US Federal Government Directory › Rankings › Longest serving members
Longest serving members
The top 50 members by service, out of 539 members with comparable data.
| # | Member | Seat | Party | Service |
|---|---|---|---|---|
| 1 | Chuck Grassley | IA · Senior Senator | Republican | 51.70 years |
| 2 | Edward J. Markey | MA · Junior Senator | Democrat | 51.70 years |
| 3 | Charles E. Schumer | NY · Senior Senator | Democrat | 45.70 years |
| 4 | Ron Wyden | OR · Senior Senator | Democrat | 45.70 years |
| 5 | Harold Rogers | KY · District 5 | Republican | 45.70 years |
| 6 | Steny H. Hoyer | MD · District 5 | Democrat | 45.70 years |
| 7 | Christopher H. Smith | NJ · District 4 | Republican | 45.70 years |
| 8 | Richard J. Durbin | IL · Senior Senator | Democrat | 43.70 years |
| 9 | Marcy Kaptur | OH · District 9 | Democrat | 43.70 years |
| 10 | Mitch McConnell | KY · Senior Senator | Republican | 41.70 years |
| 11 | Nancy Pelosi | CA · District 11 | Democrat | 39.70 years |
| 12 | Kweisi Mfume | MD · District 7 | Democrat | 39.70 years |
| 13 | Frank Pallone, Jr. | NJ · District 6 | Democrat | 39.70 years |
| 14 | Richard E. Neal | MA · District 1 | Democrat | 37.70 years |
| 15 | Jack Reed | RI · Senior Senator | Democrat | 35.70 years |
| 16 | Bernard Sanders | VT · Senior Senator | Independent | 35.70 years |
| 17 | Maxine Waters | CA · District 43 | Democrat | 35.70 years |
| 18 | Rosa L. DeLauro | CT · District 3 | Democrat | 35.70 years |
| 19 | Eleanor Holmes Norton | DC · Non-voting delegate | Democrat | 35.70 years |
| 20 | Jerrold Nadler | NY · District 12 | Democrat | 33.90 years |
| 21 | Mike Crapo | ID · Senior Senator | Republican | 33.70 years |
| 22 | Maria Cantwell | WA · Junior Senator | Democrat | 33.70 years |
| 23 | Patty Murray | WA · Senior Senator | Democrat | 33.70 years |
| 24 | Ken Calvert | CA · District 41 | Republican | 33.70 years |
| 25 | Sanford D. Bishop, Jr. | GA · District 2 | Democrat | 33.70 years |
| 26 | Cleo Fields | LA · District 6 | Democrat | 33.70 years |
| 27 | Nydia M. Velázquez | NY · District 7 | Democrat | 33.70 years |
| 28 | James E. Clyburn | SC · District 6 | Democrat | 33.70 years |
| 29 | Robert C. "Bobby" Scott | VA · District 3 | Democrat | 33.70 years |
| 30 | Bennie G. Thompson | MS · District 2 | Democrat | 33.50 years |
| 31 | Frank D. Lucas | OK · District 3 | Republican | 33.40 years |
| 32 | Roger F. Wicker | MS · Senior Senator | Republican | 31.70 years |
| 33 | Zoe Lofgren | CA · District 18 | Democrat | 31.70 years |
| 34 | Lloyd Doggett | TX · District 37 | Democrat | 31.70 years |
| 35 | Jerry Moran | KS · Senior Senator | Republican | 29.70 years |
| 36 | Susan M. Collins | ME · Senior Senator | Republican | 29.70 years |
| 37 | John Thune | SD · Senior Senator | Republican | 29.70 years |
| 38 | Robert B. Aderholt | AL · District 4 | Republican | 29.70 years |
| 39 | Brad Sherman | CA · District 32 | Democrat | 29.70 years |
| 40 | Diana DeGette | CO · District 1 | Democrat | 29.70 years |
| 41 | Danny K. Davis | IL · District 7 | Democrat | 29.70 years |
| 42 | James P. McGovern | MA · District 2 | Democrat | 29.70 years |
| 43 | Gregory W. Meeks | NY · District 5 | Democrat | 29.70 years |
| 44 | Pete Sessions | TX · District 17 | Republican | 29.70 years |
| 45 | Adam Smith | WA · District 9 | Democrat | 29.70 years |
| 46 | Tammy Baldwin | WI · Junior Senator | Democrat | 27.70 years |
| 47 | Mike Thompson | CA · District 4 | Democrat | 27.70 years |
| 48 | John B. Larson | CT · District 1 | Democrat | 27.70 years |
| 49 | Michael K. Simpson | ID · District 2 | Republican | 27.70 years |
| 50 | Janice D. Schakowsky | IL · District 9 | Democrat | 27.70 years |
Years of service in Congress. Missing values are never ranked as zero.