Mcdonalds Corporate Office | Headquarters. Company Overview. McDonald's Corporation began in the year 1940 and had been opened by brothers - Maurice and Richard Donald. They opened it as a barbecue restaurant and later on, in 1948, they reshuffled it into hamburger production line. Today, it is the largest series of hamburger fast food restaurants in the world.
The 2016 Madison, Connecticut, population is 18,223. There are 504 people per square mile (population density).
Our 2016 estimate for Connecticut's population is 3,587,010. This figure is based on the 2015 official estimates released by the US Census, and the current rate of decline.