| Name | Montgomery County |
| State | Missouri |
| FIPS Code | 29139 |
| County Seat | Montgomery City |
| Timezone | Central Daylight Time (CDT) |
| Population (2024) | 11,430 |
| Population Growth Rate(2020-2024) | 1% |
| Majority Ethnicity | White 95.11% |
| Public School Majority Ethnicity | White 92% |
| Partisan Voting Index | Strongly Republican:+30 |
| Unemployment Rate (May 2026) | 3.7% |
| Sales Tax Rate (2025) | 6.48% |
| Area Code(s) | 235 / 573 / 636 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 95.11% |
| African American | 1.91% |
| Hispanic | 2.25% |
| Asian | 0.18% |
| Native American | 0.55% |
| Hawaiin/Pacific Islander | 0% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 91.7% |
| African American | 0.89% |
| Hispanic | 3.09% |
| Asian | 0.14% |
| Native American | 0.34% |
| Hawaiin/Pacific Islander | 0% |