The 19th Arizona State Legislature, consisting of the Arizona State Senate and the Arizona House of Representatives, was constituted in Phoenix from January 1, 1949, to December 31, 1950, during the first year of Dan Edward Garvey's first full term as Governor of Arizona. The number of senators and house members remained constant at 19 and 58, respectively. The Democrats controlled one hundred percent of the senate, while the Republicans gained two house seats, to a total of seven.
The 20th Arizona State Legislature, consisting of the Arizona State Senate and the Arizona House of Representatives, was constituted in Phoenix from January 1, 1951, to December 31, 1952, during the first two years of John Howard Pyle's term as Governor of Arizona. The number of senators remained constant at 19, while the members of the house of representatives increased from 58 to 68. The Democrats controlled one hundred percent of the senate, while in the house the Democrats increased six seats and the Republicans gained four seats, giving the Democrats a 57–11 edge.
The 21st Arizona State Legislature, consisting of the Arizona State Senate and the Arizona House of Representatives, was constituted in Phoenix from January 1, 1953, to December 31, 1954, during the last two years of John Howard Pyle's term as Governor of Arizona. The number of senators remained constant at 19, while the members of the house of representatives increased from 68 to 80. The Republicans picked up four Senate seats, leaving the Democrats in control of the upper house with a 15–4 margin. In the House, the Republicans picked up nineteen seats, while the number of seats controlled by the Democrats decreased by seven, giving the Democrats a 50–30 edge.
The 22nd Arizona State Legislature, consisting of the Arizona State Senate and the Arizona House of Representatives, was constituted in Phoenix from January 1, 1955, to December 31, 1956, during the first of two terms of Ernest McFarland's time as Governor of Arizona. The number of senators was increased to two per county, for a total of 28, while the members of the house of representatives increased from 80 to 81. The Republicans lost two Senate seats, leaving the Democrats in control of the upper house with a 26–2 margin. In the House, the Republicans lost ten seats, while the number of seats controlled by the Democrats increased by eleven, giving the Democrats a 61–20 edge.
The 23rd Arizona State Legislature, consisting of the Arizona State Senate and the Arizona House of Representatives, was constituted in Phoenix from January 1, 1957, to December 31, 1958, during the second of two terms of Ernest McFarland's time as Governor of Arizona. The number of senators remained constant at two per county, totaling 28, while the number of members of the House of Representatives decreased from 81 to 80. The balance in the upper house continued at a 26–2 margin in favor of the Democrats. In the House, the Republicans picked up three seats, while Democrats lost four seats, however the Democrats still held a 57–23 edge.
The 25th Arizona State Legislature, consisting of the Arizona State Senate and the Arizona House of Representatives, was constituted in Phoenix from January 1, 1961, to December 31, 1962, during the second of three terms of Paul Fannin's time as Governor of Arizona. The number of senators remained constant at two per county, totaling 28, and the members of the house of representatives also held steady at 80. The Republicans picked up three seats in the upper house, but the Democrats still had a 24–4 edge. In the House the Republicans picked up two seats, leaving the Democrats with a 52–28 edge.
The 26th Arizona State Legislature, consisting of the Arizona State Senate and the Arizona House of Representatives, was constituted in Phoenix from January 1, 1963, to December 31, 1964, during the last of three terms of Paul Fannin's time as Governor of Arizona. The number of senators remained constant at two per county, totaling 28, and the members of the house of representatives also held steady at 80. The Democrats maintained a 24–4 edge in the upper house, while the Republicans gained four seats in the House, trimming the Democrats majority to 48–32.
The 35th Arizona State Legislature, consisting of the Arizona State Senate and the Arizona House of Representatives, was constituted in Phoenix from January 1, 1981, to December 31, 1982, during the second two years of Bruce Babbitt's first full term as Governor of Arizona. Both the Senate and the House membership remained constant at 30 and 60, respectively. The Republicans maintained their 16–14 edge in the upper house, and gained a seat in the lower house, increasing their majority there to 43–17.
The 36th Arizona State Legislature, consisting of the Arizona State Senate and the Arizona House of Representatives, was constituted in Phoenix from January 1, 1983, to December 31, 1984, during the first two years of Bruce Babbitt's second full term as Governor of Arizona. Both the Senate and the House membership remained constant at 30 and 60, respectively. The Republicans increased their lead in the Senate by two seats, giving them an 18–12 edge in the upper house, while the Democrats gained four seats in the lower house, although the Republicans still held a 39–21 majority.
The 37th Arizona State Legislature, consisting of the Arizona State Senate and the Arizona House of Representatives, was constituted in Phoenix from January 1, 1985, to December 31, 1986, during the second two years of Bruce Babbitt's second full term as Governor of Arizona. Both the Senate and the House membership remained constant at 30 and 60, respectively. The composition of the senate remained constant, with the Republicans holding a 18–12, while the Democrats gained a seat in the lower house, decreasing the Republican majority to 38–22.
The 38th Arizona State Legislature, consisting of the Arizona State Senate and the Arizona House of Representatives, was constituted in Phoenix from January 1, 1987, to December 31, 1988, during the two years of Evan Mecham's term as Governor of Arizona, and the first year of Rose Mofford's term as governor after Mecham's impeachment. Both the Senate and the House membership remained constant at 30 and 60, respectively. The Republicans gained a seat in the Senate, giving them a 19-11 majority, while the Democrats gained to seats in the house, decreasing the Republican majority to 36–24.
The 39th Arizona State Legislature, consisting of the Arizona State Senate and the Arizona House of Representatives, was constituted in Phoenix from January 1, 1989, to December 31, 1990, during the last two years of Rose Mofford's term as governor. Both the Senate and the House membership remained constant at 30 and 60, respectively. The Democrats gained two seats in the Senate, cutting the Republican majority to 17–13, and the Democrats also gained a seat in the house, decreasing the Republican majority to 35–25.
The 40th Arizona State Legislature, consisting of the Arizona State Senate and the Arizona House of Representatives, was constituted in Phoenix from January 1, 1991, to December 31, 1992, during the first two years of Fife Symington's first term as governor. Both the Senate and the House membership remained constant at 30 and 60, respectively. The Democrats flipped control in the Senate, gaining four seats and creating a Democratic majority of 17–13. The Democrats also gained two seats in the house, decreasing the Republican majority to 33–27.
The 41st Arizona State Legislature, consisting of the Arizona State Senate and the Arizona House of Representatives, was constituted in Phoenix from January 1, 1993, to December 31, 1994, during the second two years of Fife Symington's first term as governor. Both the Senate and the House membership remained constant at 30 and 60, respectively. The Republicans flipped control in the Senate, gaining five seats and creating a Republican majority at 18–12. The Republicans gained two seats in the house, increasing their majority to 35–25.
The 42nd Arizona State Legislature, consisting of the Arizona State Senate and the Arizona House of Representatives, was constituted in Phoenix from January 1, 1995, to December 31, 1996, during the first two years of Fife Symington's second term as governor. Both the Senate and the House membership remained constant at 30 and 60, respectively. The Republicans increased their control in the Senate, gaining a seat and giving the a 19-11 majority. The Republicans also gained seats in the house, increasing their majority to 38–22.
The 44th Arizona State Legislature, consisting of the Arizona State Senate and the Arizona House of Representatives, was constituted in Phoenix from January 1, 1999, to December 31, 2000, during the first two years of Jane Dee Hull's first full term in office. Both the Senate and the House membership remained constant at 30 and 60, respectively. The Republicans lost two seats in the Senate, but still held a 16-14 majority. The Republicans gained two seats in the House, maintaining their majority in the lower chamber, 40–20.
The 45th Arizona State Legislature, consisting of the Arizona State Senate and the Arizona House of Representatives, was constituted in Phoenix from January 1, 2001, to December 31, 2002, during the final two years of Jane Dee Hull's first full term in office. Both the Senate and the House membership remained constant at 30 and 60, respectively. The Republicans lost a seat in the Senate, creating a 15-15 balance with the Democrats. The Republicans lost four seats in the House, maintaining their majority in the lower chamber, 36–24.
The 46th Arizona State Legislature, consisting of the Arizona State Senate and the Arizona House of Representatives, was constituted in Phoenix from January 1, 2003, to December 31, 2004, during the first two years of Janet Napolitano's first term in office. Both the Senate and the House membership remained constant at 30 and 60, respectively. The Republicans gained two seats in the Senate, giving them a 17-13 majority. The Republicans gained four seats in the House, maintaining their majority in the lower chamber, 39–20-1, with a single representative switching their party affiliation from Democrat to Independent after the election.
The 47th Arizona State Legislature, consisting of the Arizona State Senate and the Arizona House of Representatives, was constituted in Phoenix from January 1, 2005, to December 31, 2006, during the second two years of Janet Napolitano's first term in office. Both the Senate and the House membership remained constant at 30 and 60, respectively. The Republicans gained a seat in the Senate, giving them an 18-12 majority. The Republicans maintained their majority in the lower chamber, 39–21, while the Democrats picked up the sole seat held by an Independent.
The 49th Arizona State Legislature, consisting of the Arizona State Senate and the Arizona House of Representatives, was constituted in Phoenix from January 1, 2009, to December 31, 2010, during the final month of Janet Napolitano's second term in office, prior to her resignation to become United States Secretary of Homeland Security, and the first two years of her successor, Jan Brewer. Both the Senate and the House membership remained constant at 30 and 60, respectively. The Republicans gained a seat in the Senate, increasing the majority to 18–12. The Republicans also gained two seats in the lower chamber, giving them a 35–25 majority.
