| Name | Marion County |
| State | Kansas |
| FIPS Code | 20115 |
| County Seat | Marion |
| Timezone | Central Daylight Time (CDT) |
| Population (2024) | 11,768 |
| Population Growth Rate(2020-2024) | -0.49% |
| Majority Ethnicity | White 93.69% |
| Public School Majority Ethnicity | White 83% |
| Partisan Voting Index | Strongly Republican:+25 |
| Unemployment Rate (May 2026) | 3.6% |
| Sales Tax Rate (2025) | 7.5% |
| Area Code(s) | 620 / 785 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 93.69% |
| African American | 1.16% |
| Hispanic | 4.09% |
| Asian | 0.53% |
| Native American | 0.54% |
| Hawaiin/Pacific Islander | 0% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 83.18% |
| African American | 3.71% |
| Hispanic | 9.41% |
| Asian | 0.45% |
| Native American | 0.86% |
| Hawaiin/Pacific Islander | 0.14% |