| No. | Portrait | Name | Senate vote | Term of office | State of residence | President | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| Took office | Left office | Duration | ||||||||
| 1 | .jpg)
|
Tom Ridge (born 1945) |
94–0 | January 24, 2003 | February 1, 2005 | 2 years, 8 days |  Pennsylvania
|
George W. Bush | ||
| 2 | .jpg)
|
Michael Chertoff (born 1953) |
98–0 | February 15, 2005 | January 21, 2009 | 3 years, 341 days |  New Jersey
| |||
| 3 | .jpg)
|
Janet Napolitano (born 1957) |
Voice vote | January 21, 2009 | September 6, 2013 | 4 years, 228 days |  Arizona
|
Barack Obama | ||
| 4 | .jpg)
|
Jeh Johnson (born 1957) |
78–16 | December 23, 2013 | January 20, 2017 | 3 years, 28 days | New Jersey
| |||
| 5 | .jpg)
|
John F. Kelly (born 1950) |
88–11 | January 20, 2017 | July 31, 2017 | 192 days |  Massachusetts
|
Donald Trump | ||
| 6 | .jpg)
|
Kirstjen Nielsen (born 1972) |
62–37 | December 6, 2017 | April 10, 2019 | 1 year, 125 days |  Florida
| |||
| 7 | .jpg)
|
Alejandro Mayorkas (born 1959) |
56–43 | February 2, 2021 | Incumbent | 3 years, 225 days |  District of Columbia
|
Joe Biden | ||