| Name | Grundy County |
| State | Iowa |
| FIPS Code | 19075 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 12,431 |
| Population Growth Rate(2000-2022) | -1% |
| Majority Ethnicity | White 96.81% |
| Public School Majority Ethnicity | White 94% |
| Partisan Voting Index | Republican:+17 |
| Unemployment Rate | 3.4% |
| Race/Ethnicy | Percentage of Population (2018) |
|---|---|
| White | 96.81% |
| African American | 0.85% |
| Hispanic | 1.77% |
| Asian | 0.46% |
| Native American | 0.11% |
| Hawaiin/Pacific Islander | 0% |
| Race/Ethnicy | Percentage of Public School Students (2018) |
|---|---|
| White | 94.3% |
| African American | 0.43% |
| Hispanic | 2.31% |
| Asian | 0.34% |
| Native American | 0.13% |
| Hawaiin/Pacific Islander | 0.17% |