The data contained in this dataset cover the 2016 Presidential Primary and Caucus election season. Results are reported for Democratic and Republican candidates only. Data were sourced from finalized (certified) state election board results wherever possible. All data is reported at the county level unless otherwise noted. Refer to the 2016 Primary Election Data Sources document for a full list of data sources.

Results for Alaska, Colorado (Democratic only), Hawaii, Iowa, Maine, Minnesota, and Washington state are for these states caucuses. The vote totals reported are raw numbers of votes.

Data for North Dakota, Utah, and Wyoming is not included in this dataset, due to the inability to find complete results for these states.


Data Set



Geographic Coverage

Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Vermont, Virginia, Washington, West Virginia, Wisconsin

2016 Primary Election Data Sources.xlsx (21 kB)
2016 Primary Election Data Sources