Most Liberal, Most Conservative

Updated: February 23, 2012 | 5:37 p.m.
February 23, 2012 | 4:00 p.m.

These are the members at the far end of the ideological spectrum, based on National Journal’s 2011 vote ratings.

SENATE

Most Liberal

1st (tie)
Kirsten Gillibrand, D-N.Y.: 88.7 (Composite Liberal score)
Jeff Merkley, D-Ore.: 88.7 (Composite Liberal score)

3rd (tie)
Daniel Akaka, D-Hawaii: 86.5 (Composite Liberal score)
Dick Durbin, D-Ill. : 86.5 (Composite Liberal score)

5th (tie)
Barbara Boxer, D-Calif.: 85.5 (Composite Liberal score)
Sherrod Brown, D-Ohio: 85.5 (Composite Liberal score)
Tom Harkin, D-Iowa: 85.5 (Composite Liberal score)
Barbara Mikulski, D-Md.: 85.5 (Composite Liberal score)
Tom Udall, D-N.M.: 85.5 (Composite Liberal score)

10th
Ben Cardin, D-Md.: 83.3 (Composite Liberal score)

11th
Patrick Leahy, D-Vt.: 83.2 (Composite Liberal score)

12th
Jay Rockefeller, D-W.Va.: 82.8 (Composite Liberal score)

13th
Al Franken, D-Minn.: 81.3 (Composite Liberal score)

14th
Frank Lautenberg, D-N.J.: 80.7 (Composite Liberal score)

15th (tie)
Dianne Feinstein, D-Calif.: 80.0 (Composite Liberal score)
Chuck Schumer, D-N.Y.: 80.0 (Composite Liberal score)

SENATE

Most Conservative

1st
Tom Coburn, R-Okla: 96.0 (Composite Conservative score)

2nd
Ron Johnson, R-Wis.: 94.2 (Composite Conservative score)

3rd
Mike Crapo, R-Idaho: 90.8 (Composite Conservative score)

4th
Michael Enzi, R-Wyo.: 90.2 (Composite Conservative score)

5th
John Barrasso, R-Wyo.: 89.3 (Composite Conservative score)

6th
David Vitter, R-La.: 89.0 (Composite Conservative score)

7th (tie)
Richard Burr, R-N.C.: 88.7 (Composite Conservative score)
James Risch, R-Idaho: 88.7 (Composite Conservative score)

9th
James Inhofe, R-Okla.: 88.5 (Composite Conservative score)

10th
Jim DeMint, R-S.C.: 86.2 (Composite Conservative score)

11th
Mitch McConnell, R-Ky.: 85.7 (Composite Conservative score)

12th
Jeff Sessions, R-Ala.: 83.8 (Composite Conservative score)

13th
Marco Rubio, R-Fla.: 83.3 (Composite Conservative score)

14th
John Cornyn, R-Texas: 83.0 (Composite Conservative score)

15th
Orrin Hatch, R-Utah: 82.3 (Composite Conservative score)

HOUSE

Most Liberal

1st (tie)
Michael Capuano, D-Mass.: 93.3 (Composite Liberal score)
Judy Chu, D-Calif.: 93.3 (Composite Liberal score)
Hansen Clarke, D-Mich.: 93.3 (Composite Liberal score)
William Lacy Clay, D-Mo.: 93.3 (Composite Liberal score)
Donna Edwards, D-Md.: 93.3 (Composite Liberal score)
Keith Ellison, D-Minn.: 93.3 (Composite Liberal score)
Bob Filner, D-Calif.: 93.3 (Composite Liberal score)
Raul Grijalva, D-Ariz.: 93.3 (Composite Liberal score)
Mike Honda, D-Calif.: 93.3 (Composite Liberal score)
Jesse Jackson Jr., D-Ill.: 93.3 (Composite Liberal score)
Barbara Lee, D-Calif.: 93.3 (Composite Liberal score)
Grace Napolitano, D-Calif.: 93.3 (Composite Liberal score)
John Olver, D-Mass.: 93.3 (Composite Liberal score)
Frank Pallone, D-N.J.: 93.3 (Composite Liberal score)
Donald Payne, D-N.J.: 93.3 (Composite Liberal score)
Jose Serrano, D-N.Y.: 93.3 (Composite Liberal score)
Pete Stark, D-Calif.: 93.3 (Composite Liberal score)
Paul Tonko, D-N.Y.: 93.3 (Composite Liberal score)
Lynn Woolsey, D-Calif.: 93.3 (Composite Liberal score)

20th
Nydia Velazquez, D-N.Y.: 92.0 (Composite Liberal score)

21st (tie)
Tammy Baldwin, D-Wis.: 91.5 (Composite Liberal score)
John Lewis, D-Ga.: 91.5 (Composite Liberal score)
Jim McGovern, D-Mass.: 91.5 (Composite Liberal score)

24th
John Garamendi, D-Calif.: 91.2 (Composite Liberal score)

25th
Barney Frank, D-Mass.: 90.8 (Composite Liberal score)

HOUSE

Most Conservative

1st (tie)
Diane Black, R-Tenn.: 94.0 (Composite Conservative score)
Stephen Fincher, R-Tenn.: 94.0 (Composite Conservative score)
Phil Gingrey, R-Ga.: 94.0 (Composite Conservative score)
Doug Lamborn, R-Colo.: 94.0 (Composite Conservative score)
Bob Latta, R-Ohio: 94.0 (Composite Conservative score)
Jeff Miller, R-Fla.: 94.0 (Composite Conservative score)
Tom Price, R-Ga.: 94.0 (Composite Conservative score)
Ben Quayle, R-Ariz.: 94.0 (Composite Conservative score)
Dennis Ross, R-Fla.: 94.0 (Composite Conservative score)
Lynn Westmoreland, R-Ga.: 94.0 (Composite Conservative score)

11th (tie)
John Carter, R-Texas: 91.7 (Composite Conservative score)
Duncan D. Hunter, R-Calif.: 91.7 (Composite Conservative score)
Pete Sessions, R-Texas: 91.7 (Composite Conservative score)
Steve Scalise, R-La.: 91.7 (Composite Conservative score)

15th (tie)
Ann Marie Buerkle, R-N.Y.: 91.2 (Composite Conservative score)
Renee Ellmers, R-N.C.: 91.2 (Composite Conservative score)
Jeb Hensarling, R-Texas: 91.2 (Composite Conservative score)
Mike Pompeo, R-Kan.: 91.2 (Composite Conservative score)

19th
Mike Pence, R-Ind.: 90.7 (Composite Conservative score)

20th
Patrick McHenry, R-N.C.: 90.3 (Composite Conservative score)

21st (tie)
Steve Chabot, R-Ohio: 89.7 (Composite Conservative score)
Chuck Fleischmann, R-Tenn.: 89.7 (Composite Conservative score)
Tom Rooney, R-Fla.: 89.7 (Composite Conservative score)

24th
Bill Flores, R-Texas: 89.2 (Composite Conservative score)

25th
Kevin McCarthy, R-Calif.: 88.8 (Composite Conservative score)

This article appears in the Feb. 25, 2012, edition of National Journal.

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