The 70th Illinois General Assembly convened on January 9, 1957, and adjourned sine die on June 29, 1957.
[1] Since 1901, Senate and House districts were contiguous, comprising 51 districts each represented by one senator and three representatives.
[1] The new redistricting consists of 58 Senatorial districts and 59 Representative districts increasing membership in the Senate to 58 and in the House from 204 to 235.
[1] The 70th General Assembly introduced 2,314 bills, 1,415 in the House and 899 in the Senate.
[1] Governor William Stratton vetoed 124 in their entirety and 6 in part.