
Jefferson
- County:
- Marion County
- County Seat:
- Yes
- Area (mi²):
- 4.448
- State:
- Texas
Jefferson is a city located in Marion County, Texas. Jefferson has a 2025 population of 1,831. It is also the county seat of .Jefferson is currently declining at a rate of -0.54% annually and its population has decreased by -2.61% since the most recent census, which recorded a population of 1,880 in 2020.
The average household income in Jefferson is $57,091 with a poverty rate of 23.23%. The median age in Jefferson is 41.7 years: 43.6 years for males, and 41.3 years for females.