You can raise your chickens in Minneapolis. Minneapolis has some great areas to live in. Bit like all cities. Some not so great ones as well. It's all pretty safe though. Per capita the crime is about the same as country living.
I live in Minneapolis. Tips? Keep breezes to a minimum, ventilate. You want as little humidity as possible. Have a heater for your water and keep it out of the coop. If for some reason you do heat your coop. Don't let it go out. They will all freeze and die. They need to adapt to the cold. So no...