We interviewed hundreds of Iowans over 7 months. Here's what we learned ahead of the caucuses.

Contributing sentiments towards policy:

75% : For Trump supporters, Ramawamy's style and philosophy feel familiar.
66% : Katelyn Hirsch, a 24-year-old from Moville, Iowa, will be a first-time caucusgoer and plans to support Trump on Monday.
62% : According to the latest NBC News/Des Moines Register/Mediacom poll of Iowa caucusgoers, 51% of evangelicals pick Trump as their first choice.
62% : "You can appreciate what Donald Trump did.
61% : "My ideal ticket would be Trump for four years and Vivek for eight years," said Bob Klaus, 75, from Cedar Rapids.
59% : In 2016, evangelical Christian voters in Iowa boosted Sen. Ted Cruz to a caucus victory over Trump.
57% : And not only does he feel familiar to Trump supporters, but he is also familiar after barnstorming the state with hundreds of events.
55% : "I want to know how I'm going to be able to live the rest of my life without having to worry about, am I going to be able to afford that next tank of gas?" said Anita Hemingway, from rural Johnson County.
53% : Waterloo's Diana Arter, 74, told NBC News in December as she was picking between Trump and DeSantis: "I have to make up my own mind who I think will do a better job and hope and pray that I make the right decision.
51% : "Being able to beat Trump.
49% : And his performance has also become a talking point among 2024 rivals like Florida Gov. Ron DeSantis, who argues that he'll actually be able to complete the wall and require Mexico to pay for it, as Trump said in his first campaign.
49% : But as the theory leapt from the internet into the real world, Trump helped make sure it would take root.
46% : In the meantime, Ramaswamy provided fodder for Trump supporters in Iowa deprived of retail politics.
45% : And then Donald Trump has said that he will take care of that if he's back in office.
45% : "I just hope it doesn't cloud other people's opinion of Trump, because he's doing the work that needs to be done," she said.
45% : And like so many "Never Trumpers," for whom Woodley caucuses Jan. 15 will depend primarily on the person who has the best chance to stop Trump.
45% : "I think they stole the election from him, so I almost feel like part of the reason I like Trump is because I feel like he deserves another four years," he explained.
41% : Of the three companies that initially planned to build CO₂ pipelines through Iowa, Navigator CO2 Ventures has canceled its project, Wolf Carbon Solutions does not plan to use eminent domain, and state regulators have not yet granted Summit Carbon Solutions permission to start construction or to use eminent domain.
40% : Ramaswamy has visited each of Iowa's 99 counties at least twice this cycle, while Trump visited the Hawkeye State relatively rarely despite maintaining a dominant polling lead.
37% : Back in 2016, Trump only won 22% of the evangelical vote, according to the exit poll, losing to Cruz by 12 points with the voting bloc.
37% : But her endorsement of DeSantis broke the mold -- and was emblematic of an Iowa establishment hellbent on stopping Trump.
35% : Klaus has become a regular at Ramaswamy events in Iowa, but while he thinks the up-and-comer is the future of the Republican Party, he's sticking with Trump in 2024.
35% : A conspiracy will percolate on the web, it'll become the topic chatter among Trump's supporters, and then Trump will say it out loud at a rally, catalyzing the theory and spreading it like wildfire.
31% : "Being an Iowa farm boy, I didn't give a whole lot of credibility to Donald Trump the New York billionaire mogul," said Craig Gingrich, a 75-year-old part-time teacher from Cedar Falls.
31% : "Outside a Trump rally in Waterloo in the fall, dozens of Iowan Trump supporters regurgitated a conspiracy theory that was bubbling up online.
30% : In the poll, almost half of Haley's Iowa backers say they'll vote for Biden over Trump in a 2024 general election matchup.
25% : Pitts, who is planning to support Trump, said that not only is China responsible for stealing American technology, but that he also believes recent tariffs have unfairly favored it.
24% : I don't feel like President Trump did anything that was illegal," she said after attending an event for DeSantis in August.
23% : Trump supporters throughout Iowa say they view the former president's indictments as a weaponization of the Justice Department and his gag orders as an unfair attempt to silence him.
22% : "It's never been worse than it is now under crooked Joe Biden and, frankly, his boss, Barack Hussein Obama," Trump told a crowd of hundreds at a campaign stop in Wolfeboro, New Hampshire.
21% : I wouldn't really be attracted to Donald Trump.
20% : The latest NBC News/Des Moines Register/Mediacom poll underscores the feeling: Among Trump's base, 35% say a criminal conviction would make them more likely to support him, as Trump painted the cases against him as an attack on his supporters over the last year.
20% : DeSantis has seemed to acknowledge that Trump's indictments have made Republicans more sympathetic to the former president, though the governor said that just because Trump's been treated unfairly doesn't mean he deserves re-election.
17% : Jim Voss, a 63-year-old from Clinton, said immigration reform is one of the top issues driving him to caucus for Trump this year.

*Our bias meter rating uses data science including sentiment analysis, machine learning and our proprietary algorithm for determining biases in news articles. Bias scores are on a scale of -100% to 100% with higher negative scores being more liberal and higher positive scores being more conservative, and 0% being neutral. The rating is an independent analysis and is not affiliated nor sponsored by the news source or any other organization.