Pennsylvania · 2012 presidential election

Pennsylvania presidential election results 2012

Barack Obama carried Pennsylvania by 5.39 points (309,840 votes), winning 20 electoral votes.

Electoral votes: 20
Votes counted: 5,753,670
PA result: D+5.4
Compared with the nation: 1.5 pts more Democratic
Swing since 2008: 4.9 pts to R

Statewide result

Candidate	Party	Votes	Share	Electoral votes
Barack Obama	Democratic	2,990,274	52.10%	20
Mitt Romney	Republican	2,680,434	46.70%	—
Total votes		5,753,670

Sources: pa.pdf · 2012

County resultsMIT Election Lab

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MIT Election Data and Science Lab, County Presidential Election Returns 2000-2016 (compiled from official state election records)
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Each county coloured by its winner and shaded by margin. Tap one for its history.

County	Barack Obama	Mitt Romney	Others	Total	Margin
Adams	15,091	26,767	599	42,457	27.5
Allegheny	352,687	262,039	7,355	622,081	14.6
Armstrong	9,045	20,142	415	29,602	37.5
Beaver	37,055	42,344	1,075	80,474	6.6
Bedford	4,788	16,702	207	21,697	54.9
Berks	83,011	84,702	2,607	170,320	1.0
Blair	16,276	33,319	646	50,241	33.9
Bradford	8,624	14,410	392	23,426	24.7
Bucks	160,521	156,579	3,916	321,016	1.2
Butler	28,550	59,761	1,134	89,445	34.9
Cambria	24,249	35,163	1,114	60,526	18.0
Cameron	724	1,359	28	2,111	30.1
Carbon	11,580	13,504	497	25,581	7.5
Centre	34,176	34,001	1,449	69,626	0.3
Chester	124,311	124,840	2,822	251,973	0.2
Clarion	5,056	10,828	302	16,186	35.7
Clearfield	11,121	20,347	499	31,967	28.9
Clinton	5,734	7,303	228	13,265	11.8
Columbia	10,937	14,236	450	25,623	12.9
Crawford	13,883	20,901	604	35,388	19.8
Cumberland	44,367	64,809	1,638	110,814	18.4
Dauphin	64,965	57,450	1,593	124,008	6.1
Delaware	171,792	110,853	2,919	285,564	21.3
Elk	5,463	7,579	196	13,238	16.0
Erie	68,036	49,025	1,558	118,619	16.0
Fayette	21,971	26,018	516	48,505	8.3
Forest	896	1,383	33	2,312	21.1
Franklin	18,995	43,260	823	63,078	38.5
Fulton	1,310	4,814	71	6,195	56.6
Greene	5,852	8,428	184	14,464	17.8
Huntingdon	5,409	11,979	251	17,639	37.2
Indiana	14,473	21,257	591	36,321	18.7
Jefferson	4,787	13,048	262	18,097	45.6
Juniata	2,547	6,862	126	9,535	45.3
Lackawanna	61,838	35,085	1,092	98,015	27.3
Lancaster	88,481	130,669	3,286	222,436	19.0
Lawrence	17,513	21,047	476	39,036	9.1
Lebanon	19,900	35,872	808	56,580	28.2
Lehigh	78,283	66,874	1,845	147,002	7.8
Luzerne	64,307	58,325	1,807	124,439	4.8
Lycoming	15,203	30,658	632	46,493	33.2
McKean	5,297	9,545	266	15,108	28.1
Mercer	24,232	25,925	706	50,863	3.3
Mifflin	4,273	11,939	159	16,371	46.8
Monroe	35,221	26,867	829	62,917	13.3
Montgomery	233,356	174,381	4,463	412,200	14.3
Montour	3,053	4,652	126	7,831	20.4
Northampton	67,606	61,446	1,683	130,735	4.7
Northumberland	13,072	19,518	622	33,212	19.4
Perry	5,685	13,120	323	19,128	38.9
Philadelphia	588,806	96,467	5,054	690,327	71.3
Pike	10,210	12,786	283	23,279	11.1
Potter	1,897	5,231	114	7,242	46.0
Schuylkill	24,546	32,278	903	57,727	13.4
Snyder	4,687	10,073	242	15,002	35.9
Somerset	9,436	23,984	522	33,942	42.9
Sullivan	1,034	1,868	47	2,949	28.3
Susquehanna	6,935	10,800	309	18,044	21.4
Tioga	5,357	11,342	305	17,004	35.2
Union	6,109	9,896	263	16,268	23.3
Venango	7,945	13,815	407	22,167	26.5
Warren	6,995	10,010	294	17,299	17.4
Washington	40,345	53,230	1,175	94,750	13.6
Wayne	8,396	12,896	315	21,607	20.8
Westmoreland	63,722	103,932	1,918	169,572	23.7
Wyoming	5,061	6,587	224	11,872	12.9
York	73,191	113,304	2,734	189,229	21.2

Candidate votes as printed in the document. “Total” is the document’s total where it prints one, otherwise the sum of the candidate columns. Margin is the leading ticket’s lead in points over the second.

Notes on how this document was read

Secondary source: MIT Election Data and Science Lab, County Presidential Election Returns 2000-2016 (compiled from official state election records).

Method: Machine-readable dataset; county sums checked against the state totals in The American Presidency Project summary (within 0.5% for both main tickets).

Certified state documentCertified

Pennsylvania Department of State, 2012 General Election Official Returns, President of the United States statewide (election results last updated 12/14/2012)
Open the original document · pages 1, 2

Not shown: the figures read from this document do not match the summary table, so the statewide figures above are used instead. Check the original document for statewide detail.

Notes on how this document was read

Each candidate prints the name and party on one line, votes and percent on the next and the running mate below ('Runningmate:' lines are not read).
The page lists the four ballot tickets only; the UCSB total (5,753,670) is 11,630 above their sum, the write-in votes that are not printed on this page.

Method: text layer: words grouped by baseline (pdfplumber), numeric tokens taken as the row's values under the spec's column labels; each row's digits matched against PyMuPDF's words (second extraction)

Pennsylvania in every election · 2012 primaries · 2012 Senate race · All states in 2012 · Report an error

Questions and answers

Who won Pennsylvania in 2012?

Barack Obama won Pennsylvania by 5.39 percentage points (309,840 votes).

How many electoral votes did Pennsylvania have in 2012?

Pennsylvania cast 20 electoral votes in 2012.

How many people voted for president in Pennsylvania in 2012?

5,753,670 votes were counted for president.

How many counties did each candidate win in Pennsylvania in 2012?

Mitt Romney 54, Barack Obama 13 (out of 67 counties with results).

How did Pennsylvania change from 2008 to 2012?

The margin moved 4.9 points toward the Republican ticket, from Democratic by 10.3 points to Democratic by 5.4 points.

Official results As published by The American Presidency Project (UC Santa Barbara) and the state documents it links. How we use this data