List of United States Representatives in the 110th Congress by seniority U.S. House seniority list U.S. House seniority

| Rank_ | Representative | Party | District | Seniority_date | Notes_ |
|---|---|---|---|---|---|
| 43 | Bart Gordon | D | TN-6 | January 3, 1985 | Chair of the Science and Technology Committee |
| 44 | Paul Kanjorski | D | PA-11 | January 3, 1985 |  |
| 45 | Peter Visclosky | D | IN-1 | January 3, 1985 |  |
| 46 | Richard Baker | R | LA-6 | January 3, 1987 | Resigned February 2, 2008 |
| 47 | Peter DeFazio | D | OR-4 | January 3, 1987 |  |
| 48 | Elton Gallegly | R | CA-24 | January 3, 1987 |  |
| 49 | Dennis Hastert | R | IL-14 | January 3, 1987 | Resigned November 26, 2007 |
| 50 | Wally Herger | R | CA-02 | January 3, 1987 |  |
| 51 | John Lewis | D | GA-05 | January 3, 1987 |  |
| 52 | Louise Slaughter | D | NY-28 | January 3, 1987 | Chair of the Rules Committee |
| 53 | Lamar Smith | R | TX-21 | January 3, 1987 | Ranking member of the Judiciary Committee |