A head to head comparison of the Rhode Island 2020 Primary gives us an idea of the break down of the voters.
Joe Biden got 70% (80k) of the vote to beat Donald Trump (19k votes) by 17% and Bernie Sanders (16k votes) by 13%.
Joe Biden wins 19 out of the 39 counties in the state of Rhode Island. Donald Trump won more counties than Joe Biden, but did not get as many votes as he did. Bernie Sanders did not win any counties.
These 10 counties play an important role in these primary elections. The top county (Providence) contains nearly 2 times as many voters as the 2nd top county (Warwick). Winning Bernalillo would give a candidate a huge advantage over their competitors.
Bernie Sanders vs Joe Biden
Joe Biden vs Donald Trump
Donald Trump vs Joe Biden
In a head to head match up on just the total number of votes, Joe Biden (84%) beats Bernie Sanders (16%). Joe Biden (80%) beats Donald Trump (20%). Donald Trump (55%) beats Bernie Sanders (45%).
Joe Biden won an advantage in Providence over Donald Trump and obtain enough votes in the other counties to beat him in the 2020 Primary election in the state of Rhode Island. Joe Biden achieved a majority vote in other populous counties, securing him the victory over his opponents.
Related References: 2016 Rhode Island General Election Story, 2016 Rhode Island Primary Election Story