| 5th Illinois General Assembly | |
| Preceded By: | 4th Illinois General Assembly |
| Succeeded By: | 6th Illinois General Assembly |
| Coa Pic: | Seal of Illinois.svg |
| Session Room: | VandaliaStateHouse VandaliaIL.jpg |
| House Type: | Bicameral |
| Houses: | State Senate andHouse of Representatives |
| Leader1 Type: | President of the Senate |
| Leader1: | William Kinney |
| Party1: | Independent |
| Leader2 Type: | Speaker of the House of Representatives |
| Leader2: | John McLean |
| Party2: | Independent |
| Members: | 18 Senators36 Representatives |
| Election: | 1826 |
| Meeting Place: | Vandalia, Illinois |
The 5th Illinois General Assembly, consisting of the Illinois Senate and the Illinois House of Representatives, met from December 4, 1826, to February 19, 1827, at The Vandalia State House. The apportionment of seats in the House of Representatives was based on the provisions of the First Illinois Constitution. Political parties were not established in Illinois at the time.
The 5th General Assembly was preceded by the 4th Illinois General Assembly, and was succeeded by the 6th Illinois General Assembly.
Senators and Representatives were both allotted to counties roughly by population and elected at-large within their districts. Bond and Montgomery counties shared a single senator.
| Jurisdiction(s) represented | Image | Senator | First elected | Remarks | |
|---|---|---|---|---|---|
| Bond County | 1824 | ||||
| Clark County | 1826 | ||||
| Edwards County | 1824 | ||||
| Gallatin County | 1826 | ||||
| Greene County | 1824 | ||||
| Jackson County | 1824 | Resigned February 19, 1827 | |||
| Jefferson County | 1826 | ||||
| Johnson County | 1824 | ||||
| Madison County | 1824 | ||||
| Monroe County | † | 1822 | |||
| Morgan County | 1826 | ||||
| Pope County | 1820 | ||||
| Randolph County | 1824 | ||||
| Sangamon County | 1826 | ||||
| St. Clair County | 1822 | ||||
| Union County | 1826 | ||||
| Wayne County | 1824 | ||||
| White County | 1824 |