Jefferson is a town located in Grant County, Oklahoma. Jefferson has a 2026 population of 10. Jefferson is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 10 in 2020.
The median age in Jefferson is 72.3 years: 0 years for males, and 73 years for females. For every 100 females there are 75.0 males.
Data after 2023 is projected based on recent change
Overall: 72.3 years
Female: 73 years
Male: 0 years
There are 7 adults, (7 of whom are seniors) in Jefferson.
Female: 4 (57.1%)
Male: 3 (42.9%)
The racial composition of Jefferson includes 100% White, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 7 | 100% |