In the U.S there is a county named as Dean County, madison is the capital for the dena county and the city of Wisconsin. If we talk about the population, Madison is the second-largest city of Wisconsin having a population of 259,680 people. Since madison is located on a very important place; surrounded by four lakes ( Lake Mendota, Lake Monona, Lake Kegonsa, and Lake Waubesa, Madison has played an important role politically, geographically and historically as well.Madison is growing a lot in terms of technology, in fact it is home to several important
centres epic systems, American Family insurance, and exact sciences, Promega, American Girl. Sub-Zero, Lands end.

https://en.wikipedia.org/wiki/Madison,_Wisconsin