# Convert the CRS of our maps to conform to the good CRS. 4326 is the most used version. 3857 is meters.
Precincts20 = Precincts20.to_crs('epsg:3857')
# Calculate the relative area of each precinct
Precinct20Areas = pd.DataFrame(Precincts20.area, columns=['Area'])
Precincts20 = Precincts20.join(Precinct20Areas)