As the event was a closed caucus, only Iowans registered as Democrats could vote. However, Iowans who did not register as Democrats before the caucus day could still register as such on caucus night itself at their … See more

Up until February 4 at 4:00 pm local time, the Iowa Democratic Party (IDP) had not reported any final results due to what a party spokesperson described as "quality checks". According … See more

According to entrance polls by CNN, the close result was due to splits among key demographic groups: gender, educational attainment and age. Buttigieg won women with 24%, while … See more

• 2020 Iowa Republican presidential caucuses See more

Neither the final statewide total of "initial alignment votes" nor "final alignment votes" were used to determine the statewide number of "state delegate equivalents" (SDEs) won. Instead, a number of SDEs can be won in each of the 1,678 precinct … See more

During the initial release of the results, it was noted that some of the data being reported were inconsistent, flawed, or entirely impossible. According to The New York Times, more than 100 precincts reported incorrect results. Most common errors included … See more

• The Green Papers delegate allocation summary
• Iowa Democratic Party draft delegate selection plan Archived January 11, 2020, at the Wayback Machine See more