Sundown is a CDP located in Marion County, Missouri. Sundown has a 2026 population of 234. Sundown is currently growing at a rate of 6.85% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.
The median age in Sundown is 42.2 years: 60.2 years for males, and 19.3 years for females. For every 100 females there are 57.5 males.
Data after 2023 is projected based on recent change
Overall: 42.2 years
Female: 19.3 years
Male: 60.2 years
There are 139 adults, (8 of whom are seniors) in Sundown.
Female: 113 (63.5%)
Male: 65 (36.5%)
The racial composition of Sundown includes 97.75% White, and smaller percentages for Two or more races and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 174 | 97.75% |
| Two or more races | 4 | 2.25% |