A head to head comparison of the Wyoming 2020 Primary gives us an idea of the break down of the voters.
Joe Biden got 72% (11k) of the vote to beat Bernie Sanders (4k votes) by 28%. There was no Presidential Primary for the Republican Party in the State of Wyoming, thus there are no results for President Trump at the Primary level.
In the Primary, Biden won 23 counties in the 3-way match up, with Sanders and Trump winning nothing in Wyoming Primary. There was no Presidential Primary Elections for the Republican Party.
Bernie Sanders vs Joe Biden
In a head to head match up on just the total number of votes, Biden (72%) beats Sanders (28%).
These 10 counties play an important role in these primary elections. If a candidate can get a sizable majority in the larger counties (Laramie, Albany and Teton), they can come out on top. It is difficult to win by majorities in the smaller counties, since they do not provide as much weight when compared with counties with a greater number of votes.
Joe Biden won the most votes in the state of Wyoming. Bernie Sanders won the fewest votes in Wyoming. Joe Biden won all counties, hence allowing him to win the primaries in Wyoming. There was no Presidential Primary for the Republican Party in the State of Wyoming, thus there are no results for President Trump at the Primary level
Related References: 2016 Wyoming General Election Story, 2016 Wyoming Primary Election Story