Demographics & Statistics

Quick Facts

City Area 65.87 Sq. Mi.
Population 101,108 (as of Jan. 1, 2021)
Highways I-470, US 50, M-291, M-150
Government Charter
School Districts View the School District Map of Lee's Summit
Regional Lakes Longview Lake, Lake Jacomo and Blue Springs Reservoir
Location Visit the City on Google Maps


Lee's Summit, Missouri, with a current population estimated at 101,108, is located in eastern Jackson County extending south into Cass County and is a suburban community in the Greater Kansas City metropolitan area. The City encompasses a geographic area of 65.87 square miles served by I-470, US 50, M-291 and M-150 highways with convenient access to the metropolitan area commerce, employment, services and recreational opportunities.

Population Growth Trends

Lee's Summit has been one of the fastest-growing communities in Missouri over the past decades. Based on the 1960 Census, the City had a population of 8,267. By 2010, its population reached 91,364.

Census Demographics

The US Census Bureau provides census data through both the decennial census and American Community Survey (ACS). The decennial census data is provided every ten years whereas the American Community Surveys provide estimates for the time brackets of five years, three years and one year between decennial censuses. For quick statistics for different census geography, visit the United States Census Bureau.