State

Name

Date of Birth

Age

Elected to Senate

Party

Massachusetts

Edward J. Markey

7/11/46

77

2013²

D

Connecticut

Richard Blumenthal

2/13/46

77

2011

D

Illinois

Richard J. Durbin

11/21/44

78

1997³

D

Maine

Angus S. King Jr

3/31/44

79

2013

I

Maryland

Benjamin L. Cardin

10/5/43

79

2007⁴

D

Idaho

James E. Risch

5/3/43

80

2009

R

Kentucky

Mitch McConnell

2/20/42

81

1985

R

Vermont

Bernard Sanders

9/8/41

81

2007⁵

I

Iowa

Charles E. Grassley

9/17/33

89

1981⁶

R

California

Dianne Feinstein

6/22/33

90

1992

D