The 2020 Arkansas Democratic presidential primary took place on March 3, 2020, as one of 15 contests scheduled on Super Tuesday in the Democratic Party primaries for the 2020 presidential election, following the South Carolina primary the weekend before. The Arkansas primary was an open primary, with the state awarding 36 delegates towards the 2020 Democratic National Convention, of which 31 were pledged delegates allocated on the basis of the results of the primary.
The 2020 Colorado Democratic presidential primary took place on March 3, 2020, as one of 15 contests scheduled on Super Tuesday in the Democratic Party primaries for the 2020 presidential election, following the South Carolina primary the weekend before. The Colorado primary, the first in the state since 2000, was a semi-closed primary and awarded 79 delegates towards the 2020 Democratic National Convention, of which 67 were pledged delegates allocated on the basis of the results of the primary.
The 2020 Massachusetts Democratic presidential primary took place on March 3, as one of 15 contests scheduled on Super Tuesday in the Democratic Party primaries for the 2020 presidential election, following the South Carolina primary the weekend before. The Massachusetts primary was a semi-closed primary, with the state awarding 114 delegates towards the 2020 Democratic National Convention, of which 91 were pledged delegates allocated on the basis of the results of the primary.
The 2020 Minnesota Democratic presidential primary took place on March 3, 2020, as one of 15 contests scheduled on Super Tuesday in the Democratic Party primaries for the 2020 presidential election, following the South Carolina primary the weekend before. The Minnesota primary, only the fifth in the state's history and the first since 1992, was an open primary, with the state awarding 91 delegates towards the 2020 Democratic National Convention, of which 75 were pledged delegates allocated on the basis of the results of the primary. Early voting was possible for just over six weeks beginning January 17, 2020.
The 2020 North Carolina Democratic presidential primary took place on March 3, 2020, as one of 15 contests scheduled on Super Tuesday in the Democratic Party primaries for the 2020 presidential election, following the South Carolina primary the weekend before. The North Carolina primary was a semi-closed primary, with the state awarding 122 delegates towards the 2020 Democratic National Convention, of which 110 were pledged delegates allocated on the basis of the results of the primary.
The 2020 Tennessee Democratic presidential primary took place on March 3, 2020, as one of 15 contests scheduled on Super Tuesday in the Democratic Party primaries for the 2020 presidential election, following the South Carolina primary the weekend before. The Tennessee primary was an open primary, with the state awarding 73 delegates towards the 2020 Democratic National Convention, of which 64 were pledged delegates allocated on the basis of the results of the primary.
The 2020 Utah Democratic presidential primary took place on March 3, 2020, as one of 15 contests scheduled on Super Tuesday in the Democratic Party primaries for the 2020 presidential election, following the South Carolina primary the weekend before. The Utah primary was an open primary, with any registered voter able to participate. The primary awarded 34 delegates towards the 2020 Democratic National Convention, of which 29 were pledged delegates allocated on the basis of the results of the primary.
The 2020 Vermont Democratic presidential primary took place on March 3, 2020, as one of 15 contests scheduled on Super Tuesday in the Democratic Party primaries for the 2020 presidential election, following the South Carolina primary the weekend before. The Vermont primary was an open primary, with the state awarding 24 delegates towards the 2020 Democratic National Convention, of which 16 were pledged delegates allocated on the basis of the results of the primary.
The 2020 Virginia Democratic presidential primary took place on March 3, 2020, as one of 15 contests scheduled on Super Tuesday in the Democratic Party primaries for the 2020 presidential election, following the South Carolina primary the weekend before. The Virginia primary was an open primary, wherein any registered voter can vote, regardless of party registration. The state awarded 124 delegates towards the 2020 Democratic National Convention, of which 99 were pledged delegates allocated at the local level.
The 2020 Democrats Abroad Presidential Primary took place from March 3 to 10, 2020, allowing U.S. citizens residing outside the United States and those officially affiliated with Democrats Abroad to participate in the Democratic Party's 2020 presidential nomination process. Spanning more than 230 voting locations worldwide, participants cast their in-person votes across various countries and continents. Alternative voting methods included e-mail and postal mail. The voting period started on Super Tuesday and concluded the Tuesday of the following week. The 2020 Democrats Abroad Global Primary allocated a total of 21 delegates to the 2020 Democratic National Convention. Among these, 13 were pledged delegates, committed to supporting a specific candidate based on primary results, each holding a full vote. Additionally, 8 automatic delegates, unbound to any candidate and each possessing a half vote, contributed to a cumulative total of 17 votes.
The 2020 Mississippi Democratic presidential primary took place on March 10, 2020, as one of several states voting the week after Super Tuesday in the Democratic Party primaries for the 2020 presidential election. The Mississippi primary was an open primary, with the state awarding 41 delegates towards the 2020 Democratic National Convention, of which 36 were pledged delegates allocated on the basis of the results of the primary.
The 2020 Missouri Democratic presidential primary took place on March 10, 2020, as one of several states voting the week after Super Tuesday in the Democratic Party primaries for the 2020 presidential election. The Missouri primary was an open primary, with the state awarding 79 delegates towards the 2020 Democratic National Convention, of which 68 were pledged delegates allocated on the basis of the results of the primary.
The 2020 Washington Democratic presidential primary took place on March 10, 2020, as one of several states voting the week after Super Tuesday in the Democratic Party primaries for the 2020 presidential election. The state-run semi-open primary, which was used instead of party-run caucuses for the first time by Washington's Democrats, awarded 109 delegates to the 2020 Democratic National Convention, of which 89 were pledged delegates allocated according to the results of the primary.
The 2020 North Dakota Democratic presidential caucuses took place on March 10, 2020, as one of several states voting the week after Super Tuesday in the Democratic Party primaries and caucuses for the 2020 presidential election. While the contest has in effect been a party-run open primary for the first time in North Dakota's history, the state party retained the traditional caucus name, classifying it as a firehouse caucus. The state awarded 18 delegates to the 2020 Democratic National Convention, of which 14 were pledged delegates allocated on the basis of the results of the election.
The 2020 Illinois Democratic presidential primary took place on March 17, 2020, the third primary Tuesday of the month, as one of three states voting on the same day in the Democratic Party primaries for the 2020 presidential election, while the contest in Ohio had been postponed for roughly a month. The Illinois primary was an open primary, with the state awarding 182 delegates to the 2020 Democratic National Convention, of which 155 were pledged delegates allocated on the basis of the results of the primary.
The 2020 Hawaii Democratic presidential primary had been scheduled to take place on April 4, 2020, a Saturday, in the Democratic Party primaries for the 2020 presidential election, but in-person voting was cancelled due to the COVID-19 pandemic and mail-in voting was extended to May 22, 2020. Instead, voters had until May 22 to submit mail-in ballots. The Hawaii primary was a closed party-run primary, awarding 33 delegates to the 2020 Democratic National Convention, of which 24 were pledged delegates allocated on the basis of the results of the primary. Voters cast ranked-choice voting ballots, with a voter's ballot counting for two ranked backup choices if their original choice was in last place and below the 15 percent threshold for winning delegates.
The 2020 Rhode Island Democratic presidential primary took place on June 2, 2020, after being postponed due to concerns about the coronavirus pandemic, as one of eight delayed and regular primaries on the same day in the Democratic Party primaries for the 2020 presidential election. It was originally planned to take place on April 28, 2020, as one of several northeastern states in the "Acela primary". The Rhode Island primary was a semi-closed primary, with the state awarding 35 delegates, of whom 26 were pledged delegates allocated on the basis of the primary results.
The 2020 Kansas Democratic presidential primary took place until May 2, 2020, in the Democratic Party primaries for the 2020 presidential election, as in-person voting had been cancelled because of the COVID-19 pandemic. The Kansas primary was a closed party-run primary, undertaken completely by mail-in voting, it was the sole contest held on that date. The state awarded 45 delegates to the 2020 Democratic National Convention, of which 39 were pledged delegates allocated on the basis of the results of the primary. Voters cast ranked choice voting ballots, with a voter's ballot counting for four ranked backup choices if their original choice was in last place and below the 15 percent threshold for winning delegates.
The 2020 Maine Democratic presidential primary took place on March 3, 2020, as one of 15 contests scheduled on Super Tuesday in the Democratic Party primaries for the 2020 presidential election, following the South Carolina primary the weekend before. The Maine primary, the first in the state since 2000, was a closed primary, meaning that only registered Democrats could vote in this primary, but unenrolled voters were permitted to enroll in a party at the polls with same day registration. The state awarded 32 delegates towards the 2020 Democratic National Convention, 24 of which were pledged delegates allocated based on the results of the primary. The primary election coincided with a people's veto referendum to reject changes to Maine's vaccination laws.
The 2020 Wyoming Democratic presidential caucuses had been scheduled to take place on April 4, 2020 in the Democratic Party primaries and caucuses for the 2020 presidential election, but in-person voting was cancelled due to the COVID-19 pandemic and mail-in voting was extended to April 17, 2020. The Wyoming caucuses were a closed caucus, with the state awarding 18 delegates to the 2020 Democratic National Convention, of which 14 were pledged delegates allocated on the basis of the results of the caucus. Voters cast ranked-choice voting ballots, with a voter's ballot counting for four ranked backup choices if their original choice was in last place and below the 15 percent threshold for winning delegates.
