The census counts prisoners in the districts where they’re in incarcerated — not where they’re from. Researchers at Villanova figured out that if people in prison were counted where they lived, Philadelphia actually could have at least one more state representative. Philadelphia Inquirer reporter Jonathan Lai explains why gerrymandering-pa-2021-redistricting-census-20190725.html">“prison gerrymandering” has led to shifts in political power in Pennsylvania.