| Name | Washington County |
| State | Iowa |
| FIPS Code | 19183 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 21,765 |
| Population Growth Rate(2000-2022) | 3.97% |
| Majority Ethnicity | White 92.61% |
| Public School Majority Ethnicity | White 85% |
| Partisan Voting Index | Republican:+8 |
| Unemployment Rate | 3.2% |
| Race/Ethnicy | Percentage of Population (2018) |
|---|---|
| White | 92.61% |
| African American | 0.87% |
| Hispanic | 5.81% |
| Asian | 0.45% |
| Native American | 0.26% |
| Hawaiin/Pacific Islander | 0% |
| Race/Ethnicy | Percentage of Public School Students (2018) |
|---|---|
| White | 84.5% |
| African American | 1.3% |
| Hispanic | 10.63% |
| Asian | 0.29% |
| Native American | 0.19% |
| Hawaiin/Pacific Islander | 0.05% |