Illinois elected its member August 7, 1820.
District | Incumbent | This race | |||
---|---|---|---|---|---|
Member | Party | First elected | Results | Candidates | |
Illinois at-large | Daniel P. Cook | Democratic-Republican | 1819 | Incumbent re-elected. | √ Daniel P. Cook (Democratic-Republican) 64.7% Elias Kane 35.2% John McLean (Democratic-Republican) 0.1% |