1990Final results
1990 election for Massachusetts House District 47
Massachusetts House of Representatives · Massachusetts
Michael R. Knapik (R) won with 59.8% of the vote, defeating William R. Chiba Jr. (D) by 19.5 points.
Michael R. KnapikRepublican · winner
59.8%8,264
William R. Chiba Jr.Democrat
40.2%5,566
13,830 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 1990
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET