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_ |
|---|---|---|---|---|---|
| 408 | Paul Hodes | D | NH-2 | January 4, 2007 |  |
| 409 | Hank Johnson | D | GA-04 | January 4, 2007 |  |
| 410 | Jim Jordan | R | OH-04 | January 4, 2007 |  |
| 411 | Steve Kagen | D | WI-8 | January 4, 2007 |  |
| 412 | Ron Klein | D | FL-22 | January 4, 2007 |  |
| 413 | Doug Lamborn | R | CO-5 | January 4, 2007 |  |
| 414 | Dave Loebsack | D | IA-2 | January 4, 2007 |  |
| 415 | Tim Mahoney | D | FL-16 | January 4, 2007 | Left the House in 2009. |
| 416 | Kevin McCarthy | R | CA-22 | January 4, 2007 |  |
| 417 | Jerry McNerney | D | CA-11 | January 4, 2007 |  |
| 418 | Harry Mitchell | D | AZ-5 | January 4, 2007 |  |
| 419 | Christopher Murphy | D | CT-5 | January 4, 2007 |  |