NPR

How the Iowa caucuses work, why they're first — and why they're significant

Why does Iowa dominate the political conversation every four years around this time, and how do the caucuses even work? Let's explore why they matter in 2024.

There's a lot at stake in the Iowa caucuses, which take place Jan. 15.

They mark the official start to the presidential nominating process. They will also test former President Donald Trump's apparent continued strength among Republicans — and whether anyone else can give him a run for his money.

But why does Iowa dominate the political conversation every four years around this time, and how do the caucuses even work? Let's explore.

Why is Iowa important?

A dollar out of every $2.50 that has been spent on TV ads so far in the entire 2024 Republican nominating contest has gone toward 30- and 60-second spots in places like Des Moines, Cedar Rapids and Sioux City, the latter of which is a very conservative part of.

You’re reading a preview, subscribe to read more.

More from NPR

NPR2 min read
At Least 4 People Are Dead After Tornadoes Slam Oklahoma, Iowa And Nebraska
Multiple tornadoes over several days leveled buildings and left a trail of damage in parts of the South and Midwest.
NPR6 min read
8 Tracks: Beyond The Grave, Johnny Cash Still Shows Us How To Make Music
A new Johnny Cash song got NPR Music producer Lars Gotrich thinking about music released after a beloved artist dies. Check out "Well Alright," plus new music by Arooj Aftab and Tems on 8 Tracks.
NPR5 min read
What Consumers Should Know As Philips Agrees To $1.1 Billion CPAP Settlement
Under a related deal, users who return devices by Aug. 9 can get an extra $100. As part of the recall, the company is offering repairs, replacements or refunds of the machines' cost.

Related Books & Audiobooks