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_ |
|---|---|---|---|---|---|
| 223 | Robert Brady | D | PA-01 | May 19, 1998 | Chair of the House Administration Committee |
| 224 | Heather Wilson | R | NM-1 | June 23, 1998 | Left the House in 2009 |
| 225 | Jay Inslee | D | WA-1 | January 3, 1999 | Previously served from 1993 to 1995. |
| 226 | Brian Baird | D | WA-3 | January 3, 1999 |  |
| 227 | Tammy Baldwin | D | WI-2 | January 3, 1999 |  |
| 228 | Shelley Berkley | D | NV-1 | January 3, 1999 |  |
| 229 | Judy Biggert | R | IL-13 | January 3, 1999 |  |
| 230 | Mike Capuano | D | MA-08 | January 3, 1999 |  |
| 231 | Joe Crowley | D | NY-07 | January 3, 1999 |  |
| 232 | Charlie Gonzalez | D | TX-20 | January 3, 1999 |  |
| 233 | Robin Hayes | R | NC-08 | January 3, 1999 | Left the House in 2009. |