St. Joseph is a city located in Louisiana. With a 2020 population of 915, it is the 173rd largest city in Louisiana and the 10681st largest city in the United States . St. Joseph is currently declining at a rate of -3.07% annually and its population has decreased by -22.19% since the most recent census, which recorded a population of 1,176 in 2010. St. Joseph reached it's highest population of 1,171 in 2010. Spanning over 1 miles, St. Joseph has a population density of 1,028 people per square mile.
The average household income in St. Joseph is $24,310 with a poverty rate of 37.72%. The median rental costs in recent years comes to $564 per month, and the median house value is $37,800. The median age in St. Joseph is 39.6 years, 27.3 years for males, and 49.4 years for females.