Marshall County's estimated 2026 population is 9,794 with a growth rate of -0.59% in the past year according to the most recent United States census data. Marshall County is the 40th largest county in Kansas. The 2010 population was 10,112 and has seen a growth of -3.14% since that time.
Data after 2023 is projected based on recent change
Overall: 43.2 years
Female: 44.3 years
Male: 42.3 years
There are 7,573 adults, (2,306 of whom are seniors) in Marshall County.
Female: 4,867 (48.7%)
Male: 5,126 (51.3%)
The racial composition of Marshall County includes 94.63% White, and smaller percentages for Black or African American, other race, Asian, Native American and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 9,456 | 94.63% |
| Two or more races | 354 | 3.54% |
| Black or African American | 71 | 0.71% |
| Other race | 48 | 0.48% |
| Asian | 33 | 0.33% |
| Native American | 31 | 0.31% |
Marshall County's average per capita income is $44,026. Household income levels show a median of $68,419. The poverty rate stands at 11.34%.
Name | Median | Mean |
|---|---|---|
| Married Families | $90,317 | - |
| Families | $80,958 | $99,176 |
| Households | $68,419 | $82,364 |
| Non Families | $37,277 | $45,934 |
Average Income
Median Household Income
Poverty Rate