Results: The Most Detailed Maps of the Iowa Republican Caucuses
Map is colored by the candidate who leads in each precinct. Lightly shaded areas are more sparsely populated.
Former president Donald J. Trump won the Iowa caucuses on Monday, with The Associated Press calling the race for Mr. Trump less than an hour after caucusing began. The state Republican party is now starting to report precinct-level results. This is the most detailed vote data available for the first 2024 presidential election contest.
The map above shows the leading candidate in each precinct. It is shaded according to the number of votes per square mile for that candidate, meaning sparsely populated areas where fewer caucusgoers live are lighter, and denser areas are darker.
How the top three candidates are doing in each precinct
Here’s another way to look at the results. In the maps below, precincts are shaded according to each candidate’s vote share for the three top candidates — Mr. Trump, Nikki Haley, the former South Carolina governor, and Gov. Ron DeSantis of Florida.
How Republicans are voting in different kinds of areas
This table shows the leading candidate in precincts that have reported votes, based on the demographics of those areas.
| Precinct demographics | Leader margin | Average percent |
|---|---|---|
|
Lower income areas |
— | — |
|
Higher income areas |
— | — |
|
Areas with fewer college graduates |
— | — |
|
Areas with more college graduates |
— | — |
|
Rural areas |
— | — |
|
Suburban areas |
— | — |
|
Urban areas |
— | — |
Trump’s support
Each dot in the charts below represents one neighborhood’s caucus precinct. The dots are positioned on the charts based on the percentage of the vote each candidate received in that precinct.
Precinct demographics
Lower income areas
Areas with fewer college graduates
Areas with more college graduates
Haley’s support
Precinct demographics
Lower income areas
Areas with fewer college graduates
Areas with more college graduates
DeSantis’s support
Precinct demographics
Lower income areas
Areas with fewer college graduates
Areas with more college graduates
Methodology
Higher income areas are precincts where the median household income is $100,000 or more; lower income areas are where the median household income is less than $50,000. Areas with more college graduates are precincts where more than 40 percent of the population has a college education; areas with fewer college graduates are precincts where less than 15 percent of the population graduated college. The classification of areas as urban, rural or suburban is derived from research by Jed Kolko.
Chris Christie dropped out of the presidential race last week, but the Iowa Republican Party will still tabulate any votes he receives in the caucuses.
Election results are from The Associated Press. The Times publishes its own estimates for the number of remaining votes, based on historic turnout data and reporting from results providers. These are only estimates, and they may not be informed by reports from election officials.
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