Detroit

City location. Second largest location of superhuman population

Very tall buildings in the center of the city.
A large river runs across the city that was man made to separate the large the city into two sections

Many languages are spoken. People from all over the world come to Detroit and of course the 1st largest state of superhumans.

any laws the normal man will impose.
limit on the use of your ability.

detriot produces all kinds of produce on the outskirts of the cities. closer to the border walls. lots of corn and such.

the northern central area of what in the U.S

climate is quite chilly but further south is warmer and filled with many plants

Not much of a founding story. The normals about three centuries ago marked a huge space of land specifically for the super gens. The built walls around the land and slowly moved big populations of superhumans into the areas. Where as now that is where all superhumans live besides the largest population residing in Africa.

None yet. The normals have always achieved keeping the supers in control even in large populated areas.