WElCOME TO THE UNDERSTANDING AMERICA STUDY 2018 MIDTERM ELECTION DATA PAGE

This page summarizes the data and documentation associated with the 2018 USC Dornsife / LA Times Midterm Election Polls (November 2017 - November 2018). These polls were conducted in collaboration with the Center for The Political Future.

This page includes both UAS pre-election and post-election data collections, and associated documentation. As these files are being released over time, you can follow us on Twitter @UAS_CESR for timely updates on recent releases, or watch for updates in our quarterly data user newsletter. To access UAS data files, simply register as a UAS data user.

Basic demographics are included in all files. As with all UAS data sets, election data may be linked to variables from Other UAS surveys for further analysis if desired. Simply merge these data with other UAS data sets using variable uasid (respondent identifier).

Information on weighting in the UAS can be found here. A direct download of the UAS Weighting Procedures is located here.

NATIONAL ELECTION DATA

National election data consists of several pre-election and one post-election poll. Registration is required to download the data sets.

  • UAS 149 details 2018 Midterm Pre-Election Poll September 2018. (August 22, 2018 - September 23, 2018) - Direct download: Stata | CSV
  • UAS 155 details 2018 Midterm Pre-Election tracking poll 1 of 3. (October 14, 2018 - October 20, 2018) - Direct download: Stata | CSV
  • UAS 156 details 2018 Midterm Pre-Election tracking poll 2 of 3. (October 21, 2018 - October 27, 2018) - Direct download: Stata | CSV
  • UAS 157 details 2018 Midterm Pre-Election tracking poll 3 of 3. (October 28, 2018 - November 03, 2018) - Direct download: Stata | CSV
  • UAS 162 details 2018 Midterm Post-Election poll (November 7, 2018, ongoing) Data available December 2018

CALIFORNIA ELECTION DATA

California election data consists of several pre-election and one post-election poll. Registration is required to download the data sets.

  • UAS 114 details California Midterm Elections 1-year Benchmark poll. (October 27, 2017 - November 06, 2017) - Direct download: Stata | CSV
  • UAS 132 details 2018 California Pre-Primary Midterm Election poll (April 18, 2018 - May 17, 2018) - Direct download: Stata | CSV
  • UAS 138 details 2018 California Post-Primary Midterm Election poll. (June 06, 2018 - July 09, 2018) - Direct download: Stata | CSV
  • UAS 154 details 2018 California Pre-Midterm Election poll. (September 17, 2018 - October 14, 2018) - Direct download: Stata | CSV
  • UAS 162 details Post 2018 Midterm Election poll. (November 7, 2018, ongoing, date currently under embargo)

OTHER ELECTION-RELATED DATA

This data consists of multiple election-related surveys conducted in the summer and fall of 2018. Registration is required to download the data sets.

  • UAS 135 details May 2018 Monthly Survey. (May 16, 2018 - June 15, 2018) - Direct download: Stata | CSV
  • UAS 145 details July 2018 Monthly Survey. (July 16, 2018 - August 16, 2018) - Direct download: Stata | CSV
  • UAS 153 details September 2018 Monthly Survey. (September 14, 2018 - October 14, 2018) - Direct download: Stata | CSV
  • UAS 161 details October 2018 Monthly Survey. (October 15, 2018, ongoing, date currently under embargo)

METHODOLOGY

CODEBOOKS

Questions about the Understanding America Study or about overall UAS survey panel methodology? Click on the "methodology" menu above, or contact us at uas-l@mymaillists.usc.edu.