Baker	Coakley	Undecided	Other	poll_slug	survey_house	start_date	end_date	question_text	sample_subpopulation	observations	margin_of_error	mode	partisanship	partisan_affiliation
46.0	42.0	6.0	7.0	ppp-d-21255	PPP (D)	2014-10-30	2014-11-01		Likely Voters	887	3.3	Automated Phone	Pollster	Dem
46.0	41.0	8.0	5.0	wneu-21232	WNEU	2014-10-21	2014-10-30		Likely Voters	430	5.0	Live Phone	Nonpartisan	None
46.0	43.0	7.0	6.0	suffolk-boston-herald-21191	Suffolk/Boston Herald	2014-10-27	2014-10-29		Likely Voters	500	4.4	Live Phone	Nonpartisan	None
44.0	37.0	11.0		boston-globe-socialsphere-21212	Boston Globe/SocialSphere	2014-10-26	2014-10-29		Likely Voters	600	4.0	Live Phone	Nonpartisan	None
48.0	42.0		4.0	emerson-college-polling-society-21192	Emerson College Polling Society	2014-10-26	2014-10-29		Likely Voters	627	3.85	Automated Phone	Nonpartisan	None
44.0	47.0	3.0	8.0	umass-amherst-wbz-tv-yougov-21242	UMass Amherst/WBZ-TV/YouGov	2014-10-20	2014-10-27		Likely Voters	591	4.5	Internet	Nonpartisan	None
43.0	42.0	8.0	8.0	massinc-wbur-21149	MassINC/WBUR	2014-10-22	2014-10-25		Likely Voters	494	4.4	Live Phone	Nonpartisan	None
45.0	41.0	9.0	5.0	umass-lowell-7-news-21161	UMass Lowell/7 News	2014-10-21	2014-10-25		Likely Voters	601	4.5	Live Phone	Nonpartisan	None
41.0	45.0	13.0	1.0	cbs-nyt-yougov-21055	CBS/NYT/YouGov	2014-10-16	2014-10-23		Likely Voters	2218	3.0	Internet	Nonpartisan	None
44.0	45.0	5.0	5.0	gqr-d-massachusetts-ie-pac-21128	GQR (D-Massachusetts IE PAC)	2014-10-20	2014-10-22		Likely Voters	611	4.0	Live Phone	Sponsor	Dem
45.0	36.0	11.0	7.0	boston-globe-socialsphere-21012	Boston Globe/SocialSphere	2014-10-19	2014-10-22		Likely Voters	500	4.4	Live Phone	Nonpartisan	None
43.0	42.0	10.0	4.0	massinc-wbur-20970	MassINC/WBUR	2014-10-15	2014-10-18		Likely Voters	501	4.4	Live Phone	Nonpartisan	None
48.0	46.0	5.0	2.0	rasmussen-20899	Rasmussen	2014-10-13	2014-10-15		Likely Voters	980	4.0	IVR/Online	Nonpartisan	None
41.0	41.0	10.0	8.0	boston-globe-socialsphere-20914	Boston Globe/SocialSphere	2014-10-12	2014-10-14		Likely Voters	400	4.9	Live Phone	Nonpartisan	None
39.0	42.0	14.0	5.0	massinc-wbur-20900	MassINC/WBUR	2014-10-08	2014-10-11		Likely Voters	500	4.4	Live Phone	Nonpartisan	None
45.0	40.0	8.0	7.0	emerson-college-polling-society-wgbh-20814	Emerson College Polling Society/WGBH	2014-10-06	2014-10-07		Likely Voters	500	4.33	Automated Phone	Nonpartisan	None
34.0	39.0	20.0	7.0	boston-globe-socialsphere-20808	Boston Globe/SocialSphere	2014-10-05	2014-10-07		Likely Voters	400	4.9	Live Phone	Nonpartisan	None
39.0	41.0	14.0	6.0	massinc-wbur-20759	MassINC/WBUR	2014-10-01	2014-10-04		Likely Voters	504	4.4	Live Phone	Nonpartisan	None
44.0	48.0	2.0	6.0	umass-amherst-wbz-tv-yougov-20747	UMass Amherst/WBZ-TV/YouGov	2014-09-26	2014-10-02		Likely Voters	414	5.5	Internet	Nonpartisan	None
41.0	47.0	11.0	1.0	cbs-nyt-yougov-20704	CBS/NYT/YouGov	2014-09-20	2014-10-01		Likely Voters	2389	2.0	Internet	Nonpartisan	None
39.0	36.0	21.0	4.0	boston-globe-socialsphere-20746	Boston Globe/SocialSphere	2014-09-28	2014-09-30		Likely Voters	401	4.89	Live Phone	Nonpartisan	None
43.0	44.0	9.0	4.0	suffolk-boston-herald-20613	Suffolk/Boston Herald	2014-09-25	2014-09-28		Likely Voters	500	4.4	Live Phone	Nonpartisan	None
44.0	43.0	8.0	5.0	wneu-20620	WNEU	2014-09-20	2014-09-28		Likely Voters	416	5.0	Live Phone	Nonpartisan	None
41.0	44.0	11.0	4.0	massinc-wbur-20648	MassINC/WBUR	2014-09-24	2014-09-27		Likely Voters	503	4.4	Live Phone	Nonpartisan	None
40.0	38.0	18.0	5.0	boston-globe-socialsphere-20589	Boston Globe/SocialSphere	2014-09-21	2014-09-23		Likely Voters	400	4.9	Live Phone	Nonpartisan	None
46.0	45.0	2.0	6.0	umass-amherst-wbz-tv-yougov-20621	UMass Amherst/WBZ-TV/YouGov	2014-09-19	2014-09-23		Likely Voters	440		Internet	Nonpartisan	None
36.0	46.0	13.0	5.0	massinc-wbur-20559	MassINC/WBUR	2014-09-16	2014-09-21		Likely Voters	502	4.4	Live Phone	Nonpartisan	None
42.0	42.0	10.0	5.0	rasmussen-20530	Rasmussen	2014-09-16	2014-09-17		Likely Voters	750	4.0	IVR/Online	Nonpartisan	None
36.0	39.0	19.0	6.0	boston-globe-socialsphere-20508	Boston Globe/SocialSphere	2014-09-14	2014-09-16		Likely Voters	407	4.85	Live Phone	Nonpartisan	None
35.0	44.0	16.0	4.0	massinc-wbur-20482	MassINC/WBUR	2014-09-11	2014-09-14		Likely Voters	504	4.4	Live Phone	Nonpartisan	None
35.0	43.0	16.0	6.0	cbs-nyt-yougov-20300	CBS/NYT/YouGov	2014-08-18	2014-09-02		Likely Voters	3361	2.0	Internet	Nonpartisan	None
32.0	41.0	20.0	8.0	umass-lowell-7-news-20269	UMass Lowell/7 News	2014-08-25	2014-08-31		Registered Voters	1624	2.94	Live Phone	Nonpartisan	None
31.0	40.0	22.0	6.0	massinc-wbur-20271	MassINC/WBUR	2014-08-24	2014-08-31		Likely Voters	700	3.7	Live Phone	Nonpartisan	None
38.0	37.0	18.0	7.0	boston-globe-socialsphere-20351	Boston Globe/SocialSphere	2014-08-17	2014-08-26		Likely Voters	605	4.0	Live Phone	Nonpartisan	None
34.0	41.0	18.0	7.0	boston-globe-socialsphere-20194	Boston Globe/SocialSphere	2014-08-10	2014-08-19		Likely Voters	605	4.0	Live Phone	Nonpartisan	None
32.0	40.0	21.0	7.0	boston-globe-socialsphere-20193	Boston Globe/SocialSphere	2014-08-03	2014-08-12		Likely Voters	606	4.0	Live Phone	Nonpartisan	None
31.0	42.0	21.0	7.0	boston-globe-socialsphere-20192	Boston Globe/SocialSphere	2014-07-27	2014-08-05		Likely Voters	605	4.0	Live Phone	Nonpartisan	None
41.0	44.0	15.0		mass-insight-opinion-dynamics-20135	Mass Insight/Opinion Dynamics	2014-07-28	2014-08-03		Registered Voters	388		Live Phone	Nonpartisan	None
32.0	42.0	19.0	7.0	boston-globe-socialsphere-20190	Boston Globe/SocialSphere	2014-07-20	2014-07-29		Likely Voters	601	4.0	Live Phone	Nonpartisan	None
39.0	55.0	1.0	5.0	cbs-nyt-yougov-19961	CBS/NYT/YouGov	2014-07-05	2014-07-24		Likely Voters	1839	5.0	Internet	Nonpartisan	None
33.0	38.0	19.0	9.0	boston-globe-socialsphere-20016	Boston Globe/SocialSphere	2014-07-13	2014-07-22		Likely Voters	625	3.9	Live Phone	Nonpartisan	None
36.0	39.0	16.0	8.0	boston-globe-socialsphere-19880	Boston Globe/SocialSphere	2014-07-07	2014-07-15		Likely Voters	605	4.0	Live Phone	Nonpartisan	None
35.0	40.0	18.0	8.0	boston-globe-socialsphere-19832	Boston Globe/SocialSphere	2014-06-29	2014-07-08		Likely Voters	604	4.0	Live Phone	Nonpartisan	None
31.0	40.0	22.0	8.0	boston-globe-socialsphere-19802	Boston Globe/SocialSphere	2014-06-22	2014-07-01		Likely Voters	601	4.0	Live Phone	Nonpartisan	None
28.0	41.0	22.0	7.0	massinc-wbur-19795	MassINC/WBUR	2014-06-27	2014-06-29		Likely Voters	502	4.4	Live Phone	Nonpartisan	None
30.0	41.0	21.0	8.0	boston-globe-socialsphere-19818	Boston Globe/SocialSphere	2014-06-15	2014-06-24		Likely Voters	604	3.9	Live Phone	Nonpartisan	None
30.0	43.0	20.0	6.0	boston-globe-socialsphere-19806	Boston Globe/SocialSphere	2014-06-08	2014-06-17		Likely Voters	630	3.9	Live Phone	Nonpartisan	None
31.0	42.0	20.0	7.0	boston-globe-socialsphere-19673	Boston Globe/SocialSphere	2014-06-01	2014-06-10		Likely Voters	697	3.7	Live Phone	Nonpartisan	None
29.0	36.0	32.0	4.0	suffolk-19621	Suffolk	2014-06-04	2014-06-07		Likely Voters	800	3.5	Live Phone	Nonpartisan	None
32.0	37.0	22.0	9.0	boston-globe-socialsphere-19605	Boston Globe/SocialSphere	2014-05-29	2014-06-03		Likely Voters	602	4.0	Live Phone	Nonpartisan	None
30.0	39.0	25.0	5.0	massinc-wbur-19510	MassINC/WBUR	2014-05-16	2014-05-18		Likely Voters	504	4.4	Live Phone	Nonpartisan	None
37.0	52.0	10.0		mass-insight-opinion-dynamics-20134	Mass Insight/Opinion Dynamics	2014-04-30	2014-05-04		Registered Voters	381	5.02	Live Phone	Nonpartisan	None
25.0	54.0	15.0	6.0	wneu-19207	WNEU	2014-03-31	2014-04-07		Registered Voters	424	5.0	Live Phone	Nonpartisan	None
34.0	45.0	21.0		umass-amherst-yougov-19246	UMass Amherst/YouGov	2014-03-31	2014-04-06		Registered Voters	500	5.9	Internet	Nonpartisan	None
26.0	41.0	27.0	5.0	massinc-wbur-19082	MassINC/WBUR	2014-03-14	2014-03-16		Likely Voters	500	4.4	Live Phone	Nonpartisan	None
33.0	52.0	16.0		mass-insight-opinion-dynamics-20133	Mass Insight/Opinion Dynamics	2014-01-29	2014-02-08		Registered Voters	381	5.02	Live Phone	Nonpartisan	None
31.0	44.0	20.0	4.0	suffolk-18796	Suffolk	2014-01-29	2014-02-03		Likely Voters	600	4.0	Live Phone	Nonpartisan	None
36.0	46.0	18.0		purple-strategies-18760	Purple Strategies	2014-01-21	2014-01-23		Likely Voters	500	4.4	IVR/Online	Nonpartisan	None
29.0	39.0	26.0	6.0	massinc-wbur-18714	MassINC/WBUR	2014-01-16	2014-01-19		Registered Voters	504	4.4	Live Phone	Nonpartisan	None
34.0	52.0	15.0		mass-insight-opinion-dynamics-20132	Mass Insight/Opinion Dynamics	2013-10-28	2013-11-07		Registered Voters	411	4.83	Live Phone	Nonpartisan	None
34.0	54.0	12.0		wneu-18257	WNEU	2013-10-01	2013-10-07		Registered Voters	431	5.0	Live Phone	Nonpartisan	None
38.0	51.0	11.0		ppp-d-18061	PPP (D)	2013-09-20	2013-09-23		Likely Voters	616	4.0	Automated Phone	Pollster	Dem
34.0	47.0	19.0		ppp-d-19519	PPP (D)	2012-06-22	2012-06-24		Likely Voters	902	3.3	Automated Phone	Pollster	Dem
29.0	49.0	22.0		ppp-d-19518	PPP (D)	2012-03-16	2012-03-18		Likely Voters	936	3.2	Automated Phone	Pollster	Dem