2020 Other States Polls

SUPRC's polls have tracked elections for, President, Governor and US Senate, as well as national, statewide and local issues in many states, including: Arkansas, California, Colorado, Connecticut, Florida, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Michigan, Minnesota, Missouri, Montana, Nevada, New Jersey, North Carolina, Ohio, Oregon, Pennsylvania, Rhode Island, Utah, and Virginia.

Poll Documents

Suffolk University Article

USA TODAY Article

Statement of Methodology

This survey of 500 likely Pennsylvania general election voters was conducted between October 15 and October 19, 2020, and is based on live telephone interviews of adults who indicated they were likely to vote in the November 2020 general election for president. Each area’s quota and demographic information -- including race and age -- was determined from previous like elections and 2010 Census data. Samples of both standard landline and cell phones were called using a probability-proportionate-to-size method, which means that the phone numbers assigned to each county were proportional to the number of likely voters expected based on similar past elections. The 67 Pennsylvania counties were grouped into five general regions. Respondents in the household were selected by initially asking for the youngest adult. The margin of sampling error for results based on the total sample is +/-4.4 percentage points. Error margins increase for smaller subgroups in the cross-tabulation document that follows. All surveys may be subject to other sources of error, including but not limited to coverage error and measurement error.

Poll Documents

Sarasota Herald-Tribune Articles

Statement of Methodology

This survey of 500 likely Florida general election voters was conducted between October 1 and October 4, 2020, and is based on live telephone interviews of adults who indicated they were likely to vote in the November 2020 general election for president. Each area’s quota and demographic information -- including race and age -- was determined from previous like elections and 2010 Census data. Samples of both standard landline and cell phones were called using a probability-proportionate-to-size method, which means that the phone numbers assigned to each county were proportional to the number of likely voters expected based on similar past elections. The 67 Florida counties were grouped into four general regions. Respondents in the household were selected by initially asking for the youngest adult. The margin of sampling error for results based on the total sample is +/-4.4 percentage points. Error margins increase for smaller subgroups in the cross-tabulation document that follows. All surveys may be subject to other sources of error, including but not limited to coverage error and measurement error.

Poll Documents

Suffolk University Article

Arizona Republic Article

Statement of Methodology

This survey of 500 likely Arizona general-election voters was conducted between September 26 and September 30, 2020, and is based on live telephone interviews of adults who indicated they were likely to vote in the November 2020 general election for president and U.S. Senate. Each area’s quota and demographic information -- including race and age -- was determined from previous like elections and 2010 Census data. Samples of both standard landline and cell phones were called using a probability-proportionate-to-size method, which means that the phone numbers assigned to each county were proportional to the number of likely voters expected based on similar past elections. The 15 Arizona counties were grouped into three general regions. Respondents in the household were selected by initially asking for the youngest adult. The margin of sampling error for results based on the total sample is +/-4.4 percentage points. Error margins increase for smaller subgroups in the cross-tabulation document. All surveys may be subject to other sources of error, including but not limited to coverage error and measurement error.

Poll Documents

Suffolk University Press Release

USA TODAY Article

Statement of Methodology

This survey of 500 likely Minnesota general-election voters was conducted between September 20 and September 24, 2020, and is based on live telephone interviews of adults who indicated they were likely to vote in the November 2020 general election for president. Each area’s quota and demographic information -- including race and age -- was determined from previous like elections and 2010 Census data. Samples of both standard landline and cell phones were called using a probability-proportionate-to-size method, which means that the phone numbers assigned to each county were proportional to the number of likely voters expected based on similar past elections. The 87 Minnesota counties were grouped into four general regions. Respondents in the household were selected by initially asking for the youngest adult. The margin of sampling error for results based on the total sample is +/-4.4 percentage points. Error margins increase for smaller subgroups in the cross-tabulation document that follows.

Poll Documents

Statement of Methodology

This survey of 500 likely Maine general-election voters was conducted between September 17 and September 20, 2020, and is based on live telephone interviews of adults who indicated they were likely to vote in the November 2020 general election for president. Each area’s quota and demographic information -- including race and age -- was determined from previous like elections and 2010 Census data. Samples of both standard landline and cell phones were called using a probability-proportionate-to-size method, which means that the phone numbers assigned to each county were proportional to the number of likely voters expected based on similar past elections. The 16 Maine counties were grouped into four general regions. Respondents in the household were selected by initially asking for the youngest adult. The margin of sampling error for results based on the total sample is +/-4.4 percentage points. Error margins increase for smaller subgroups in the cross-tabulation document that follows.

Poll Documents

Statement of Methodology

This survey of 500 likely North Carolina general-election voters was conducted between September 11 and September 14, 2020, and is based on live telephone interviews of adults who indicated they were likely to vote in the November 2020 general election for president. Each area’s quota and demographic information -- including race and age -- was determined from previous like elections and 2010 Census data. Samples of both standard landline and cell phones were called using a probability-proportionate-to-size method, which means that the phone numbers assigned to each county were proportional to the number of likely voters expected based on similar past elections. The 100 North Carolina counties were grouped into five general regions. Respondents in the household were selected by initially asking for the youngest adult. The margin of sampling error for results based on the total sample is +/-4.4 percentage points. Error margins increase for smaller subgroups in the cross-tabulation document that follows. All surveys may be subject to other sources of error, including but not limited to coverage error and measurement error.

Poll Documents

Marginals [PDF]

Tables [PDF]

Salt Lake Tribune Press Releases

Poll: Utah GOP primary voters back President Trump, disapprove of Sen. Mitt Romney

Poll: Most Utah Republicans think life will be back to normal within a year

Statement of Methodology

This survey of 500 likely Republican State Primary voters of Utah was conducted between June 4 and June 7, 2020, and is based on live telephone interviews of respondents planning to vote in the June 30th Republican Primary. Quota and demographic information – including race and age – were determined from national census data. Samples of both standard landlines and cell phones were called using a probability-proportionate-to-size method, which means that the phone numbers assigned to each county were proportional to likely turnout based on a number of factors, including Utah GOP exit polling data. Utah’s 28 counties were grouped into five general regions. The margin of error for results based on the total sample size is +/- 4.4 percentage points at a 95 percent confidence level. Error margins increase for smaller subgroups in the cross-tabulation document link above. All surveys may be subject to other sources of error, including but not limited to coverage error and measurement error.

Poll Documents

Press Release

Poll: Sanders Poised to Win California, Leading Warren in Close Mass. Race

USA TODAY Press Release

California, here they come: Sanders dominates new USA TODAY/Suffolk poll of Super Tuesday's prize

Methodology

This survey of 500 registered California voters was conducted between February 26 and February 29, 2020, and is based on live telephone interviews of adults who indicated that they plan to vote in the March 3, 2020 Democratic Presidential primary. Each area’s quota and demographic information -- including race and age -- was determined from exit polling data as well as American Community Survey Census data. Samples of both standard landlines and cell phones were called using a probability-proportionate-to-size method, which means that the phone numbers assigned to each county were proportional to the number of likely voters expected based on similar past elections. The 57 California counties were grouped into five general regions. Respondents in the household were selected by initially asking for the youngest adult. The margin of sampling error for results based on the total sample is +/- 4.4 percentage points. Error margins increase for smaller subgroups in the cross-tabulation document that follows. All surveys may be subject to other sources of error, including but not limited to coverage error and measurement error.

Poll Documents

Poll Documents

Marginals [PDF]

Tables [PDF]

Tufts Press Releases

Exclusive Polling: Iowa Youth Poised for Historic Caucus Turnout

One-Third of Youth in Iowa Poised to Caucus; Strong Support for Sanders

Youth Leadership and Engagement Ahead of the 2020 Iowa Caucuses

Statement of Methodology

This survey of 500 young Iowa residents was conducted between January 15 and January 20, 2020, and is based on live telephone interviews of adults who indicated they were residents of Iowa. Each area’s quota and demographic information -- including geography and race -- was determined from 2010 Census data, the 2018 American Community Survey, and the Iowa State Data Center. Samples of both standard landline and cell phones were called using a probability-proportionate-to-size method, which means that the age-specific listed phone numbers assigned to each county were proportional to the number of residents between the ages of 18-29 years. The 99 Iowa counties were grouped into five general regions. Respondents in the household were selected by initially asking for the youngest adult. The margin of sampling error for results based on the total sample is +/-4.4 percentage points. The margin of sampling error for 150 potential Democratic Caucus-goers is +/- 8.0 percentage points. The margin of sampling error for 154 potential Republican Caucus-goers is +/- 7.9 percentage points. Error margins increase for smaller subgroups in the cross-tabulation document that follows. All surveys may be subject to other sources of error, including but not limited to coverage error and measurement error.

Poll Documents

Marginals [PDF]

Tables [PDF]

Suffolk University Press Release

Suffolk University/USA Today Poll Shows Biden Leading in Iowa

USA TODAY Press Release

Poll: A week before the caucuses, Joe Biden leads an Iowa race that remains unsettled

Statement of Methodology

This survey of 500 likely Iowa Democratic Caucus voters was conducted between January 23 and January 26, 2020, and is based on a statewide random sample drawn from a list of registered Democratic and No Party voters who indicated they were very or somewhat likely to vote in their local Democratic Caucuses for president in two weeks. Each of Iowa's five areas and demographic information were determined from past contested Democratic presidential caucuses using a probability-proportionate-to-size method, which means that the phone numbers assigned to each county were proportional to the number of likely caucus voters; the sample included 86% cell phones and 14% landlines. Iowa's 99 counties were grouped into five general regions. The margin of sampling error for results based on the total sample is plus or minus 4.4 percentage points. Error margins increase for smaller subgroups in the cross-tabulation document which follows. All surveys may be subject to other sources of error, including, but not limited to coverage error and measurement error.

Poll Documents

Marginals [PDF]

Tables [PDF]

Salt Lake Tribune Press Release

More Utahns back President Trump as he faces impeachment trial

Statement of Methodology

This survey of 500 residents of the state of Utah was conducted between January 18 and January 22, 2020, and is based on live telephone interviews of adults 18 years of age or older who identified as residing in Utah. Quota and demographic information – including race and age – were determined from national census data. Samples of both standard landlines and cell phones were called using a probability-proportionate-to-size method, which means that the phone numbers assigned to each county were proportional to the number of female adults living in that county. Utah’s 28 counties were grouped into five general regions. Respondents in the household were selected by initially asking for the youngest in the household. The margin of error for results based on the total sample size is +/- 4.4 percentage points at a 95 percent confidence level.

Poll Documents

Marginals [PDF]

Tables [PDF] 

Suffolk University Press Release

Poll Shows Biden and Sanders on Top in Nevada

Reno Gazette-Journal Press Release

RGJ Poll: Biden remains Democrats' favorite in Nevada, but Sanders gaining

Statement of Methodology

This survey of 500 likely Nevada Democratic Caucus voters was conducted between January 8 and January 11, 2020, and is based on a statewide random sample drawn from a list of eligible voters who indicated they were very or somewhat likely to vote in their local Democratic Caucuses for president in five weeks. Each of Nevada's three areas and demographic information were determined from past contested Democratic presidential caucuses using a probability-proportionate-to-size method, which means that the phone numbers assigned to each county were proportional to the number of likely caucus voters. Nevada's 16 counties plus Carson City were grouped into three general regions. The margin of sampling error for results based on the total sample is plus or minus 4.4 percentage points. Error margins increase for smaller subgroups in the cross-tabulation document which follows. All surveys may be subject to other sources of error, including, but not limited to coverage error and measurement error.