1998Final results
1998 election for Missouri Senate District 4
Missouri State Senate · Missouri
William Clay Jr. (D) won with 78.7% of the vote, defeating Z. Dwight Billingsly (R) by 61.5 points.
William Clay Jr.Democrat · winner · incumbent
78.7%22,041
Z. Dwight BillingslyRepublican
17.2%4,808
David WestphalLibertarian
4.2%1,169
28,018 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 1998
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET