Marshall
- County:
- Harrison County
- County Seat:
- Yes
- Area (mi²):
- 29.757
- State:
- Texas
Marshall is a city located in Harrison County, Texas. Marshall has a 2026 population of 24,263. It is also the county seat of Harrison County. Marshall is currently growing at a rate of 0.15% annually and its population has increased by 3.93% since the most recent census, which recorded a population of 23,346 in 2020.