| Illinois's at-large congressional district | |
|---|---|
| Obsolete district | |
| Created | 1818 1860 1890 1910 |
| Eliminated | 1830 1870 1895 1949 |
| Years active | 1818–1833 1863–1873 1893–1895 1913–1949 |
Illinois elected its United States Representative at-Large on a general ticket upon achieving statehood December 3, 1818. It last elected a US Representative in the Election of 1946. The district has been inactive since.