| Name | Codington County |
| State | South Dakota |
| FIPS Code | 46029 |
| County Seat | Watertown |
| Timezone | Central Daylight Time (CDT) |
| Population (2024) | 28,952 |
| Population Growth Rate(2020-2024) | 2.17% |
| Majority Ethnicity | White 93.33% |
| Public School Majority Ethnicity | White 85% |
| Partisan Voting Index | Republican:+20 |
| Unemployment Rate (May 2026) | 2.5% |
| Sales Tax Rate (2025) | 4.2% |
| Area Code(s) | 605 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 93.33% |
| African American | 1.05% |
| Hispanic | 3.06% |
| Asian | 0.6% |
| Native American | 1.97% |
| Hawaiin/Pacific Islander | 0% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 84.58% |
| African American | 0.39% |
| Hispanic | 5.78% |
| Asian | 0.5% |
| Native American | 3.79% |
| Hawaiin/Pacific Islander | 0.02% |