| Name | Plymouth County |
| State | Iowa |
| FIPS Code | 19149 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 24,911 |
| Population Growth Rate(2000-2022) | 2.85% |
| Majority Ethnicity | White 91.17% |
| Public School Majority Ethnicity | White 86% |
| Partisan Voting Index | Strongly Republican:+24 |
| Unemployment Rate | 2.0% |
| Race/Ethnicy | Percentage of Population (2018) |
|---|---|
| White | 91.17% |
| African American | 1.76% |
| Hispanic | 5.75% |
| Asian | 0.51% |
| Native American | 0.44% |
| Hawaiin/Pacific Islander | 0.37% |
| Race/Ethnicy | Percentage of Public School Students (2018) |
|---|---|
| White | 85.65% |
| African American | 0.99% |
| Hispanic | 9.29% |
| Asian | 0.43% |
| Native American | 0.48% |
| Hawaiin/Pacific Islander | 0.39% |