Madisonville is a city located in St. Tammany Parish Louisiana. With a 2020 population of 866, it is the 182nd largest city in Louisiana and the 10924th largest city in the United States . Madisonville is currently growing at a rate of 1.05% annually and its population has increased by 15.78% since the most recent census, which recorded a population of 748 in 2010. Madisonville reached it's highest population of in . Spanning over 3 miles, Madisonville has a population density of 344 people per square mile.
The average household income in Madisonville is $109,686 with a poverty rate of 9.79%. The median rental costs in recent years comes to $1,042 per month, and the median house value is $308,000. The median age in Madisonville is 39.4 years, 39.5 years for males, and 39.4 years for females.