data-and-research

CNN 2016 Exit Polls: What They Showed and How They Were Used

CNN’s 2016 exit polls were a large-scale, multistate effort to collect voter interviews immediately after casting ballots, intended to explain who voted for which candidate an...

Mara Ellison
CNN 2016 Exit Polls: What They Showed and How They Were Used

What 2016 exit polls meant for CNN’s election coverage

CNN’s 2016 exit polls were a large-scale, multistate effort to collect voter interviews immediately after casting ballots, intended to explain who voted for which candidate and why. Conducted by Edison Research for CNN and associated partners, the surveys produced demographic breakdowns, turnout estimates, and state-level results that became central to post-election analysis. This overview explains what exit polls are, how CNN’s 2016 version was designed and executed, what the data showed about the electorate and candidate preferences, and how these polls factor into interpreting election outcomes over time.

What exit polls are and how CNN used them in 2016

Exit polls are structured surveys of voters leaving polling places, designed to capture demographics, candidate choice, and key issues within a single election. For the 2016 cycle, CNN partnered with Edison Research to interview voters in a statistically designed sample across battleground and safe states. The goal was not to project winners—official results and the National Election Pool’s national projections served that role—but to illuminate the electorate’s composition and sentiment. CNN presented these data alongside results maps and analysis, making exit polls a tool for contextualizing turnout, shifts in coalitions, and variance from pre-election polls.

Methodology and scope at a glance

CNN’s 2016 exit poll implementation followed rigorous, transparent methods aligned with industry standards. Field operations were managed by Edison Research, with in-person interviews using tablets in a probability-based sample of precincts. Sampling frames emphasized geographic and demographic balance, and weighting adjusted for known benchmarks like age, gender, race, education, and region. Throughout Election Day and into the evening, CNN integrated exit poll findings with early returns, vote counts, and modeling to provide layered coverage that distinguished descriptive electorate data from outcome projections. This disciplined approach supports credibility and long-term usefulness as an explanatory resource rather than a predictive tool.

2016 exit poll results overview by key demographics

The following table summarizes the core demographic and preference findings from CNN’s 2016 exit polls, anchored in published national and state-level summaries. Entries reflect reported candidate choice and selected demographic filters, illustrating how different groups voted and how patterns varied across competitive and non-competitive states.

Demographic or State AttributeReported Detail or EstimateSource Type
National popular vote (CNN exit poll estimate)Clinton +2.1% (approximate)CNN Edison Research exit poll, weighted sample
Clinton vs. Trump by genderClinton +37 among women; Trump +35 among menCNN 2016 exit poll national figures
Clinton vs. Trump by ageClinton led 18–29 and 30–44; Trump led 45–64 and 65+CNN 2016 exit poll national figures
Clinton vs. Trump by educationClinton won college graduates; Trump won non-college white votersCNN 2016 exit poll national figures
Key state: FloridaTrump +1 among all voters; narrow Latino edge for TrumpCNN 2016 Florida exit poll
Key state: MichiganTrump +9 among white voters without college degree; close urban-rural splitCNN 2016 Michigan exit poll
Key state: PennsylvaniaTrump +9 among white voters without college degree; Clinton won urban countiesCNN 2016 Pennsylvania exit poll
Key state: WisconsinTrump +7 among white voters without college degree; Clinton held metro leadsCNN 2016 Wisconsin exit poll
Racial/ethnic breakdownClinton +81 Latino, +89 Black; Trump +58 whiteCNN 2016 exit poll national
Ideology and party IDClinton won moderates and liberals; Trump won conservativesCNN 2016 exit poll national

How exit polls differed from official results and models

It is important to distinguish exit polls from election night vote counts and statistical models. Exit polls describe the electorate’s makeup and preferences shortly after voting, whereas certified results reflect actual counted ballots. In 2016, early national exit polls suggested a modest Clinton lead, but state-level outcomes varied, with some states shifting toward Trump as final tallies came in. Models incorporating demographics, history, and polling generally aligned more closely with official results than exit polls alone, highlighting the value of integrating multiple data sources. Exit polls are strongest when used to explain who turned out and how preferences were distributed, not to declare winners before certification.

Notable details and common misunderstandings

  • Exit polls are not projections: CNN used 2016 exit polls to describe the electorate, not to call winners in real time.
  • Sampling variability exists: Even well-designed exit polls have margins of error, and state-level estimates can shift as more interviews are completed.
  • Weighting matters: Final demographic weights can change reported margins, especially for smaller subgroups and in close states.
  • They capture reported behavior, not verified votes: Responses reflect voter recall and self-reporting, which may differ from actual ballot choices.
  • Historical comparisons require caution: Changes in survey modes, turnout, and demographics mean 2016 patterns are not directly comparable to earlier or later cycles.

Why the 2016 CNN exit polls remain useful today

Though 2016 was a unique cycle with significant turnout patterns and geographic realignments, CNN’s exit polls from that year continue to serve as an explanatory baseline. They help analysts and audiences understand the demographic contours of that election, clarify why certain states leaned one way or another, and contextualize shifts in coalition behavior. For researchers, journalists, and educators, these data provide a durable reference for how voters by age, race, education, and ideology aligned with candidates, and how that alignment translated into state-level outcomes. Used alongside certified results and model-based estimates, they support a more complete and accurate picture of 2016 American electoral politics.

Key takeaways on CNN 2016 exit polls

  • Exit polls are descriptive, not predictive: their core role is to profile the electorate, not to project winners before certification.
  • CNN partnered with Edison Research to collect a large, weighted sample across diverse states using standardized methods.
  • Results revealed stark educational divides, gender gaps, and racial/ethnic patterns that varied by state and region.
  • State-level margins can differ from national exit polls, and final outcomes may shift as certification proceeds.
  • Responsible interpretation treats exit polls as one input alongside official results, voter file data, and model-based estimates.