Where votes increased most, strong margins for Biden

In precincts where there was at least a 20% increase in total votes, Biden was more likely to win, and by a stronger margin than Trump.

Margin of victory, percentage points   Biden won   Trump won 
⟶
Won by a larger margin

Among 51 Minnesota precincts where those with Native American ethnicity make up at least 25% of the population, and where at least 100 votes were cast in legislative races.
Chart: C.J. Sinner and Jeff Hargarten, Star Tribune Source: Minnesota Secretary of State