Platte City is a city located in Platte County Missouri. It is also the county seat of Platte County. With a 2020 population of 5,005, it is the 131st largest city in Missouri and the 4767th largest city in the United States . Platte City is currently growing at a rate of 0.50% annually and its population has increased by 6.69% since the most recent census, which recorded a population of 4,691 in 2010. Spanning over 4 miles, Platte City has a population density of 1,230 people per square mile.
The average household income in Platte City is $68,978 with a poverty rate of 6.53%. The median rental costs in recent years comes to $934 per month, and the median house value is $170,600. The median age in Platte City is 30.8 years, 29.2 years for males, and 31.4 years for females.