110th Congress Freshman Class
| Governors | |||
| State | Freshman | Party | Replaces |
| AK | Sarah Palin | R | Frank Murkowski (R) |
| AR | Mike Beebe | D | Mike Huckabee (R) |
| CO | Bill Ritter | D | Bill Owens (R) |
| FL | Charlie Crist | R | Jeb Bush (R) |
| IA | Chet Culver | D | Tom Vilsack (D) |
| ID | C. L. Otter | R | Jim Risch (R) |
| MA | Deval Patrick | D | Mitt Romney (R) |
| MD | Martin O'Malley | D | Bob Ehrlich (R) |
| NV | Jim Gibbons | R | Kenny Guinn (R) |
| NY | Eliot Spitzer | D | George Pataki (R) |
| OH | Ted Strickland | D | Bob Taft (R) |
| Senate | |||
| State | Freshman | Party | Replaces |
| MD | Benjamin Cardin | D | Paul Sarbanes (D) |
| MO | Claire McCaskill | D | Jim Talent (R) |
| MN | Amy Klobuchar | D | Mark Dayton (D) |
| MT | Jon Tester | D | Conrad Burns (R) |
| OH | Sherrod Brown | D | Mike DeWine (R) |
| PA | Robert Casey Jr. | D | Rick Santorum (R) |
| RI | Sheldon Whitehouse | D | Lincoln Chafee (R) |
| TN | Bob Corker | R | Bill Frist (R) |
| VT | Bernard Sanders | D | Jim Jeffords (I) |
| VA | Jim Webb | D | George Allen (R) |
| House of Representatives | |||||
| State | District | Freshman | Party | Replaces | |
| AZ | 5 | Harry Mitchell | D | JD Hayworth (R) | |
| AZ | 8 | Gabrielle Giffords | D | Jim Kolbe (R) | |
| CA | 11 | Jerry McNerney | D | Richard Pombo (R) | |
| CA | 22 | Kevin McCarthy | R | Bill Thomas (R) | |
| CO | 5 | Doug Lamborn | R | Joel Hefley (R) | |
| CO | 7 | Ed Perlmutter | D | Bob Beauprez (R) | |
| CT | 2 | Joe Courtney | D | Rob Simmons (R) | |
| CT | 5 | Chris Murphy | D | Nancy Johnson (R) | |
| FL | 9 | Gus Bilirakis | R | Mike Bilirakis (R) | |
| FL | 11 | Kathy Castor | D | Jim Davis (D) | |
| FL | 13 | Vern Buchanan | R | Katherine Harris (R) | |
| FL | 16 | Tim Mahoney | D | Mark Foley (R) | |
| FL | 22 | Ron Klein | D | Clay Shaw (R) | |
| GA | 4 | Hank Johnson, Jr. | D | Cynthia McKinney (D) | |
| HI | 2 | Mazie Hirono | D | Ed Case (D) | |
| ID | 1 | Bill Sali | R | Butch Otter (R) | |
| IL | 6 | Pete Roskam | R | Henry Hyde (R) | |
| IL | 17 | Phil Hare | D | Lane Evans (D) | |
| IN | 2 | Joseph Donnelly | D | Chris Chocola (R) | |
| IN | 8 | Brad Ellsworth | D | John Hostettler (R) | |
| IN | 9 | Baron P. Hill | D | Mike Sodrel (R) | |
| IA | 1 | Bruce Braley | D | Jim Nussle (R) | |
| IA | 2 | Dave Loebsack | D | Jim Leach (R) | |
| KY | 3 | John Yarmuth | D | Ann Northup (R) | |
| KS | 2 | Nancy Boyda | D | Jim Ryun (R) | |
| MD | 3 | John P. Sarbanes | D | Ben Cardin (D) | |
| MI | 7 | Tim Walburg | R | Joe Schwarz (R) | |
| MN | 1 | Tim Walz | D | Gil Gutknecht (R) | |
| MN | 5 | Keith Ellison | D | Martin Sabo (D) | |
| MN | 6 | Michele Bachmann | R | Mark Kennedy (R) | |
| NC | 11 | Heath Shuler | D | Charles Taylor (R) | |
| NE | 3 | Adrian Smith | R | Tom Osbourne (R) | |
| NH | 1 | Carol Shea-Porter | D | Jeb Bradley (R) | |
| NH | 2 | Paul Hodes | D | Charlie Bass (R) | |
| NV | 2 | Dean Heller | R | Jim Gibbons (R) | |
| NJ | 13 | Albio Sires | D | Robert Menendez (D) | |
| NY | 11 | Yvette Clarke | D | Major Owens (D) | |
| NY | 19 | John Hall | D | Sue Kelly (R) | |
| NY | 20 | Kirsten Gillibrand | D | John Sweeney (R) | |
| NY | 24 | Michael Arcuri | D | Sherwood Boehlert (R) | |
| OH | 4 | Jim Jordan | R | Michael Oxley (R) | |
| OH | 6 | Charlie Wilson | D | Ted Strickland (D) | |
| OH | 13 | Betty Sutton | D | Sherrod Brown (D) | |
| OH | 18 | Zack Space | D | Bob Ney (R) | |
| OK | 5 | Mary Fallin | R | Ernest Istook (R) | |
| PA | 4 | Jason Altmire | D | Melissa Hart (R) | |
| PA | 7 | Joe Sestak | D | Curt Weldon (R) | |
| PA | 8 | Patrick Murphy | D | Mike Fitzpatrick (R) | |
| PA | 10 | Christopher Carney | D | Don Sherwood (R) | |
| TN | 1 | David Davis | R | Bill Jenkins (R) | |
| TN | 9 | Steve Cohen | D | Harold Ford (D) | |
| TX | 22 | Nick Lampson | D | Tom DeLay (R) | |
| TX | 23 | Ciro Rodriguez | D | Henry Bonilla (R) | |
| VT | A/L | Peter Welch | D | Bernie Sanders (I) | |
| WI | 8 | Steve Kagen | D | Mark Green (R) | |
