A head to head comparison of the Texas 2020 General Election gives us an idea of the break down of the voters.      

President Donald Trump received 5,866,019 (53%) votes beating VP Joseph Biden who gained 5,218,943 (47%) votes by 647,076 votes in Texas.

President Trump won 233 counties out of the 254 counties that make up Texas. The record shows that President Trump won 21 counties.  

2020 TX Primary Election vs Presidential General Elections Counties Won            

Primary Elections

Presidential General Election

 

Primary Election

In the Primary, Trump won 232 counties in a 4 way match up. with Sanders winning 17 counties, Biden winning 4 counties and Bloomberg winning only 1 county in Texas Primary.

2020 TX Presidential Primary vs Presidential General Elections w.r.t % Votes and Total Votes Won        

Presidential Primary Elections

Presidential Election

On a head to head count with the total votes between in VP Biden and President Trump between the Presidential Primary and General Elections, percentage (%) vote shift difference is a 19% increase for VP Biden and a 19% decrease for President Trump. These percentages are represented by a vote increment of 4,493,381 for Biden and 3,967,359 for Trump at the Presidential General Elections.

Presidential Primary Elections

Presidential General Elections

During the 2020 General elections, a lot of total number of votes were cast. Aside the Electoral Votes, Popular Votes came to the fore as well. Further details regarding overall total votes cast, percentage contributed by the various states, and the winner of Popular votes will be updated soon.

Top 15 Counties in Presidential Primary Elections vs Presidential General Elections

All Candidates (Presidential Primary Elections)

All Candidates (Presidential General Elections)

Primary Elections vs General Elections

These 15 counties play an important role in these primary elections. If a candidate, can get a sizable majority in the larger counties (Harris, Dallas and Tarrant), it becomes very difficult to win majorities in the smaller counties with out voter out reach and increased voter participation in them.

Top 15 Counties Comparison in Primary Elections vs General Elections

Presidential Primary Elections
VP Joseph Biden

Presidential Primary Elections
President Donald Trump

Presidential General Elections
VP Joseph Biden

Presidential General Elections
President Donald Trump

Harris, Dallas and Bexar, three of the larger counties in Texas voted in favor of VP Joseph Biden giving him a 740k vote advantage out of those counties. However, other large counties Trump's steady win at many more other counties made him gain an upper hand in the State of Texas.

Related References: 2020 Texas Primary Election Story, 2016 Texas Election Story, 2012 Texas Primary Election Story