16 |
| 63rd (1973) |
Senate -
Democrat 28
House - Democrat 130 Republican 17 Senate - Republican 3 |
| 62nd (1971) |
Senate -
Democrat 29
House - Democrat 139 Republican 10 Senate - Republican 2 |
| 61st (1969) |
Senate -
Democrat 29 Republican 2
House - Republican 8 Democrat 142 |
| 60th (1967) |
House -
Republican 3 Democrat 146
Senate - Democrat 30 Republican 1 |
| 59th (1965) |
Senate -
Democrat 31
House - Democrat 147 Republican 1 |
| 58th (1963) |
Senate -
Democrat 31
House - Democrat 143 Republican 7 |
| 57th (1961) |
Senate -
Democrat 31
House - Democrat 149 |
| 56th (1959) |
Senate -
Democrat 31
House - Democrat 149 Other 1 |
| 55th (1957) |
Senate -
Democrat 31
House - Democrat 148 |
| 54th (1955) |
Senate -
Democrat 31
House - Democrat 148 |
| 53rd (1953) |
Senate -
Democrat 31
House - Democrat 150 |
| 52nd (1951) |
Senate -
Democrat 31
House - Democrat 148 Republican 1 |
| 51st (1949) |
Senate -
Democrat 31
House - Democrat 149 |
| 50th (1947) |
Senate -
Democrat 31
House - Democrat 150 |
| 49th (1945) |
Senate -
Democrat 31
House - Democrat 147 |
| 48th (1943) |
Senate -
Democrat 31
House - Democrat 147 |
| 47th (1941) |
Senate -
Democrat 31
House - Democrat 150 |
| 46th (1939) |
House -
Democrat 150
Senate - Democrat 31 |
| 45th (1937) |
House -
Democrat 147
Senate - Democrat 31 House - Other 1 |
| 44th (1935) |
Senate -
Democrat 31
House - Democrat 147 Other 1 |
| 43rd (1933) |
House -
Democrat 148
Senate - Democrat 31 House - Other 2 |
| 42nd (1931) |
House -
Democrat 149
Senate - Democrat 31 House - Other 1 |
| 41st (1929) |
Senate -
Democrat 30
House - Democrat 149 Republican 1 |
| 40th (1927) |
Senate -
Democrat 30
House - Democrat 149 Republican 1 Senate - Republican 1 |
| 39th (1925) |
Senate -
Democrat 30 Republican 1
House - Democrat 149 Republican 1 |
| 38th (1923) |
House -
Democrat 148
Senate - Democrat 30 House - Republican 1 |
| 37th (1921) |
House -
Democrat 137 Republican 1
Other 4
Senate - Democrat 30 |
| 36th (1919) |
Senate -
Democrat 31
House - Democrat 139 Republican 1 |
| 35th (1917) |
Senate -
Democrat 31
House - Democrat 142 |
| 34th (1915) |
Senate -
Democrat 31
House - Democrat 137 Republican 1 Other 2 |
| 33rd (1913) |
Senate -
Democrat 30
House - Democrat 141 Republican 1 Senate - Republican 1 |
| 32nd (1911) |
Senate -
Democrat 29
House - Democrat 132 Senate - Republican 1 House - Republican 1 |
| 31st (1909) |
Senate -
Democrat 30 Republican 1
House - Democrat 130 Republican 3 |
| 30th (1907) |
Senate -
Democrat 29
House - Democrat 129 Republican 2 Other 1 |
| 29th (1905) |
Senate -
Democrat 31
House - Republican 2 Democrat 128 Other 1 |
| 28th (1903) |
Senate -
Democrat 30
House - Democrat 127 Republican 1 Other 2 |
| 27th (1901) |
House -
Democrat 123
Senate - Democrat 31 House - Other 2 |
| 26th (1899) |
House -
Democrat 120
Senate - Democrat 30 Republican 1 House - Republican 1 Other 6 |
| 25th (1897) |
House -
Democrat 116
Other 8
Senate - Republican 1 Democrat 26 Other 2 House - Republican 3 Other 1 |
| 24th (1895) |
House -
Democrat 103
Senate - Democrat 28 Other 2 House - Republican 2 Other 22 |
| 23rd (1893) |
Senate -
Democrat 30
Other 1
House - Democrat 118 Republican 1 Other 8 |
| 22nd (1891) |
Senate -
Democrat 29
Other 1
House - Democrat 105 Republican 1 |
| 21st (1889) |
Senate -
Democrat 29
Other 2
House - Democrat 100 Republican 3 Other 3 |
| 20th (1887) |
Senate -
Democrat 29 Republican 1
Other 1
House - Democrat 99 Republican 5 Other 1 |
| 19th (1885) |
Senate -
Democrat 30 Republican 1
House - Democrat 101 Republican 5 |
| 18th (1883) |
Senate -
Democrat 28
Other 1
House - Democrat 94 Republican 4 Other 7 |
| 17th (1881) |
Senate -
Democrat 29
Other 1
House - Democrat 80 Republican 7 Other 5 |
| 16th (1879) |
Senate -
Democrat 25 Republican 3
Other 3
House - Democrat 73 Republican 8 Other 12 |
| 15th (1876) |
Senate -
Democrat 26 Republican 3
Other 1
House - Democrat 81 Republican 7 |
| 14th (1874) |
Senate -
Democrat 23
Other 2
House - Democrat 78 Republican 9 Senate - Other 1 |
| 13th (1873) |
Senate -
Democrat 15 Republican 3
Other 12
House - Democrat 75 Republican 12 |
| 12th (1870) |
Senate -
Democrat 6
Other 16
House - Republican 2 Democrat 8 Other 28 |