| Name | Martin County |
| State | Minnesota |
| FIPS Code | 27091 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 20,727 |
| Population Growth Rate(2000-2022) | -3.91% |
| Majority Ethnicity | White 93.41% |
| Public School Majority Ethnicity | White 86% |
| Partisan Voting Index | Republican:+18 |
| Unemployment Rate | 3.9% |
| Race/Ethnicy | Percentage of Population (2018) |
|---|---|
| White | 93.41% |
| African American | 0.6% |
| Hispanic | 5.33% |
| Asian | 0.49% |
| Native American | 0.17% |
| Hawaiin/Pacific Islander | 0.01% |
| Race/Ethnicy | Percentage of Public School Students (2018) |
|---|---|
| White | 85.7% |
| African American | 0.86% |
| Hispanic | 9.23% |
| Asian | 0.83% |
| Native American | 0.4% |
| Hawaiin/Pacific Islander | 0% |