2010Flipped from DemocraticFinal resultsIncumbent defeated
2010 election for Pennsylvania House District 189
Pennsylvania House of Representatives · Pennsylvania
Rosemary Brown (R) won with 54.9% of the vote, defeating John J. Siptroth (D) by 9.7 points, a seat Democrats won last time.
Rosemary BrownRepublican · winner
54.9%9,912
John J. SiptrothDemocrat · incumbent
45.1%8,157
18,069 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 2010
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET