| Name | Grundy County |
| State | Missouri |
| FIPS Code | 29079 |
| County Seat | Trenton |
| Timezone | Central Daylight Time (CDT) |
| Population (2024) | 9,807 |
| Population Growth Rate(2020-2024) | -0.01% |
| Majority Ethnicity | White 95.72% |
| Public School Majority Ethnicity | White 94% |
| Partisan Voting Index | Strongly Republican:+33 |
| Unemployment Rate (May 2026) | 4.4% |
| Sales Tax Rate (2025) | 5.73% |
| Area Code(s) | 660 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 95.72% |
| African American | 0.52% |
| Hispanic | 2.71% |
| Asian | 0.93% |
| Native American | 0.11% |
| Hawaiin/Pacific Islander | 0.01% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 93.56% |
| African American | 0.43% |
| Hispanic | 2.43% |
| Asian | 0.36% |
| Native American | 0.21% |
| Hawaiin/Pacific Islander | 0.57% |