1980Final results
1980 Democratic primary for Texas Senate District 31
Texas State Senate · Texas
William Sarpalius (D) won with 71.2% of the vote, defeating Gerald McCathern (D) by 42.4 points.
William SarpaliusDemocrat · winner
71.2%36,621
Gerald McCathernDemocrat
28.8%14,804
51,425 votes
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET