St. Joseph
- County:
- Tensas Parish
- County Seat:
- Yes
- Area (mi²):
- 0.89
- State:
- Louisiana
St. Joseph is a town located in Tensas Parish, Louisiana. St. Joseph has a 2026 population of 778. It is also the county seat of Tensas Parish. St. Joseph is currently declining at a rate of -0.26% annually and its population has decreased by -5.81% since the most recent census, which recorded a population of 826 in 2020.
The median household income in St. Joseph is $38,393 with a poverty rate of 39.15%. The median age in St. Joseph is 50.7 years: 59.1 years for males, and 50.2 years for females. For every 100 females there are 82.7 males.