Walt Hickey, writing for FiveThirtyEight:
I’m from New York, and I generally consider anything west of Philadelphia the Midwest. This admittedly unsophisticated designation is frequently criticized by self-avowed Midwesterners. My boss, originally of Michigan, has many opinions about what, precisely, falls into the Midwest. So I decided to find out which states Midwesterners consider to be in their territory.
Hard-hitting journalism from 538.