Harrisonville is a somewhat small city located in the state of Missouri. With a population of 9,854 people and three associated neighborhoods, Harrisonville is the 81st largest community in Missouri.

The education level of Harrisonville citizens, measured as those with bachelor's degrees or advanced degrees, is similar to the national average for all American cities and towns. 18.14% of adults 25 and older in Harrisonville have a college degree.

The per capita income in Harrisonville in 2022 was $31,332, which is upper middle income relative to Missouri, and middle income relative to the rest of the US. This equates to an annual income of $125,328 for a family of four. However, Harrisonville contains both very wealthy and poor people as well.

The people who call Harrisonville home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Harrisonville residents report their race to be White, followed by Native American. Important ancestries of people in Harrisonville include German, Irish, English, Italian, and Scots-Irish.

The most common language spoken in Harrisonville is English. Other important languages spoken here include Polish and Italian.