Mission is a city located in Todd County, South Dakota. Mission has a 2026 population of 1,126. It is also the county seat of Todd County. Mission is currently declining at a rate of -0.35% annually and its population has decreased by -2.34% since the most recent census, which recorded a population of 1,153 in 2020.
The median age in Mission is 24.9 years: 27 years for males, and 24 years for females. For every 100 females there are 95.3 males.
Data after 2023 is projected based on recent change
Overall: 24.9 years
Female: 24 years
Male: 27 years
There are 964 adults, (98 of whom are seniors) in Mission.
Female: 788 (51.2%)
Male: 751 (48.8%)
The racial composition of Mission includes 74.92% Native American, 11.89% White, and smaller percentages for Asian, other race, Black or African American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| Native American | 1,153 | 74.92% |
| White | 183 | 11.89% |
| Two or more races | 169 | 10.98% |
| Asian | 12 | 0.78% |
| Other race | 12 | 0.78% |
| Black or African American | 5 | 0.32% |
| Native Hawaiian or Pacific Islander | 5 | 0.32% |