None	Obama	Romney	Undecided	Other	Refused	poll_slug	survey_house	start_date	end_date	question_text	sample_subpopulation	observations	margin_of_error	mode	partisanship	partisan_affiliation
	49.0	46.0				gravis-marketing-16660	Gravis Marketing	2012-11-04	2012-11-04		Likely Voters	1060	3.0	Automated Phone	Nonpartisan	None
	51.0	47.0		2.0		angus-reid-16628	Angus-Reid	2012-11-02	2012-11-04		Likely Voters	479		Internet	Nonpartisan	None
	52.0	46.0	1.0			ppp-d-16529	PPP (D)	2012-11-02	2012-11-03		Likely Voters	790	3.5	Automated Phone	Pollster	Dem
	49.0	46.0	3.0	2.0		muhlenberg-16559	Muhlenberg	2012-11-01	2012-11-03		Likely Voters	430	5.0	Live Phone	Nonpartisan	None
	52.0	44.0	3.0	1.0		yougov-16581	YouGov	2012-10-31	2012-11-03		Likely Voters	1273	3.3	Internet	Nonpartisan	None
	47.0	47.0				susquehanna-r-pittsburgh-tribune-review-16537	Susquehanna (R)/Pittsburgh Tribune-Review	2012-10-29	2012-10-31		Likely Voters	800	3.46	Automated Phone	Pollster	Rep
	49.0	46.0	3.0	2.0		pulse-opinion-research-let-freedom-ring-r-16604	Pulse Opinion Research/Let Freedom Ring (R)	2012-10-30	2012-10-30		Likely Voters	1000	3.0	Automated Phone	Sponsor	Rep
	49.0	45.0	4.0	2.0		franklin-and-marshall-college-16348	Franklin and Marshall College	2012-10-23	2012-10-28		Likely Voters	547	4.2	Live Phone	Nonpartisan	None
	49.0	43.0	7.0			philadelphia-inquirer-national-research-r-gsg-d-16212	Philadelphia Inquirer/National Research (R)/GSG (D)	2012-10-23	2012-10-25		Likely Voters	600	4.0	Live Phone	Nonpartisan	None
	51.0	46.0	2.0	1.0		rasmussen-16155	Rasmussen	2012-10-24	2012-10-24		Likely Voters	500	4.5	Automated Phone	Nonpartisan	None
	48.0	45.0	6.0			gravis-marketing-16045	Gravis Marketing	2012-10-21	2012-10-21		Likely Voters	887	3.3	Automated Phone	Nonpartisan	None
	49.0	46.0				pharos-research-group-16252	Pharos Research Group	2012-10-19	2012-10-21		Likely Voters	760	3.55	Live Phone	Nonpartisan	None
	50.0	45.0	3.0	2.0		muhlenberg-16015	Muhlenberg	2012-10-17	2012-10-21		Likely Voters	444	5.0	Live Phone	Nonpartisan	None
	52.0	42.0		6.0		angus-reid-16018	Angus-Reid	2012-10-18	2012-10-20		Likely Voters	511		Internet	Nonpartisan	None
	48.0	44.0	5.0	3.0		pulse-opinion-research-let-freedom-ring-r-16029	Pulse Opinion Research/Let Freedom Ring (R)	2012-10-15	2012-10-15		Likely Voters	1000	3.0	Automated Phone	Sponsor	Rep
	50.0	46.0	3.0	1.0		quinnipiac-15818	Quinnipiac	2012-10-12	2012-10-14		Likely Voters	1519	2.5	Live Phone	Nonpartisan	None
	51.0	44.0	6.0			ppp-d-15801	PPP (D)	2012-10-12	2012-10-14		Likely Voters	500	4.4	Automated Phone	Pollster	Dem
	49.0	45.0	3.0	3.0		muhlenberg-15800	Muhlenberg	2012-10-10	2012-10-14		Likely Voters	438	5.0	Live Phone	Nonpartisan	None
	45.0	49.0	2.0	3.0		susquehanna-r-republican-state-committee-of-pennsylvania-15940	Susquehanna (R - Republican State Committee of Pennsylvania)	2012-10-11	2012-10-13		Likely Voters	1376	2.64	Automated Phone	Sponsor	Rep
	51.0	44.0	4.0	1.0		yougov-15858	YouGov	2012-10-04	2012-10-11		Likely Voters	966		Internet	Nonpartisan	None
	51.0	46.0	1.0	1.0		rasmussen-15654	Rasmussen	2012-10-09	2012-10-09		Likely Voters	500	4.5	Automated Phone	Nonpartisan	None
	47.0	45.0				pulse-opinion-research-let-freedom-ring-r-15703	Pulse Opinion Research/Let Freedom Ring (R)	2012-10-08	2012-10-08		Likely Voters	1000	3.0	Automated Phone	Sponsor	Rep
	50.0	42.0	8.0			philadelphia-inquirer-national-research-r-gsg-d-15692	Philadelphia Inquirer/National Research (R)/GSG (D)	2012-10-04	2012-10-08		Likely Voters	600	4.0	Live Phone	Nonpartisan	None
	47.0	45.0	4.0	3.0		susquehanna-r-15599	Susquehanna (R)	2012-10-04	2012-10-06		Likely Voters	725	3.64	Live Phone	Pollster	Rep
	43.0	40.0	12.0			siena-15617	Siena	2012-10-01	2012-10-05		Likely Voters	545	4.2	Live Phone	Nonpartisan	None
	49.0	42.0	5.0	4.0		muhlenberg-15384	Muhlenberg	2012-09-22	2012-09-26		Likely Voters	427	5.0	Live Phone	Nonpartisan	None
	54.0	42.0	2.0	1.0		quinnipiac-nyt-cbs-15315	Quinnipiac/NYT/CBS	2012-09-18	2012-09-24		Likely Voters	1180	3.0	Live Phone	Nonpartisan	None
	52.0	43.0	3.0			franklin-and-marshall-college-15323	Franklin and Marshall College	2012-09-18	2012-09-23		Likely Voters	392	4.9	Live Phone	Nonpartisan	None
	47.0	45.0	6.0			susquehanna-r-tribune-review-15276	Susquehanna (R)/Tribune-Review	2012-09-18	2012-09-20		Likely Voters	800	3.46	Live Phone	Pollster	Rep
	48.0	40.0	6.0	5.0	1.0	mercyhurst-university-15264	Mercyhurst University	2012-09-12	2012-09-20		Likely Voters	522	4.29	Live Phone	Nonpartisan	None
	51.0	39.0	7.0	3.0		rasmussen-15232	Rasmussen	2012-09-19	2012-09-19		Likely Voters	500	4.5	Automated Phone	Nonpartisan	None
	48.0	42.0	9.0	1.0		we-ask-america-15157	We Ask America	2012-09-18	2012-09-18		Likely Voters	1214	2.85	Automated Phone	Nonpartisan	None
	52.0	40.0	8.0			ppp-d-nrdc-15398	PPP (D)/NRDC	2012-09-17	2012-09-18		Likely Voters	2051	2.2	Automated Phone	Pollster	Dem
1.0	48.0	47.0	3.0	1.0	1.0	susquehanna-r-republican-state-committee-of-pennsylvania-15203	Susquehanna (R-Republican State Committee of Pennsylvania)	2012-09-15	2012-09-17		Likely Voters	800	3.46	Live Phone	Pollster	Rep
	50.0	41.0	4.0	5.0		muhlenberg-15114	Muhlenberg	2012-09-10	2012-09-16		Likely Voters	640	4.0	Live Phone	Nonpartisan	None
	52.0	43.0	2.0	2.0		yougov-15180	YouGov	2012-09-07	2012-09-14		Likely Voters	1139		Internet	Nonpartisan	None
	50.0	39.0	11.0			philadelphia-inquirer-national-research-r-gsg-d-15076	Philadelphia Inquirer/National Research (R)/GSG (D)	2012-09-09	2012-09-12		Likely Voters	600	4.0	Live Phone	Nonpartisan	None
	51.0	42.0	7.0			philadelphia-inquirer-14787	Philadelphia Inquirer	2012-08-21	2012-08-23		Likely Voters	601	4.0	Live Phone	Nonpartisan	None
	49.0	40.0				muhlenberg-14748	Muhlenberg	2012-08-20	2012-08-22		Likely Voters	422	5.0	Live Phone	Nonpartisan	None
	47.0	42.0	7.0			franklin-and-marshall-college-14673	Franklin and Marshall College	2012-08-07	2012-08-12		Registered Voters	681	3.8	Live Phone	Nonpartisan	None
	53.0	42.0	4.0	1.0		quinnipiac-nyt-cbs-14521	Quinnipiac/NYT/CBS	2012-07-24	2012-07-30		Likely Voters	1168	3.0	Live Phone	Nonpartisan	None
	49.0	43.0	8.0			ppp-d-14444	PPP (D)	2012-07-21	2012-07-23		Likely Voters	758	3.6	Automated Phone	Pollster	Dem
	46.0	43.0				susquehanna-r-14494	Susquehanna (R)	2012-07-19	2012-07-23		Likely Voters	800	3.5	Automated Phone	Pollster	Rep
	48.0	44.0	5.0	4.0		rasmussen-14401	Rasmussen	2012-07-18	2012-07-18		Likely Voters	500	4.5	Automated Phone	Nonpartisan	None
	47.0	40.0	13.0			we-ask-america-14295	We Ask America	2012-07-09	2012-07-10		Likely Voters	1227	2.8	Automated Phone	Nonpartisan	None
	49.0	40.0				garin-hart-yang-d-priorities-usa-14323	Garin-Hart-Yang (D-Priorities USA)	2012-06-25	2012-07-03		Likely Voters	816	3.9	Live Phone	Sponsor	Dem
	45.0	39.0	13.0	4.0		quinnipiac-14189	Quinnipiac	2012-06-19	2012-06-25		Registered Voters	1252	2.8	Live Phone	Nonpartisan	None
	46.0	40.0	12.0	2.0		quinnipiac-14067	Quinnipiac	2012-06-05	2012-06-10		Registered Voters	997	3.1	Live Phone	Nonpartisan	None
	48.0	36.0	12.0	5.0		franklin-and-marshall-college-14014	Franklin and Marshall College	2012-05-29	2012-06-04		Registered Voters	412	4.8	Live Phone	Nonpartisan	None
	47.0	41.0	5.0	7.0		rasmussen-13876	Rasmussen	2012-05-21	2012-05-21		Likely Voters	500	4.5	Automated Phone	Nonpartisan	None
	50.0	42.0	8.0			ppp-d-13866	PPP (D)	2012-05-17	2012-05-20		Likely Voters	671	3.8	Automated Phone	Pollster	Dem
	47.0	39.0	8.0	2.0		quinnipiac-13678	Quinnipiac	2012-04-25	2012-05-01		Registered Voters	1167	2.9	Live Phone	Nonpartisan	None
	45.0	40.0	4.0	11.0		muhlenberg-13591	Muhlenberg	2012-03-23	2012-04-01		Registered Voters	492	5.0	Live Phone	Nonpartisan	None
	45.0	42.0	7.0	2.0		quinnipiac-13370	Quinnipiac	2012-03-20	2012-03-26		Registered Voters	1232	2.8	Live Phone	Nonpartisan	None
	46.0	40.0	8.0	2.0		quinnipiac-13251	Quinnipiac	2012-03-07	2012-03-12		Registered Voters	1256	2.8	Live Phone	Nonpartisan	None
	49.0	42.0	9.0			ppp-d-13252	PPP (D)	2012-03-08	2012-03-11		Likely Voters	689	3.7	Automated Phone	Pollster	Dem
	45.0	44.0	3.0	8.0		rasmussen-13151	Rasmussen	2012-02-08	2012-02-23		Likely Voters	438	4.5	Automated Phone	Nonpartisan	None
	48.0	37.0	6.0	9.0		muhlenberg-13149	Muhlenberg	2012-02-15	2012-02-21		Registered Voters	625	4.0	Live Phone	Nonpartisan	None
	41.0	33.0	18.0	8.0		franklin-and-marshall-college-13150	Franklin and Marshall College	2012-02-14	2012-02-20		Registered Voters	592	4.0	Live Phone	Nonpartisan	None
	43.0	45.0				susquehanna-r-12835	Susquehanna (R)	2012-02-02	2012-02-06		Registered Voters	800	3.5	Automated Phone	Pollster	Rep
	41.0	30.0	24.0	6.0		franklin-and-marshall-college-13432	Franklin and Marshall College	2012-01-17	2012-01-22		Registered Voters	614	4.0	Live Phone	Nonpartisan	None
	45.0	41.0	6.0	8.0		muhlenberg-12251	Muhlenberg	2011-11-28	2011-12-07		Adults	422	5.0	Live Phone	Nonpartisan	None
	46.0	43.0	6.0	2.0		quinnipiac-12548	Quinnipiac	2011-11-28	2011-12-05		Registered Voters	1453	2.6	Live Phone	Nonpartisan	None
	45.0	45.0	11.0			ppp-d-12168	PPP (D)	2011-11-17	2011-11-20		Likely Voters	500	4.4	Automated Phone	Pollster	Dem
	44.0	44.0	12.0			surveyusa-12549	SurveyUSA	2011-11-10	2011-11-10		Likely Voters	800	3.5	IVR/Online	Nonpartisan	None
	44.0	43.0	8.0	2.0		quinnipiac-12550	Quinnipiac	2011-10-31	2011-11-07		Registered Voters	1436	2.6	Live Phone	Nonpartisan	None
	35.0	26.0	30.0	10.0		franklin-and-marshall-college-12552	Franklin and Marshall College	2011-10-24	2011-10-30		Registered Voters	419	4.3	Live Phone	Nonpartisan	None
	44.0	44.0	12.0			ppp-d-11554	PPP (D)	2011-06-30	2011-07-05		Likely Voters	593	4.0	Automated Phone	Pollster	Dem
	43.0	42.0	15.0			ppp-d-11186	PPP (D)	2011-04-07	2011-04-10		Likely Voters	593	4.0	Automated Phone	Pollster	Dem
	46.0	42.0	13.0			ppp-d-10795	PPP (D)	2011-01-03	2011-01-05		Likely Voters	547	4.2	Automated Phone	Pollster	Dem