1978Flipped from DemocraticFinal resultsIncumbent defeated
1978 election for Delaware House District 31
Delaware House of Representatives · Delaware
Michael Harrington (R) won with 50.3% of the vote, defeating Karen J. Miller (D) by 0.6 points, a seat Democrats won last time.
Michael HarringtonRepublican · winner
50.3%1,928
Karen J. MillerDemocrat · incumbent
49.7%1,905
3,833 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 1978
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET