| Congress | Total Number of the members of the US Congress | Number of African American women | Percentage of the African American Women |
| 91st Congress (1969-1971) | 450 | 1 | 0.22% |
| 92nd Congress (1971-1973) | 446 | 1 | 0.22% |
| 93rd Congress (1973-1975) | 446 | 4 | 0.89% |
| 94th Congress (1975-1977) | 447 | 4 | 0.89% |
| 95th Congress (1977-1979) | 445 | 4 | 0.89% |
| 96th Congress (1979-1981) | 444 | 2 | 0.45% |
| 97th Congress (1981-1983) | 448 | 3 | 0.66% |
| 98th Congress (1983-1985) | 446 | 2 | 0.44% |
| 99th Congress (1985-1987) | 444 | 1 | 0.22% |
| 100th Congress (1987-1989) | 448 | 1 | 0.22% |
| 101st Congress (1989-1991) | 450 | 1 | 0.22% |
| 102nd Congress (1991-1993) | 449 | 5 | 1.11% |
| 103rd Congress (1993-1995) | 448 | 10 | 2.23% |
| 104th Congress (1995-1997) | 447 | 12 | 2.68% |
| 105th Congress (1997-1999) | 449 | 14 | 3.11% |
| 106th Congress (1999-2001) | 442 | 14 | 3.16% |
| 107th Congress (2001-2003) | 448 | 15 | 3.34% |
| 108th Congress (2003-2005) | 444 | 13 | 2.92% |
| 109th Congress (2005-2007) | 445 | 14 | 3.14% |
| 110th Congress (2007-2009) | 453 | 17 | 3.75% |
| 111th Congress (2009-2011) | 451 | 14 | 3.10% |
| 112th Congress (2011-2013) | 450 | 15 | 3.33% |
| 113th Congress (2013-2015) | 449 | 17 | 3.78% |
| 114th Congress (2015-2017) | 446 | 20 | 4.48% |
| 115th Congress (2017-2019) | 455 | 22 | 4.83% |
| 116th Congress (2019-2021) | 447 | 25 | 5.59% |
| 117th Congress (2021-2023) | 450 | 30 | 6.66% |
| 118th Congress (2023-2025) | 441 | 30 | 6.80% |