| Name | Obrien County |
| State | Iowa |
| FIPS Code | 19141 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 14,302 |
| Population Growth Rate(2000-2022) | -1.5% |
| Majority Ethnicity | White 93.06% |
| Public School Majority Ethnicity | White 82% |
| Partisan Voting Index | Strongly Republican:+28 |
| Unemployment Rate | 2.3% |
| Race/Ethnicy | Percentage of Population (2018) |
|---|---|
| White | 93.06% |
| African American | 1.05% |
| Hispanic | 4.63% |
| Asian | 0.9% |
| Native American | 0.33% |
| Hawaiin/Pacific Islander | 0.03% |
| Race/Ethnicy | Percentage of Public School Students (2018) |
|---|---|
| White | 81.86% |
| African American | 1.89% |
| Hispanic | 12.99% |
| Asian | 1.06% |
| Native American | 0.62% |
| Hawaiin/Pacific Islander | 0.09% |