Harrisonville is a city located in Cass County, Missouri. Harrisonville has a 2025 population of 9,941 . It is also the county seat of Cass County . Harrisonville is currently declining at a rate of -0.39% annually and its population has decreased by -1.89% since the most recent census, which recorded a population of 10,133 in 2020.
The average household income in Harrisonville is $78,851 with a poverty rate of 7.6%. The median age in Harrisonville is 37.8 years: 33.2 years for males, and 44.5 years for females. For every 100 females there are 106.1 males.
Data after 2023 is projected based on recent change
The racial composition of Harrisonville includes 93.91% White, and smaller percentages for Native American, other race, Black or African American, Native Hawaiian or Pacific Islander, Asian and multiracial populations.
White (93.91%)
Two or more races (3.94%)
Native American (0.67%)
Other race (0.67%)
Black or African American (0.54%)
Native Hawaiian or Pacific Islander (0.14%)
Asian (0.13%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 9,393 | 93.91% |
| Two or more races | 394 | 3.94% |
| Native American | 67 | 0.67% |
| Other race | 67 | 0.67% |
| Black or African American | 54 | 0.54% |
| Native Hawaiian or Pacific Islander | 14 | 0.14% |
| Asian | 13 | 0.13% |
Married
Widowed
Divorced
Separated
Never Married
Harrisonville's average per capita income is $44,798. Household income levels show a median of $60,727. The poverty rate stands at 7.6%.
Name | Median | Mean |
|---|---|---|
| Married Families | $106,800 | - |
| Families | $83,896 | $93,355 |
| Households | $60,727 | $78,851 |
| Non Families | $35,040 | $44,969 |
Average Income
Median Household Income
Poverty Rate