1972Final resultsIncumbent defeated
1972 primary for Texas Senate District 20
Texas State Senate · Texas
Mike McKinnon (D) won with 59.1% of the vote, defeating Ronald Bridges (D) by 18.1 points.
Mike McKinnonDemocrat · winner
59.1%47,603
Ronald BridgesDemocrat · incumbent
40.9%32,999
80,602 votes
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET