Where"s your county seat? A modern mathematical method for calculating centers of geography

People have long been intrigued by figuring out the center of the places where we live.You’re probably familiar with the concept of center of population. Imagine placing an equal weight at the residential location of each individual; the center of population would be the single point on a map that balances all those weighted spots. The U.S. Census Bureau, for example, produces a map each decade