The First Wisconsin Legislature convened from June 5, 1848, to August 21, 1848, in regular session. Members of the Assembly and Senate were elected after an election on February 1, 1848, that ratified the proposed state constitution.

Major events

Major legislation

Party summary

Senate summary

[Senate partisan composition {{legend|#3333FF|Democratic: 16 seats}} {{legend|#F0C862|Whig: 3 seats|undefined | upload.wikimedia.org/wikipedia/commons/5/50/WI///Senate///1848.svg]

Assembly summary

[Assembly partisan composition {{legend|#3333FF|Democratic: 49 seats}} {{legend|#F0C862|Whig: 17 seats|undefined | upload.wikimedia.org/wikipedia/commons/6/61/WI///Assembly///1848.svg]

Sessions

Leaders

Senate leadership

Assembly leadership

Members

Members of the Senate

Members of the Wisconsin Senate for the First Wisconsin Legislature (19):

[Senate partisan representation {{legend|#3333FF|Democratic: 16 seats}} {{legend|#F0C862|Whig: 3 seats|undefined | upload.wikimedia.org/wikipedia/commons/2/27/WI///Senate///Partisan///Map///1848.svg]

Members of the Assembly

Members of the Assembly for the First Wisconsin Legislature (66):

[Assembly partisan representation {{legend|#3333FF|Democratic: 49 seats}} {{legend|#F0C862|Whig: 17 seats|undefined | upload.wikimedia.org/wikipedia/commons/d/dc/WI///Assembly///Partisan///Map///1848.svg]

Employees

Senate employees

Assembly employees