1988Final results
1988 Republican primary for Georgia House District 20
Georgia House of Representatives · Georgia
Herman Clark (R) won with 23.4% of the vote, defeating Joanne M. Thurston (R) by 9.9 points.
Herman ClarkRepublican · winner
23.4%6,995
Jack VaughanRepublican · winner
22.1%6,616
Gresham HowrenRepublican · winner
20.5%6,146
Earl EhrhartRepublican · winner
14.2%4,247
Joanne M. ThurstonRepublican
13.5%4,031
Ronnie KnightonRepublican
6.3%1,877
29,912 votes
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET