rowid,question_id,poll_id,cycle,state,pollster_id,pollster,sponsor_ids,sponsors,display_name,pollster_rating_id,pollster_rating_name,fte_grade,sample_size,population,population_full,methodology,office_type,seat_number,seat_name,start_date,end_date,election_date,sponsor_candidate,internal,partisan,tracking,nationwide_batch,ranked_choice_reallocated,created_at,notes,url,stage,race_id,answer,candidate_id,candidate_name,candidate_party,pct
152,136284,72621,2020,Iowa,383,Public Policy Polling,,,Public Policy Polling,263,Public Policy Polling,A-,871,v,v,IVR/Text,U.S. Senate,0,Class II,11/1/20,11/2/20,11/3/20,,0,,,0,0,11/2/20 09:02,,https://www.publicpolicypolling.com/wp-content/uploads/2020/11/IowaResultsNovember2020.pdf,general,6272,Ernst,13467,Joni K. Ernst,REP,47.0
187,136209,72577,2020,Iowa,1447,Civiqs,185,Daily Kos,Civiqs,471,Civiqs,B-,853,lv,lv,Online,U.S. Senate,0,Class II,10/29/20,11/1/20,11/3/20,,0,,,0,0,11/1/20 19:42,,https://civiqs.com/documents/Civiqs_DailyKos_IA_banner_book_2020_11_c9dhr3.pdf,general,6272,Ernst,13467,Joni K. Ernst,REP,47.0
208,136538,72756,2020,Iowa,1365,Change Research,,,Change Research,48,Change Research,B-,1084,lv,lv,Online/Text,U.S. Senate,0,Class II,10/29/20,11/1/20,11/3/20,,0,,,0,0,11/2/20 21:32,,https://docs.google.com/spreadsheets/d/1TyQc9rcFjRf_nFJ-gcOyoOn4E1sPk5yeVfH4acKyVnw/edit#gid=2035724528,general,6272,Ernst,13467,Joni K. Ernst,REP,47.0
251,136520,72741,2020,Iowa,1515,Data for Progress,,,Data for Progress,522,Data for Progress,B,951,lv,lv,Online/Text,U.S. Senate,0,Class II,10/27/20,11/1/20,11/3/20,,0,,,0,0,11/2/20 20:41,,https://filesforprogress.org/datasets/2020/11/2020-election-polls/toplines/dfp_ia_11.2.20.pdf,general,6272,Ernst,13467,Joni K. Ernst,REP,45.0
283,136039,72489,2020,Iowa,1102,Emerson College,,,Emerson College,88,Emerson College,A-,604,lv,lv,IVR/Online/Text,U.S. Senate,0,Class II,10/29/20,10/31/20,11/3/20,,0,,,0,0,11/1/20 09:15,,https://emersonpolling.reportablenews.com/pr/super-poll-sunday-polling-in-the-midwest-shows-biden-ahead-in-michigan-and-tight-races-in-ohio-and-iowa,general,6272,Ernst,13467,Joni K. Ernst,REP,47.7
320,136045,72492,2020,Iowa,235,Opinion Savvy/InsiderAdvantage,1457,Center for American Greatness,InsiderAdvantage,243,Opinion Savvy/InsiderAdvantage,B,400,lv,lv,IVR/Live Phone,U.S. Senate,0,Class II,10/30/20,10/30/20,11/3/20,,0,,,0,0,11/1/20 11:31,,https://overland.amgreatness.com/app/uploads/2020/10/IOWA-POLL-102020.pdf,general,6272,Ernst,13467,Joni K. Ernst,REP,50.7
368,135893,72420,2020,Iowa,437,Selzer & Co.,"52,613",Des Moines Register | Mediacom,Selzer & Co.,304,Selzer & Co.,A+,814,lv,lv,Live Phone,U.S. Senate,0,Class II,10/26/20,10/29/20,11/3/20,,0,,,0,0,10/31/20 19:12,,https://www.desmoinesregister.com/story/news/politics/iowa-poll/2020/10/31/election-2020-iowa-poll-greenfield-ernst-us-senate-race-voters/6055545002/,general,6272,Ernst,13467,Joni K. Ernst,REP,46.0
497,135488,72220,2020,Iowa,396,Quinnipiac University,,,Quinnipiac University,267,Quinnipiac University,A-,1225,lv,lv,Live Phone,U.S. Senate,0,Class II,10/23/20,10/27/20,11/3/20,,0,,,0,0,10/29/20 14:03,,https://poll.qu.edu/florida/release-detail?ReleaseID=3682,general,6272,Ernst,13467,Joni K. Ernst,REP,48.0
600,135343,72063,2020,Iowa,1256,RABA Research,1185,Nexstar,RABA Research,269,RABA Research,B/C,693,lv,lv,Live Phone,U.S. Senate,0,Class II,10/21/20,10/24/20,11/3/20,,0,,,0,0,10/28/20 17:15,,https://www.iowa.media/2020/10/28/theresa-greenfield-leads-ernst-by-six-points-in-new-iowa-poll/,general,6272,Ernst,13467,Joni K. Ernst,REP,45.0
646,134055,71562,2020,Iowa,1102,Emerson College,,,Emerson College,88,Emerson College,A-,435,lv,lv,IVR/Online/Text,U.S. Senate,0,Class II,10/19/20,10/21/20,11/3/20,,0,,,0,0,10/21/20 15:08,,https://emersonpolling.reportablenews.com/pr/iowa-2020-trump-holds-narrow-lead-over-biden,general,6272,Ernst,13467,Joni K. Ernst,REP,50.44
651,134423,71733,2020,Iowa,1554,RMG Research,1475,PoliticalIQ,RMG Research,555,RMG Research,B-,800,lv,lv,IVR/Online/Text,U.S. Senate,0,Class II,10/15/20,10/21/20,11/3/20,,0,,,0,0,10/23/20 12:07,,http://politicaliq.com/2020/10/23/ia-senate-race-greenfield-d-46-ernst-r-43/,general,6272,Ernst,13467,Joni K. Ernst,REP,43.0
672,134041,71553,2020,Iowa,1424,Siena College/The New York Times Upshot,,,Siena College/The New York Times Upshot,448,Siena College/The New York Times Upshot,A+,753,lv,lv,Live Phone,U.S. Senate,0,Class II,10/18/20,10/20/20,11/3/20,,0,,,0,0,10/21/20 13:42,,https://int.nyt.com/data/documenttools/ia101820-crosstabs/1eff04c308f3dcb1/full.pdf,general,6272,Ernst,13467,Joni K. Ernst,REP,45.0
745,133851,71465,2020,Iowa,235,Opinion Savvy/InsiderAdvantage,1457,Center for American Greatness,InsiderAdvantage,243,Opinion Savvy/InsiderAdvantage,B,400,lv,lv,IVR/Live Phone,U.S. Senate,0,Class II,10/18/20,10/19/20,11/3/20,,0,,,0,0,10/20/20 18:21,,https://overland.amgreatness.com/app/uploads/2020/10/IOWA-POLL-.pdf,general,6272,Ernst,13467,Joni K. Ernst,REP,43.4
777,134029,71548,2020,Iowa,320,Monmouth University,,,Monmouth University,215,Monmouth University,A,501,rv,rv,Live Phone,U.S. Senate,0,Class II,10/15/20,10/19/20,11/3/20,,0,,,0,0,10/21/20 11:04,,https://www.monmouth.edu/polling-institute/documents/monmouthpoll_ia_102120.pdf/,general,6272,Ernst,13467,Joni K. Ernst,REP,47.0
781,134030,71548,2020,Iowa,320,Monmouth University,,,Monmouth University,215,Monmouth University,A,501,lv,lv,Live Phone,U.S. Senate,0,Class II,10/15/20,10/19/20,11/3/20,,0,,,0,0,10/21/20 11:04,higher turnout model,https://www.monmouth.edu/polling-institute/documents/monmouthpoll_ia_102120.pdf/,general,6272,Ernst,13467,Joni K. Ernst,REP,47.0
783,134031,71548,2020,Iowa,320,Monmouth University,,,Monmouth University,215,Monmouth University,A,501,lv,lv,Live Phone,U.S. Senate,0,Class II,10/15/20,10/19/20,11/3/20,,0,,,0,0,10/21/20 11:04,lower turnout model,https://www.monmouth.edu/polling-institute/documents/monmouthpoll_ia_102120.pdf/,general,6272,Ernst,13467,Joni K. Ernst,REP,45.0
973,133055,71083,2020,Iowa,1515,Data for Progress,"1155,1452",Crooked Media | Indivisible,Data for Progress,522,Data for Progress,B,822,lv,lv,Online/Text,U.S. Senate,0,Class II,10/8/20,10/11/20,11/3/20,,0,DEM,,0,0,10/15/20 09:28,,https://filesforprogress.org/memos/2020-senate-project/week-4/toplines/dfp_psp_ia_week_4_toplines.pdf,general,6272,Ernst,13467,Joni K. Ernst,REP,43.0
1015,132312,70726,2020,Iowa,568,YouGov,133,CBS News,YouGov,391,YouGov,B+,1022,lv,lv,Online,U.S. Senate,0,Class II,10/6/20,10/9/20,11/3/20,,0,,,0,0,10/11/20 10:59,,https://drive.google.com/file/d/1j1ecxNthrVLwbSmV5eSUGdeuEilTgKkd/view,general,6272,Ernst,13467,Joni K. Ernst,REP,43.0
1021,134463,71760,2020,Iowa,1632,National Research Inc.,1326,American Action Forum,Opinion Insight,225,National Research Inc.,A/B,800,lv,lv,Live Phone,U.S. Senate,0,Class II,10/5/20,10/8/20,11/3/20,,0,REP,,0,0,10/23/20 15:14,,https://www.americanactionforum.org/insight/iowa-policy-priorities-and-the-election-october-update/,general,6272,Ernst,13467,Joni K. Ernst,REP,45.0
1057,132068,70629,2020,Iowa,1447,Civiqs,185,Daily Kos,Civiqs,471,Civiqs,B-,756,lv,lv,Online,U.S. Senate,0,Class II,10/3/20,10/6/20,11/3/20,,0,,,0,0,10/7/20 08:26,,https://civiqs.com/documents/Civiqs_DailyKos_IA_banner_book_2020_10_u43b2l.pdf,general,6272,Ernst,13467,Joni K. Ernst,REP,46.0
1103,132110,70648,2020,Iowa,396,Quinnipiac University,,,Quinnipiac University,267,Quinnipiac University,A-,1205,lv,lv,Live Phone,U.S. Senate,0,Class II,10/1/20,10/5/20,11/3/20,,0,,,0,0,10/7/20 14:07,,https://poll.qu.edu/florida/release-detail?ReleaseID=3678,general,6272,Ernst,13467,Joni K. Ernst,REP,45.0
1211,130563,70080,2020,Iowa,1515,Data for Progress,"1155,1452",Crooked Media | Indivisible,Data for Progress,522,Data for Progress,B,743,lv,lv,Online/Text,U.S. Senate,0,Class II,9/23/20,9/28/20,11/3/20,,0,DEM,,0,0,10/1/20 08:02,,https://filesforprogress.org/memos/2020-senate-project/week-2/dfp_psp_IA_Senate_week2.pdf,general,6272,Ernst,13467,Joni K. Ernst,REP,45.0
1213,130564,70080,2020,Iowa,1515,Data for Progress,"1155,1452",Crooked Media | Indivisible,Data for Progress,522,Data for Progress,B,743,lv,lv,Online/Text,U.S. Senate,0,Class II,9/23/20,9/28/20,11/3/20,,0,DEM,,0,0,10/1/20 08:02,,https://filesforprogress.org/memos/2020-senate-project/week-2/dfp_psp_IA_Senate_week2.pdf,general,6272,Ernst,13467,Joni K. Ernst,REP,42.0
1240,130670,70132,2020,Iowa,204,Garin-Hart-Yang Research Group,791,Human Rights Campaign,Hart Research Associates,113,Garin-Hart-Yang Research Group,B-,400,lv,lv,Live Phone,U.S. Senate,0,Class II,9/24/20,9/27/20,11/3/20,,0,DEM,,0,0,10/2/20 16:33,,https://hrc-prod-requests.s3-us-west-2.amazonaws.com/ME-13067-HRC-Issues-10-State-1.pdf?mtime=20201002132812&focal=none,general,6272,Ernst,13467,Joni K. Ernst,REP,48.0
1257,130605,70073,2020,Iowa,1256,RABA Research,1185,Nexstar,RABA Research,269,RABA Research,B/C,780,lv,lv,Live Phone,U.S. Senate,0,Class II,9/23/20,9/26/20,11/3/20,,0,,,0,0,10/1/20 17:25,,https://who13.com/news/theresa-greenfield-leads-joni-ernst-by-12-points-in-new-poll-of-iowa-voters/,general,6272,Ernst,13467,Joni K. Ernst,REP,39.0
1302,130249,69943,2020,Iowa,320,Monmouth University,,,Monmouth University,215,Monmouth University,A,402,rv,rv,Live Phone,U.S. Senate,0,Class II,9/18/20,9/22/20,11/3/20,,0,,,0,0,9/24/20 11:04,,https://www.monmouth.edu/polling-institute/documents/monmoutpoll_ia_092420.pdf/,general,6272,Ernst,13467,Joni K. Ernst,REP,47.0
1306,130250,69943,2020,Iowa,320,Monmouth University,,,Monmouth University,215,Monmouth University,A,402,lv,lv,Live Phone,U.S. Senate,0,Class II,9/18/20,9/22/20,11/3/20,,0,,,0,0,9/24/20 11:04,higher likely turnout,https://www.monmouth.edu/polling-institute/documents/monmoutpoll_ia_092420.pdf/,general,6272,Ernst,13467,Joni K. Ernst,REP,46.0
1310,130251,69943,2020,Iowa,320,Monmouth University,,,Monmouth University,215,Monmouth University,A,402,lv,lv,Live Phone,U.S. Senate,0,Class II,9/18/20,9/22/20,11/3/20,,0,,,0,0,9/24/20 11:04,lower likely turnout,https://www.monmouth.edu/polling-institute/documents/monmoutpoll_ia_092420.pdf/,general,6272,Ernst,13467,Joni K. Ernst,REP,47.0
1318,129985,69710,2020,Iowa,1424,Siena College/The New York Times Upshot,,,Siena College/The New York Times Upshot,448,Siena College/The New York Times Upshot,A+,501,lv,lv,Live Phone,U.S. Senate,0,Class II,9/16/20,9/22/20,11/3/20,,0,,,0,0,9/24/20 05:06,,https://int.nyt.com/data/documenttools/ga-ia-tx-crosstabs/ca61e64eaef883ac/full.pdf,general,6272,Ernst,13467,Joni K. Ernst,REP,40.0
1457,129593,69560,2020,Iowa,437,Selzer & Co.,"52,613",Des Moines Register | Mediacom,Selzer & Co.,304,Selzer & Co.,A+,658,lv,lv,Live Phone,U.S. Senate,0,Class II,9/14/20,9/17/20,11/3/20,,0,,,0,0,9/19/20 19:01,,https://assets.documentcloud.org/documents/7213769/Senate-Story-2224-Iowa-Poll-Sep-2020-Methodology.pdf,general,6272,Ernst,13467,Joni K. Ernst,REP,42.0
1620,128420,68585,2020,Iowa,1617,Fabrizio Ward/Hart Research Associates/AARP Research,42,AARP,Fabrizio Ward/Hart Research Associates/AARP Research,613,Fabrizio Ward/Hart Research Associates/AARP Research,,800,lv,lv,Live Phone,U.S. Senate,0,Class II,8/30/20,9/5/20,11/3/20,,0,,,0,0,9/10/20 09:37,,https://www.aarp.org/content/dam/aarp/research/surveys_statistics/politics/2020/2020-election-battleground-states-senate-iowa-annotated-questionnaire.doi.10.26419-2Fres.00401.018.pdf,general,6272,Ernst,13467,Joni K. Ernst,REP,50.0
1649,134458,71755,2020,Iowa,1632,National Research Inc.,1326,American Action Forum,Opinion Insight,225,National Research Inc.,A/B,800,lv,lv,Live Phone,U.S. Senate,0,Class II,8/30/20,9/2/20,11/3/20,,0,REP,,0,0,10/23/20 15:14,,https://www.americanactionforum.org/insight/iowa-policy-priorities-and-the-election/,general,6272,Ernst,13467,Joni K. Ernst,REP,49.0
1748,127573,68110,2020,Iowa,383,Public Policy Polling,236,MoveOn,Public Policy Polling,263,Public Policy Polling,A-,729,v,v,IVR/Text,U.S. Senate,0,Class II,8/13/20,8/14/20,11/3/20,,0,DEM,,0,0,8/18/20 13:56,,https://s3.amazonaws.com/s3.moveon.org/images/IowaResults1.pdf,general,6272,Ernst,13467,Joni K. Ernst,REP,45.0
1808,127157,67920,2020,Iowa,320,Monmouth University,,,Monmouth University,215,Monmouth University,A,401,rv,rv,Live Phone,U.S. Senate,0,Class II,7/30/20,8/3/20,11/3/20,,0,,,0,0,8/5/20 11:02,,https://www.monmouth.edu/polling-institute/documents/monmouthpoll_ia_080520.pdf/,general,6272,Ernst,13467,Joni K. Ernst,REP,48.0
1812,127158,67920,2020,Iowa,320,Monmouth University,,,Monmouth University,215,Monmouth University,A,401,lv,lv,Live Phone,U.S. Senate,0,Class II,7/30/20,8/3/20,11/3/20,,0,,,0,0,8/5/20 11:02,higher likely turnout,https://www.monmouth.edu/polling-institute/documents/monmouthpoll_ia_080520.pdf/,general,6272,Ernst,13467,Joni K. Ernst,REP,48.0
1816,127159,67920,2020,Iowa,320,Monmouth University,,,Monmouth University,215,Monmouth University,A,401,lv,lv,Live Phone,U.S. Senate,0,Class II,7/30/20,8/3/20,11/3/20,,0,,,0,0,8/5/20 11:02,lower likely turnout,https://www.monmouth.edu/polling-institute/documents/monmouthpoll_ia_080520.pdf/,general,6272,Ernst,13467,Joni K. Ernst,REP,48.0
1840,127195,67935,2020,Iowa,1515,Data for Progress,,,Data for Progress,522,Data for Progress,B,1101,lv,lv,Online/Text,U.S. Senate,0,Class II,7/24/20,8/2/20,11/3/20,,0,,,0,0,8/6/20 08:00,,http://filesforprogress.org/datasets/2020/8/progressive-senate-project/DFP_Iowa_8_20_xtabs.pdf,general,6272,Ernst,13467,Joni K. Ernst,REP,43.0
1865,127238,67954,2020,Iowa,1554,RMG Research,1054,United States Term Limits,RMG Research,555,RMG Research,B-,500,rv,rv,Online,U.S. Senate,0,Class II,7/27/20,7/30/20,11/3/20,,0,,,0,0,8/6/20 18:09,,https://www.termlimits.com/ernst/,general,6272,Ernst,13467,Joni K. Ernst,REP,36.0
1981,126534,67623,2020,Iowa,1488,Spry Strategies,1260,American Principles Project,Spry Strategies,508,Spry Strategies,B/C,701,lv,lv,IVR/Online,U.S. Senate,0,Class II,7/11/20,7/16/20,11/3/20,,0,REP,,0,0,7/22/20 18:48,,https://americanprinciplesproject.org/wp-content/uploads/2020/07/APP.Iowa_.pdf,general,6272,Ernst,13467,Joni K. Ernst,REP,42.84
2077,125194,67003,2020,Iowa,187,GQR Research (GQRR),681,End Citizens United,GQR Research,126,GQR Research (GQRR),B,800,lv,lv,Live Phone,U.S. Senate,0,Class II,6/23/20,6/28/20,11/3/20,,0,DEM,,0,0,7/6/20 14:47,,https://endcitizensunited.org/wp-content/uploads/2020/07/ECU-IA-Senate-Memo.pdf,general,6272,Ernst,13467,Joni K. Ernst,REP,47.0
2170,124636,66796,2020,Iowa,437,Selzer & Co.,"52,613",Des Moines Register | Mediacom,Selzer & Co.,304,Selzer & Co.,A+,674,lv,lv,Live Phone,U.S. Senate,0,Class II,6/7/20,6/10/20,11/3/20,,0,,,0,0,6/13/20 19:01,,https://assets.documentcloud.org/documents/6953460/2216-Methodology-062120.pdf,general,6272,Ernst,13467,Joni K. Ernst,REP,43.0
2172,124570,66767,2020,Iowa,1447,Civiqs,185,Daily Kos,Civiqs,471,Civiqs,B-,865,rv,rv,Online,U.S. Senate,0,Class II,6/6/20,6/8/20,11/3/20,,0,,,0,0,6/9/20 08:18,,https://civiqs.com/documents/Civiqs_DailyKos_IA_banner_book_2020_06_ony3r9.pdf,general,6272,Ernst,13467,Joni K. Ernst,REP,45.0
2176,124512,66740,2020,Iowa,383,Public Policy Polling,32,Emily's List,Public Policy Polling,263,Public Policy Polling,A-,963,v,v,IVR/Text,U.S. Senate,0,Class II,6/3/20,6/4/20,11/3/20,,0,DEM,,0,0,6/5/20 09:16,,https://secure.emilyslist.org/page/-/IowaResults.pdf,general,6272,Ernst,13467,Joni K. Ernst,REP,43.0
2253,123386,66285,2020,Iowa,1256,RABA Research,,,RABA Research,269,RABA Research,B/C,632,lv,lv,Live Phone,U.S. Senate,0,Class II,5/7/20,5/9/20,11/3/20,Eddie Mauro,1,DEM,,0,0,5/14/20 15:35,,https://www.thegazette.com/subject/news/senate-race-polll-iowa-eddie-mauro-theresa-greenfield-michael-franken-joni-ernst-20200514,general,6272,Ernst,13467,Joni K. Ernst,REP,42.0
2273,122516,66047,2020,Iowa,383,Public Policy Polling,,,Public Policy Polling,263,Public Policy Polling,A-,1222,v,v,IVR/Text,U.S. Senate,0,Class II,4/30/20,5/1/20,11/3/20,,0,,,0,0,5/4/20 09:09,,https://www.publicpolicypolling.com/wp-content/uploads/2020/05/IowaResultsMay2020.pdf,general,6272,Ernst,13467,Joni K. Ernst,REP,43.0
2473,114968,63144,2020,Iowa,383,Public Policy Polling,681,End Citizens United,Public Policy Polling,263,Public Policy Polling,A-,944,v,v,IVR,U.S. Senate,0,Class II,12/13/19,12/15/19,11/3/20,,0,DEM,,0,0,12/18/19 08:27,,https://endcitizensunited.org/wp-content/uploads/2019/12/IowaResults.pdf,general,6272,Ernst,13467,Joni K. Ernst,REP,47.0
2499,104652,60106,2020,Iowa,1102,Emerson College,,,Emerson College,88,Emerson College,A-,888,rv,rv,IVR/Online,U.S. Senate,0,Class II,10/13/19,10/16/19,11/3/20,,0,,,0,0,10/17/19 12:02,,https://emersonpolling.reportablenews.com/pr/iowa-2020-dead-heat-with-biden-and-warren-mayor-pete-continues-to-build-and-sanders-slides,general,6272,Ernst,13467,Joni K. Ernst,REP,46.5
2580,100831,58957,2020,Iowa,940,Lake Research Partners,,,Lake Research Partners,165,Lake Research Partners,A/B,500,lv,lv,,U.S. Senate,0,Class II,4/24/19,4/29/19,11/3/20,Eddie Mauro,1,DEM,,0,0,8/20/19 16:32,"dates and sample info from Daily Kos Elections Live Digest, 6/12/2019: https://www.dailykos.com/stories/2019/6/12/1863402/-Daily-Kos-Elections-Live-Digest-6-12#update-1560354258000",https://iowastartingline.com/2019/06/10/ia-sen-national-party-coalesces-behind-greenfield-mauro-points-to-poll/,general,6272,Ernst,13467,Joni K. Ernst,REP,58.0