Kentucky elected its members August 7, 1820.
| District | Incumbent | This race |
|---|
| Member | Party | First elected | Results | Candidates |
|---|
| KY|1|X}} | David Trimble | Democratic-Republican | 1816 | Incumbent re-elected. | √ David Trimble (Democratic-Republican) 68.5%
William P. Fleming 31.5% |
| KY|2|X}} | Henry Clay | Democratic-Republican | 1810
1814 (Resigned)
1814
1815 (Seat declared vacant)
1815 (Special) | Incumbent retired.
New member elected.
Democratic-Republican hold. | √ Samuel H. Woodson (Democratic-Republican) 59.4%
John Pope (Democratic-Republican) 37.8%
Thomas T. Barr 2.8% |
| KY|3|X}} | William Brown | Democratic-Republican | 1818 | Incumbent retired.
New member elected.
Democratic-Republican hold. | √ John T. Johnson (Democratic-Republican) 98.6%
Thomas A. Grimes 1.4% |
| KY|4|X}} | Thomas Metcalfe | Democratic-Republican | 1818 | Incumbent re-elected. | √ Thomas Metcalfe (Democratic-Republican){{efn | name="nr" | Source does not give numbers of votes or has incomplete data.}} |
| KY|5|X}} | Alney McLean | Democratic-Republican | 1814
1816 (Retired)
1818 | Incumbent retired.
New member elected.
Democratic-Republican hold. | √ Anthony New (Democratic-Republican){{efn | name="nr"}}
John Daviess
Dickson Gwen |
| KY|6|X}} | David Walker | Democratic-Republican | 1816 | Incumbent died March 1, 1820.
New member elected.
Democratic-Republican hold.
Successor also elected to finish the term. | √ Francis Johnson (Democratic-Republican) 57.2%
John Breathitt 41.8%
Willis Wills 1.0% |
| KY|7|X}} | George Robertson | Democratic-Republican | 1816 | Incumbent re-elected.
Incumbent resigned sometime before the start of the new Congress, leading to an August 6, 1821 special election. | √ George Robertson (Democratic-Republican){{efn | name="nr"}} |
| KY|8|X}} | Richard C. Anderson, Jr. | Democratic-Republican | 1816 | Incumbent retired.
New member elected.
Democratic-Republican hold.
Successor died October 13, 1821, leading to a November 22, 1821 special election. | √ Wingfield Bullock (Democratic-Republican){{efn | name="nr"}}
Norborne B. Beall
Samuel Churchill
John Logan |
| KY|9|X}} | Tunstall Quarles | Democratic-Republican | 1816 | Incumbent resigned June 15, 1820.
New member elected.
Democratic-Republican hold.
Successor also elected to finish the term. | √ Thomas Montgomery (Democratic-Republican){{efn | name="nr"}} |
| KY|10|X}} | Benjamin Hardin | Democratic-Republican | 1814
1816 (Retired)
1818 | Incumbent re-elected. | √ Benjamin Hardin (Democratic-Republican){{efn | name="nr"}}
Richard Rudd
John Hays |