| Name | Butler County |
| State | Iowa |
| FIPS Code | 19023 |
| County Seat | Allison |
| Timezone | Central Daylight Time (CDT) |
| Population (2024) | 14,225 |
| Population Growth Rate(2020-2024) | -0.78% |
| Majority Ethnicity | White 96.88% |
| Public School Majority Ethnicity | White 94% |
| Partisan Voting Index | Strongly Republican:+22 |
| Unemployment Rate (May 2026) | 4.4% |
| Sales Tax Rate (2025) | 7% |
| Area Code(s) | 319 / 641 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 96.88% |
| African American | 0.17% |
| Hispanic | 1.64% |
| Asian | 1.19% |
| Native American | 0.11% |
| Hawaiin/Pacific Islander | 0% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 94.13% |
| African American | 0.71% |
| Hispanic | 2.34% |
| Asian | 0.4% |
| Native American | 0.09% |
| Hawaiin/Pacific Islander | 0% |