Jamesville Colony is a CDP located in Yankton County, South Dakota. Jamesville Colony has a 2026 population of 81. Jamesville Colony is currently growing at a rate of 6.58% 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 Jamesville Colony is 25.7 years: 9.7 years for males, and 0 years for females. For every 100 females there are 119.6 males.
Data after 2023 is projected based on recent change
Overall: 25.7 years
Female: 0 years
Male: 9.7 years
There are 62 adults, (46 of whom are seniors) in Jamesville Colony.
Female: 46 (45.5%)
Male: 55 (54.5%)
The racial composition of Jamesville Colony includes 100% White, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 101 | 100% |