The Berkeley IGS Poll is a periodic survey of California public opinion on important matters of politics, public policy, and public issues. The poll, which is disseminated widely, seeks to provide a broad measure of contemporary public opinion, and to generate data for subsequent scholarly analysis.

Recent IGS Poll reports can be downloaded from eScholarship. 

The D-Lab makes the IGS Poll data available for download or online analysis here.

Contact: igs [at] berkeley.edu, 510-642-4465; Mark Di Camillo, Berkeley IGS Poll Director, mdicamillo [at] berkeley.edu

Read IGS Poll Director Mark Di Camillo's bio here.

 

Polls 

Release #2020-28, November 20, 2020

Taxes, Proposition 13 and this year’s vote on the split roll property tax initiative, Proposition 15

-Tabulations from a Late October 2020 Survey of California Likely Voters about Taxes, Proposition 13 and this Year’s “Split Roll” Property Tax Initiative, Proposition 15

Release #2020-27, November 3, 2020

The profound changes that have occurred in the California electorate over the past thirty years

Release #2020-26, October 28, 2020

The Strong Feelings Underlying this Year’s Vote for President are Leading Many to Question the Fairness of the Process and Whether Americans Will Respect its Outcome

-Tabulations from a Late October 2020 Survey of California Likely Voters about the Integrity of this Year’s Presidential Election

Release #2020-25, October 27, 2020

Biden’s Victory Margin in California in this Year’s Presidential Election Could Reach Historic Proportions 

-Tabulations from a Late October 2020 Survey of California Likely Voters about the Presidential Election

Release #2020-24, October 26, 2020 

Close Elections Forecast for Proposition 15 (Split Roll Property Taxes) and Proposition 22 (App-based Drivers)

-Tabulations from a Late October 2020 Survey of California Likely Voters about Four of the Propositions on the November 2020 Statewide Election Ballot

Release #2020-23, October 15, 2020

CA Voters Became More Polarized on the Pandemic Overtime:Views Shifted on Both the Left and Right (Tabulations in appendix)

Release #2020-22, September 30, 2020

Decline in Californians’ perceptions of the seriousness of the coronavirus in their local area over the past two months

-Tabulations from a Mid-September 2020 Survey of California Registered Voters Updating Perceptions of the Seriousness of the Coronavirus and its Impact on Voters and their Families

Release #2020-21, September 29, 2020

Evaluations of Governor Newsom as he approaches mid-term

-Tabulations from a Mid-September 2020 Survey of California Registered Voters About Governor Newsom’s Job Performance his Handling of the Issues

Release #2020-20, September 28, 2020

Many Californians are concerned about the integrity of this year’s presidential election

-Tabulations from a Mid-September 2020 Survey of California Likely Voters about the Integrity of this year’s Presidential Election and Their Likely Voting Method

Release #2020-19, September 25, 2020

Biden maintains huge lead over Trump in California

-Tabulations from a Mid-September 2020 Survey of California Registered and Likely Voters about Presidential Politics

Release #2020-18, September 24, 2020

Three in four Californians see the threat of wildfire as now much more serious than in the past

 -Tabulations from a Mid-September 2020 Survey of California Registered Voters About the Threat of Wildfires 

Release #2020-17, September 23, 2020

Likely Voter Preferences on Four State Ballot Propositions

-Tabulations from a Mid-September 2020 Survey of California Likely Voters about Four of the Propositions on the November 2020

Statewide Election Ballot

Release #2020-16, August 24, 2020

Californians confident in mail-in voting despite partisan attacks

-Tabulations from a late July 2020 Survey of California Registered and Likely Voters about Californians confidence in mail-in voting

Release #2020-15, August 12, 2020 

Broad support for police reform and proposals aimed at reducing police violence, even as most are satisfied with their local police.

-Tabulations from a late July 2020 Survey of California Registered and Likely Voters about Race Relations, the Black Lives Matter Movement and Police Reform

Release #2020-14, August 11, 2020

Black Lives Matter movement viewed favorably greater than 2 to 1 

-Tabulations from a late July 2020 Survey of California Registered and Likely Voters about Race Relations, the Black Lives Matter Movement and Police Reform

Release #2020-13, August 6, 2020

Big disparity in the coronavirus’ impact on the lives of Californians across major racial and ethnic subgroups (amended)

-Tabulations from a late July 2020 Survey of California Registered Voters about the Coronavirus (amended)

Release #2020-12, August 5, 2020

How partisan differences and views of President Trump are framing voter perceptions of the virus (amended)

-Tabulations from a late July 2020 Survey of California Registered Voters about the Coronavirus (amended)

Release #2020-11, August 4, 2020

California voters overwhelmingly prefer Biden to Trump in the November presidential election (amended)

-Tabulations from a late July 2020 Survey of California Registered and Likely Voters about Presidential Politics (amended)

Release #2020-10, June 5, 2020 

Support for a Single-Payer Health Care System to Address Disasters & Pandemics

-Tabulations from an April 2020 Survey of California Registered Voters about Single-Payer Healthcare

Release #2020-09, May 15, 2020

California Voters Strongly Divided About President Trump’s Attribution of COVID-19 to China

-Tabulations from an April 2020 Survey of California Registered Voters about Chinese Blame for COVID-19

Release #2020-08, May 13, 2020

Perceptions of Inequality and the Pandemic Vary Drastically Among Californians

-Tabulations from an April 2020 Survey of California Registered Voters about COVID-19 and Inequality

Release #2020-07, May 8, 2020

Broad Support for Farmworker Protections in COVID-19 Context

-Tabulations from an April 2020 Survey of California Registered Voters about COVID-19 and Farmworkers

Release #2020-06, May 6, 2020

Racial Minorities More at Risk in the Workplace and the Economy

-Tabulations from a survey about COVID-19 and racial minorities

Release #2020-05, May 1, 2020

Californians’ Views Towards President Trump Shape COVID-19 Attitudes

-Tabulations from the late April Survey of Registered Voters in California about the COVID-19 Pandemic

Release #2020-04, March 3rd, 2020

Voters willing to tolerate delays in the election vote count to maximize Californians’ opportunities to register and vote.

- Tabulations from the Late February 2020 Survey of California Registered About Recent Changes in the State's Election Laws

Release #2020-03, February 28th, 2020

Sanders opens up a commanding lead in California’s Democratic presidential primary; The state’s Latinos and younger voters are propelling the Sanders surge.

- Tabulations from a February 2020 Survey of Likely Voters in California's Democratic Primary Election 

Release #2020-02, January 29, 2020

Despite all the recent tumult surrounding the President, Trump’s job ratings remain unchanged in California

Release #2020-01, January 28, 2020
Sanders leads in California’s presidential primary, as he consolidates his support among liberals and younger voters

- Tabulations from a January 2020 Survey of Likely Voters in California's Democratic Presidential Primary Election

Release #2019-17, December 10, 2019
Large Majority Supports Changing the Way PG&E Operates, but No Consensus as to the Single Best Path Forward

- Tabulations from a Late November 2019 Survey of California Voters About Recent Power Blackouts in California and the Problems Facing the Pacific Gas and Electric Company  

Release #2019-16, December 6, 2019
Climate change and health care reform are top priority issues to Californians likely to vote in the state’s Democratic primary

- Tabulations from a Late November 2019 Survey of Likely Voters in California's March 2020 Democratic Presidential Primary Election About the Issues They Would Most Like the Next President to Address

Release #2019-15, December 5, 2019
Sanders and Warren Now Share the Lead in California. Preferences Unusually Fluid Three Months Before the State’s Primary Election

- Tabulations from a Late November 2019 Survey of Likely Voters in California's March 2020 Democratic Presidential Primary Election  

Release #2019-14, December 4, 2019
Prior to Kamala Harris’ announced withdrawal from the presidential race, 61% of likely voters in California’s Democratic primary felt she should suspend her campaign

- Tabulations from a Late November 2019 Survey of Likely Voters in California's March 2020 Democratic Presidential Primary Election Regarding Kamala Harris and Her Status in the Primary

Release #2019-13, December 4, 2019
A 57% Majority of California Voters Supports House Impeachment of President Trump

- Tabulations from a Late November 2019 Survey of California Voters about Impeachment and President Donald Trump

Release #2019-12, October 16, 2019
Consensus among Californians that immigrants make the U.S. a better place 

- Tabulations from a September 2019 Survey of California Registered Voters about their Perceptions of Immigrants

Release #2019-11, October 2, 2019
Voters Divided on Referendum to Overturn California’s New Bail Reform Legislation, with Many Undecided 

- Tabulations from a September 2019 Survey of California Likely Voters in the November 2020 General Election the Repeal of the State's New Bail Reform Law

Release #2019-10, October 1, 2019
Two in Three Say Legalizing Marijuana in California was a Good Thing; Most Support Allowing Retail Marijuana Dispensaries in the own Community 

- Tabulations from a September 2019 Survey of California Registered Voters about the Passage of Proposition 64 (Marijuana Legalization) in 2016 and Allowing Cannabis Stores in Your Own Local Community

Release #2019-09, September 30, 2019
Strong Support for the State’s New Child Vaccination Law; Voters approve of the job Gavin Newsom is doing as Governor three to two

- Tabulations from a September 2019 Survey of California Registered Voters about the State's Child Vaccination Law and Job Performance of Governor Gavin Newsom

Release #2019-08, September 27, 2019
Leaving California: Half of State’s Voters Have Been Considering This; Republicans and Conservatives Three Times as likely as Democrats and Liberals to be Giving Serious Consideration to Leaving the State

- Tabulations from a September 2019 Survey of California Registered Voters about Living in California

Release #2019-07, September 26, 2019
Californians Appear Even Less Inclined to Support Trump Next Year than in 2016 When He Lost the State by 30 Points

- Tabulations from a September 2019 Survey of California Voters about President Donald Trump and the 2020 Election

Release #2019-06, September 25, 2019
Warren Vaults into the Lead in California’s Democratic Presidential Primary; Harris at risk of being shut out of home-state delegates at her party’s convention. 

- Tabulations from a September 2019 Survey of Likely voters in California's March 2020 Democratic Presidential Primary Election

Release #2019-05, June 18, 2019
Three in four Californians support setting limits on housing in high risk wildfire areas of the state, but voters are divided when it comes to other housing development policies.

- Tabulations from a Statewide Survey of California Registered Voters About Housing Affordability and Development in California

Release #2019-04, June 17, 2019
Californians narrowly back Newsom’s moratorium on executions, but oppose abolishing the death penalty outright as a punishment for serious crimes

-  Tabulations from a Statewide Survey of California Registered Voters about the Death Penalty and Governor Gavin Newsom

Release #2019-03, June 14, 2019
While Trump remains hugely unpopular in California, there is no consensus here for Congress to begin impeachment proceedings against the President.

- Tabulations from a Statewide Survey of California Registered Voters about President Donald Trump, his Re-election and Whether Congress Should Begin Impeachment Proceedings

Release #2019-02, June 13, 2019
California’s Democratic Presidential Primary Race A Wide Open Affair. Biden holds slim lead; Kamala Harris currently running fourth in her home state.

- Tabulations from a Statewide Survey of Likely Voters in California's March 2020 Democratic Presidential Primary Election

Release #2019-01, March 12, 2019
While the “digital divide” persists in California, access to the Internet at home through a computing device has grown over the past two years.

- Digital Divide graphics

Release #2018-11, October 31, 2018
Final pre-election poll in races for Governor, U.S. Senate, Lt. Governor, Insurance Commissioner, State Schools Superintendent, and two high-profile state ballot initiatives, Propositions 6 and 10.  

 
 
 
 
Release #2018-06, May 1, 2018
 

Release #2018-05, April 27, 2018
While the statewide law providing sanctuary to undocumented immigrants is supported by a majority of California voters, the issue is highly divisive.

Release #2018-04, April 26, 2018
Newsom and Feinstein continue to hold large leads in gubernatorial and U.S. Senate primaries, but the nature of their competition is in flux. Two GOP challengers vie for second place in Governor’s race, as support for Villaraigosa declines; Little-known Republican challenging de Leon for second in the U.S. Senate primary.

Release #2018-03, February 7, 2018
California’s competitive congressional elections. Voters narrowly inclined to re-elect incumbent Democrat Ami Bera to the House of Representatives in the state’s 7th congressional district.

Release #2018-02, February 6, 2018
California’s competitive congressional elections. A 56% majority of voters in the state’s 25th congressional district are disinclined to re-elect Republican Steve Knight to another term.

Release #2018-01, February 6, 2018
California’s competitive congressional elections. Likely voters in the 48th congressional district are disinclined to re-elect Dana Rohrabacher to another term this year.

Release #2017-21, December 22, 2017
Proposed gas tax repeal backed five to four.  Support tied to voter views about the state’s high gas prices rather than the condition of its roads.

Release #2017-18, December 19, 2017
Californians oppose the tax reform bill five to three; opinions highly partisan. Most voters believe it will negatively impact the state, and just 20% think it will benefit themselves and their families.

Release #2017-17, October 5, 2017
California voters attach highest importance to creating a safe and positive environment when evaluating public schools

Release #2017-16, September 19, 2017
Half say housing affordability an “extremely serious” problem in their area.  Majority have considered moving because of high housing costs, 25% out of state.

Release #2017-15, September 15, 2017
Newsom remains the early leader in next year’s gubernatorial primary. Top issues in the governor’s race: economy/jobs, health care, crime/law enforcement, immigration/undocumented immigrants, state spending policies.

Release #2017-14, September 14, 2017
Voter Views of California’s Three National Leaders in Washington

  • Feinstein:  While voters rate her job performance positively, fewer than half are inclined to support a re-election bid. 
  • Harris: The freshman Senator’s job marks now exceed Feinstein’s, but most want her to remain in the Senate rather than run for president in 2020. 
  • Pelosi: State Democrats favor their party choosing someone else to serve as House leader after the 2018 elections.

Release #2017-13, September 13, 2017
Two in three Californians believe race relations are worsening across the country. Voters divided about the right of white nationalist groups to continue to hold their public demonstrations.

 
Release #2017-11, June 21, 2017
Release #2017-10, June 20, 2017
Release #2017-09, June 9, 2017
 
Release #2017-08, June 8, 2017
 
Release #2017-07, June 7, 2017
 
 
 
 
 
Release #2017-02, March 29, 2017
 
Release #2017-01, March 28, 2017
 

DiCamillo, Mark: Newsom leads in early voter preferences for Governor., November 15, 2016

DiCamillo, Mark: Harris maintaining comfortable lead over Sanchez in this year's U.S. Senate race., November 5, 2016

DiCamillo, Mark: Voters inclined to support many of this year's statewide ballot propositions., November 4, 2016

DiCamillo, Mark: Clinton holds twenty-point lead over Trump in California. Majorities view both candidates negatively., November 3, 2016

DiCamillo, Mark: Californians hold divergent views about the direction of the country and that of the state. Brown continues to receive very positive job marks, while views of the legislature are mixed., September 29, 2016

Citrin, Jack; DiCamillo, Mark: Strong support for Prop. 58. Backing fades if repeal of Prop. 227 provision is mentioned., September 28, 2016

DiCamillo, Mark: Strong support for tax extension and criminal sentencing initiatives; cigarette tax leads, but by narrower margin., September 27, 2016

DiCamillo, Mark: Prop. 61, the prescription drug purchases and pricing initiative, holds big early lead, but many voters are undecided., September 24, 2016

DiCamillo, Mark: Two-to-one voter support for Marijuana Legalization (Prop. 64) and Gun Control (Prop. 63) initiatives., September 23, 2016

DiCamillo, Mark: Death penalty repeal (Prop. 62) holds narrow lead, but is receiving less than 50% support. Most voters aren't sure about Prop. 66, a competing initiative to speed implementation of death sentences., September 22, 2016

DiCamillo, Mark: Harris widens lead over Sanchez in California's all-Democratic Party U.S. Senate Race., September 21, 2016

DiCamillo, Mark: Clinton's lead in California slips as her image among voters declines., September 20, 2016

Institute of Governmental Studies: IGS Poll Finds Support for Retaining Death Penalty, August 18, 2016

Institute of Governmental Studies: IGS Poll Finds Support for Gun Control, Marijuana Legalization, August 17, 2016

Institute of Governmental Studies: IGS Poll Finds Support for Extending Taxes on Wealthy, Increasing Cigarette Tax, August 16, 2016

Institute of Governmental Studies, UC Berkeley: Californians say cities should not be sanctuaries, IGS poll finds, September 4, 2015

Institute of Governmental Studies, UC Berkeley: Californians support doctor-assisted suicide, IGS poll finds, September 3, 2015

Institute of Governmental Studies, UC Berkeley: IGS poll: Californians support stronger climate change rules, September 2, 2015

Institute of Governmental Studies, UC Berkeley: IGS Poll on economic issues finds Californians oppose higher gas taxes, registration fees, August 31, 2015

In 2011 and 2012, IGS collaborated with the Field Poll, California's oldest and most-respected independent pollster, on the following polls:

Analysis

"The Trump Effect in California’s Mid-Term Congressional Elections" by Mark DiCamillo