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_ |
|---|---|---|---|---|---|
| 420 | Patrick Murphy | D | PA-08 | January 4, 2007 |  |
| 421 | Ed Perlmutter | D | CO-7 | January 4, 2007 |  |
| 422 | Peter Roskam | R | IL-06 | January 4, 2007 |  |
| 423 | Bill Sali | R | ID-1 | January 4, 2007 | Left the House in 2009. |
| 424 | John Sarbanes | D | MD-3 | January 4, 2007 |  |
| 425 | Joe Sestak | D | PA-07 | January 4, 2007 |  |
| 426 | Heath Shuler | D | NC-11 | January 4, 2007 |  |
| 427 | Carol Shea-Porter | D | NH-1 | January 4, 2007 |  |
| 428 | Adrian Smith | R | NE-3 | January 4, 2007 |  |
| 429 | Zack Space | D | OH-18 | January 4, 2007 |  |
| 430 | Betty Sutton | D | OH-13 | January 4, 2007 |  |
| 431 | Tim Walberg | R | MI-07 | January 4, 2007 | Left the House in 2009. |