1978Final results
1978 election for Maryland Legislative District 18
Maryland State Senate · Maryland
Margaret Schweinhaut (D) won with 71.9% of the vote, defeating Donald H. Dalton (R) by 43.9 points.
Margaret SchweinhautDemocrat · winner · incumbent
71.9%16,359
Donald H. DaltonRepublican
28.1%6,382
22,741 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