Participation in Tennessee's delegate selection process is open to all voters who wish to participate as Democrats. Voters are not required to declare a party preference; however, they must request a Democratic primary ballot to vote in the presidential preference primary.

Tuesday 3 March 2020: Tennessee Primary. Hours 7:00a-8:00p EST / 8:00a-7:00p CST (1400-0100 UTC). The polls close at the same GMT/UTC time, that is, polls close at a particular local time in the advanced time zone and close one hour earlier local time in the lagging time zone. Poll opening times are set by county. In some counties, polls open at 9a in the prevailing time zone. Delegate Pledging: Proportional Primary. Voter Eligibility: Open Primary.

Primary
Source: Tennessee Secretary of State.
Status: Official. Retrieved: Wednesday 8 April 2020.
Included in Nationwide vote.

64 of 73 delegates to the Democratic National Convention are pledged to presidential contenders based on the results of the voting in today's Tennessee Presidential Primary. A mandatory 15 percent threshold is required in order for a presidential contender to be allocated National Convention delegates at either the congressional district or statewide level. How the Democratic Proportional Delegate Allocation Math works.

• 42 district delegates are to be pledged proportionally to presidential contenders based on the primary results in each of the State's congressional districts.
• In addition, 22 delegates are to be pledged to presidential contenders based on the primary vote statewide.
  • 14 at-large National Convention delegates
  • 8 Pledged PLEOs

Primary
Source: Tennessee Democratic Party.
Status: Official. Retrieved: Saturday 4 July 2020.

Michael Bloomberg has formerly withdrawn. If a candidate formally withdraws before the statewide delegates are elected, any delegates they may have been allocated are assigned to other candidates who met the 15% threshold.

Saturday 7 March 2020: County Conventions meet to elect delegates to the District Conventions. Hours begin at 1:00p EST / 12:00p CST (1800 UTC). The number of delegates allotted to each presidential candidate is determined by each candidate's performance in the primary.

Due to the COVID-19 virus, the Tennessee Democratic Party will replace the in-person Congressional District Conventions with remote Congressional District Conventions using a teleconferencing system.

Saturday 21 March 2020: District Conventions meet to elect National Convention district level delegates according to the results of the primary.

Saturday 18 April 2020: State Executive Committee.

National Convention Pledged PLEO and At-Large delegates are elected according to the results of the primary.

The remaining 9 National Convention delegates consist of

• 9 Unpledged PLEO delegates:
• 6 Democratic National Committee members.
• 2 Members of Congress (0 Senators and 2 Representatives).
• 0 Governors.
• 1 Distinguished Party Leader (former Vice President Albert "Al" Gore, Jr.).

These 9 delegates and will go to the Democratic National Convention officially "Unpledged".