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_ |
|---|---|---|---|---|---|
| 304 | Tom Cole | R | OK-4 | January 3, 2003 |  |
| 305 | Artur Davis | D | AL-7 | January 3, 2003 |  |
| 306 | Lincoln Davis | D | TN-4 | January 3, 2003 |  |
| 307 | Mario Diaz-Balart | R | FL-25 | January 3, 2003 |  |
| 308 | Rahm Emanuel | D | IL-05 | January 3, 2003 | Democratic Caucus Chairman , Resigned January 2, 2009 |
| 309 | Tom Feeney | R | FL-24 | January 3, 2003 | Left the House in 2009. |
| 310 | Trent Franks | R | AZ-2 | January 3, 2003 |  |
| 311 | Scott Garrett | R | NJ-05 | January 3, 2003 |  |
| 312 | Jim Gerlach | R | PA-06 | January 3, 2003 |  |
| 313 | Phil Gingrey | R | GA-11 | January 3, 2003 |  |
| 314 | Raúl Grijalva | D | AZ-7 | January 3, 2003 |  |