Jefferson
- County:
- Grant County
- County Seat:
- No
- Area (mi²):
- 0.273
- State:
- Oklahoma
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.