| Year | Age | State | Party | Office | District | Stage | Pos | Votes | % |
|---|---|---|---|---|---|---|---|---|---|
| 1954 | TX | D | U.S. House | District 12 | Primary | 1 | 44,738 | 59.4% | |
| 1954 | TX | D | U.S. House | District 12 | General | 1 | 35,611 | 98.8% | |
| 1956 | TX | D | U.S. House | District 12 | General | 1 | 110,196 | 100.0% | |
| 1958 | TX | D | U.S. House | District 12 | General | 1 | 38,180 | 100.0% | |
| 1960 | TX | D | U.S. House | District 12 | General | 1 | 115,797 | 100.0% | |
| 1961 | TX | D | U.S. Senate Class 2 | Special Open Primary | 3 | 171,328 | 16.6% | ||
| 1962 | TX | D | U.S. House | District 12 | General | 1 | 53,705 | 60.6% | |
| 1964 | TX | D | U.S. House | District 12 | Primary | 1 | 70,450 | 91.3% | |
| 1964 | TX | D | U.S. House | District 12 | General | 1 | 107,896 | 68.5% | |
| 1966 | TX | D | U.S. House | District 12 | General | 1 | 27,070 | 100.0% | |
| 1968 | TX | D | U.S. House | District 12 | General | 1 | 86,069 | 100.0% | |
| 1970 | TX | D | U.S. House | District 12 | General | 1 | 62,057 | 100.0% | |
| 1972 | TX | D | U.S. House | District 12 | General | 1 | 84,356 | 100.0% | |
| 1974 | TX | D | U.S. House | District 12 | General | 1 | 42,632 | 78.7% | |
| 1976 | TX | D | U.S. House | District 12 | General | 1 | 101,814 | 75.8% | |
| 1978 | TX | D | U.S. House | District 12 | General | 1 | 46,456 | 68.5% | |
| 1980 | TX | D | U.S. House | District 12 | Primary | 1 | 21,186 | 79.6% | |
| 1980 | TX | D | U.S. House | District 12 | General | 1 | 99,104 | 59.9% | |
| 1982 | TX | D | U.S. House | District 12 | General | 1 | 78,913 | 68.9% | |
| 1984 | TX | D | U.S. House | District 12 | General | 1 | 106,299 | 100.0% | |
| 1986 | TX | D | U.S. House | District 12 | Primary | 1 | 18,135 | 90.7% | |
| 1986 | TX | D | U.S. House | District 12 | General | 1 | 84,831 | 68.7% | |
| 1988 | TX | D | U.S. House | District 12 | General | 1 | 135,459 | 99.3% | |
|
Age: Age as of July 1 of the year pertaining to this election. |