1986Final results
1986 election for Texas Senate District 21
Texas State Senate · Texas
Judith Zaffirini (D) won with 52.1% of the vote, defeating Bennie Bock (R) by 4.2 points.
Judith ZaffiriniDemocrat · winner
52.1%59,577
Bennie BockRepublican
47.9%54,791
114,368 votes
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET
The seat over time
D − R margin in this seat's races around 1986
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET