Elections to the United States House of Representatives were held in Pennsylvania on October 11, 1808, for the 11th Congress.

Background Eighteen Representatives had been elected in the previous election, 15 Democratic-Republicans and 3 Federalists. All three Federalists and two of the Democratic-Republicans were quids, an alliance of moderate Democratic-Republicans and Federalists. One seat held by a Democratic-Republican had become vacant prior to this election and was filled in a special election held at the same time as this election.

Congressional districts Pennsylvania was divided into 11 districts, of which four were plural districts with 11 Representatives between them, with the remaining 7 Representatives elected from single-member districts. The districts were: The (3 seats) consisted of Delaware and Philadelphia counties (including the City of Philadelphia) The (3 seats) consisted of Bucks, Luzerne, Montgomery, Northampton, and Wayne Counties The (3 seats) consisted of Berks, Chester, and Lancaster Counties The (2 seats) consisted of Cumberland, Dauphin, Huntingdon, and Mifflin Counties The consisted of Centre, Clearfield, Lycoming, McKean, Northumberland, Potter, and Tioga Counties The consisted of Adams and York Counties The consisted of Bedford and Franklin Counties The consisted of Armstrong, Cambria, Indiana, Jefferson, Somerset, and Westmoreland Counties The consisted of Fayette and Greene Counties The consisted of Washington County The consisted of Allegheny, Beaver, Butler, Crawford, Erie, Mercer, Venango, and Warren Counties

Luzerne County's western border was altered between the 1806 and 1808 elections, altering the boundary between the 2nd and 5th districts

Note: Many of these counties covered much larger areas than they do today, having since been divided into smaller counties

Election results Thirteen incumbents (10 Democratic-Republicans and 3 Federalists) ran for re-election, of whom 11 won re-election. The incumbents Jacob Richards (DR) of the , John Hiester (DR) of the , Daniel Montgomery (DR) of the and William Hoge (DR) of the did not run for re-election. There was also a vacancy in the 1st district. One seat changed from Federalist to Democratic-Republican control.

+1808 United States House election results District Democratic-Republican Quid Federalist 3 seats Benjamin SayWon special election to 10th Congress 7,598 18.5% Joseph Hemphill 6,123 14.9% John Porter (I) 7,589 18.5% Derick Peterson 6,098 14.9% William Anderson 7,559 18.4% Charles W. Hare 6,052 14.8% 3 seats Robert Brown (I) 9,218 16.9% John RossAligned with the Democratic-Republicans 9,167 16.8% John Pugh (I) 9,090 16.7% William MilnorAligned with the Federalists (I) 9,095 16.7% John Hahn 9,026 16.6% Roswell Wells 8,941 16.4% 3 seats John Whitehill 10,216 16.4% Matthias Richards (I) 10,652 17.1% Roger Davis 10,161 16.3% Daniel Hiester 10,652 17.1% William Witman 10,121 16.2% Robert Jenkins (I) 10,542 16.9% 2 seats Robert Whitehill (I) 8,807 36.7% John Gloninger 3,228 13.5% David Bard (I) 8,774 36.6% William Alexander 3,165 13.2% George Smith 7,191 82.3% John Bull 1,549 17.7% William Crawford 3,506 52.4% James Kelly (I) 3,188 47.6% John Rea (I) 3,496 61.5% Andrew Dunlap 2,191 38.5% John Kirkpatrick 1,732 29.1% William Findley (I) 2,718 45.7% Robert Philson 1,502 25.2% John Smilie (I) 3,183 67.3% Thomas Meason 1,550 32.7% Aaron Lyle (I) 3,425 76.5% John Hamilton 1,053 23.5% Samuel Smith (I) 6,206 68.3% Alexander Foster 2,885 31.7% (special) Benjamin Say 7,598 55.7% Charles W. Hare 6,046 44.3%

Special election Benjamin Say (DR) of the resigned in June, 1809, and a special election was held to fill the resulting vacancy

+1809 Special election results District Democratic-Republican Adam Seybert 5,936 59.5% Richard R. SmithRan as "American Republican" 4,043 40.5%

References Electoral data and information on districts are from the Wilkes University Elections Statistics Project