Madison, WI has a population of 246,034 and is the 82nd largest city in the United States. The population density is 3,195 per sq mi which is 3554% higher than the Wisconsin average and 3426% higher than the national average. The median age in Madison is 31 which is approximately 21% lower than the Wisconsin average of 39. In Madison, 42% of the population over 15 years of age are married, 84% speak English and 5% speak Spanish. 54% of Madison residents were born in Wisconsin, 34% were born out of state, 1% were born outside of the United States and 11% were foreign born.