As of 2020, Kansas City, MO, has 505,198 residents living in the city, experiencing a growth rate of 1.33% this past year. The historic Kansas City Boundary is the most densely populated area in this town, and the Northland region has experienced significant growth. The diversity of the population is 60.15% White, 28.99% African American, and 10.86% is made up of a mix of other races. The average age in Kansas City is 35 years, the median household income is $72,418, and the average household size is 2.35 /average family size is 3.06. The city has 58.38% of family households and 20.72% of retirees.