The 110th United States Congress began on January 3, 2007. There were 10 new senators (eight Democrats, one Republican, one independent) and 54 new representatives (41 Democrats, 13 Republicans) at the start of its first session. Additionally, two senators (both Republicans) and 13 representatives (nine Democrats, four Republicans) took office on various dates in order to fill vacancies during the 110th Congress before it ended on January 3, 2009.
The representatives comprise a diverse group reflecting the multiculturalism of the United States. One representative graduated with a high school class of 25; another is said to have a net worth of $50 million. Backgrounds include teachers, musicians, authors, engineers, a vice admiral, and a professional football player. Religions include Christianity, Buddhism, Judaism, and Islam (none claims to be atheist or agnostic). When taking office, ages ranged from 33 to 66, placing the class mostly in the baby boomer and generation X categories. Of this group 12 are female.
| State | Image | Senator | Took office | Party change | Prior background | Birth year |
|---|---|---|---|---|---|---|
| Wyoming |  | John Barrasso (R) | June 25, 2007 | No Appointed; replaced Craig Thomas (R) | Wyoming Senate | 1952 |
| Mississippi |  | Roger Wicker (R) | December 31, 2007 | No Appointed; replaced Trent Lott (R) | U.S. House of Representatives Mississippi Senate | 1951 |
| District | Image | Representative | Party change | Prior background | Birth year |
|---|---|---|---|---|---|
| Arizona 5 |  | Harry Mitchell (D) | Yes | Mayor of Tempe | 1940 |
| Arizona 8 |  | Gabby Giffords (D) | Yes | State Senator | 1970 |
| California 11 |  | Jerry McNerney (D) | Yes | Engineer | 1951 |
| California 22 |  | Kevin McCarthy (R) | No | State Assemblyman | 1965 |
| Colorado 5 |  | Doug Lamborn (R) | No | State Senator | 1954 |
| Colorado 7 |  | Ed Perlmutter (D) | Yes | State Senator | 1953 |
| Connecticut 2 |  | Joe Courtney (D) | Yes | State Representative | 1953 |
| Connecticut 5 |  | Chris Murphy (D) | Yes | State Senator | 1973 |
| Florida 9 |  | Gus Bilirakis (R) | No | State Representative | 1963 |
| Florida 11 |  | Kathy Castor (D) | No | Hillsborough County Commissioner | 1966 |
| Florida 13 |  | Vern Buchanan (R) | No | Business owner | 1951 |
| Florida 16 |  | Tim Mahoney (D) | Yes | COO of vFinance | 1956 |
| Florida 22 |  | Ron Klein (D) | Yes | State Senator | 1957 |
| Georgia 4 |  | Hank Johnson (D) | No | County Commissioner | 1954 |
| Hawaii 2 |  | Mazie Hirono (D) | No | Lieutenant Governor | 1947 |
| Idaho 1 |  | Bill Sali (R) | No | State Representative | 1954 |
| Illinois 6 |  | Peter Roskam (R) | No | State Senator | 1961 |
| Illinois 17 |  | Phil Hare (D) | No | Union President | 1949 |
| Indiana 2 |  | Joe Donnelly (D) | Yes | Lawyer | 1955 |
| Indiana 8 |  | Brad Ellsworth (D) | Yes | Vanderburgh County Sheriff | 1958 |
| Indiana 9 |  | Baron Hill (D) | Yes | former U.S. Representative | 1953 |
| Iowa 1 |  | Bruce Braley (D) | Yes | Lawyer | 1957 |
| Iowa 2 |  | David Loebsack (D) | Yes | Political Science Professor | 1952 |
| Kansas 2 |  | Nancy Boyda (D) | Yes | Chemist | 1955 |
| Kentucky 3 |  | John Yarmuth (D) | Yes | Publisher | 1947 |
| Maryland 3 |  | John Sarbanes (D) | No | Lawyer | 1962 |
| Michigan 7 |  | Tim Walberg (R) | No | State Representative | 1951 |
| Minnesota 1 |  | Tim Walz (D) | Yes | Teacher | 1964 |
| Minnesota 5 |  | Keith Ellison (D) | No | State Representative | 1963 |
| Minnesota 6 |  | Michele Bachmann (R) | No | State Senator | 1956 |
| Nebraska 3 |  | Adrian Smith (R) | No | State Legislator | 1970 |
| Nevada 2 |  | Dean Heller (R) | No | Secretary of State | 1960 |
| New Hampshire 1 |  | Carol Shea-Porter (D) | Yes | Social Worker | 1954 |
| New Hampshire 2 |  | Paul Hodes (D) | Yes | Assistant State Attorney General | 1951 |
| New York 11 |  | Yvette D. Clarke (D) | No | New York City Council member | 1964 |
| New York 19 |  | John Hall (D) | Yes | Musician | 1948 |
| New York 20 |  | Kirsten Gillibrand (D) | Yes | Lawyer | 1966 |
| New York 24 |  | Michael Arcuri (D) | Yes | Oneida County District Attorney | 1959 |
| North Carolina 11 |  | Heath Shuler (D) | Yes | Real estate professional and former NFL player | 1971 |
| Ohio 4 |  | Jim Jordan (R) | No | State Senator | 1964 |
| Ohio 6 |  | Charlie Wilson (D) | No | State Senator | 1943 |
| Ohio 13 |  | Betty Sutton (D) | No | State Representative | 1963 |
| Ohio 18 |  | Zack Space (D) | Yes | City Law Director | 1961 |
| Oklahoma 5 |  | Mary Fallin (R) | No | Lieutenant Governor | 1954 |
| Pennsylvania 4 |  | Jason Altmire (D) | Yes | Healthcare Executive | 1968 |
| Pennsylvania 7 |  | Joe Sestak (D) | Yes | Navy vice admiral | 1951 |
| Pennsylvania 8 |  | Patrick Murphy (D) | Yes | Professor | 1973 |
| Pennsylvania 10 |  | Chris Carney (D) | Yes | Associate Professor | 1959 |
| Tennessee 1 |  | David Davis (R) | No | State Representative | 1959 |
| Tennessee 9 |  | Steve Cohen (D) | No | State Senator | 1949 |
| Texas 22 |  | Nick Lampson (D) | Yes | former U.S. Representative | 1945 |
| Texas 23 |  | Ciro Rodriguez (D) | Yes | former U.S. Representative | 1946 |
| Vermont At-Large |  | Peter Welch (D) | Yes/No [1] | State Senator | 1947 |
| Wisconsin 8 |  | Steve Kagen (D) | Yes | Medical Doctor | 1949 |
| District | Representative | Took office | Party change | Prior background | Birth year | |
|---|---|---|---|---|---|---|
| Georgia 10 |  | Paul Broun (R) | July 17, 2007 | No | Medical Doctor | 1946 |
| California 37 |  | Laura Richardson (D) | August 21, 2007 | No | State Assemblywoman | 1962 |
| Massachusetts 5 |  | Niki Tsongas (D) | October 16, 2007 | No | College dean | 1946 |
| Ohio 5 |  | Bob Latta (R) | December 11, 2007 | No | State Representative | 1956 |
| Virginia 1 |  | Rob Wittman (R) | December 11, 2007 | No | State Delegate | 1959 |
| Illinois 14 |  | Bill Foster (D) | March 8, 2008 | Yes | Physicist | 1955 |
| Indiana 7 |  | André Carson (D) | March 11, 2008 | No | City Councilor | 1974 |
| Mississippi 1 |  | Travis Childers (D) | May 13, 2008 | Yes | County Clerk | 1958 |
| Louisiana 1 |  | Steve Scalise (R) | May 3, 2008 | No | State Senator | 1965 |
| Louisiana 6 |  | Don Cazayoux (D) | May 3, 2008 | Yes | State Representative | 1964 |
| California 12 |  | Jackie Speier (D) | May 14, 2008 | No | State Senator | 1950 |
| Maryland 4 |  | Donna Edwards (D) | June 17, 2008 | No | Community activist | 1958 |
| Ohio 11 |  | Marcia Fudge (D) | November 18, 2008 | No | Mayor of Warrensville Heights | 1952 |
These are tables of congressional delegations from Indiana to the United States House of Representatives and the United States Senate.
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