| Name | Butler County |
| State | Kansas |
| FIPS Code | 20015 |
| County Seat | El Dorado |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 65,647 |
| Population Growth Rate(2000-2022) | 2.28% |
| Majority Ethnicity | White 94.76% |
| Public School Majority Ethnicity | White 79% |
| Partisan Voting Index | Republican:+20 |
| Unemployment Rate (December 2024) | 3.6% |
| Area Code(s) | 316 / 620 |
| Race/Ethnicity | Percentage of Population (2022) |
|---|---|
| White | 94.76% |
| African American | 2.74% |
| Hispanic | 0.79% |
| Asian | 1.46% |
| Native American | 0.13% |
| Hawaiin/Pacific Islander | 0.13% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 78.95% |
| African American | 2.59% |
| Hispanic | 9.78% |
| Asian | 2.69% |
| Native American | 0.66% |
| Hawaiin/Pacific Islander | 0.2% |