Mandeville is a city located in Louisiana. With a 2020 population of 12,344, it is the 27th largest city in Louisiana and the 2660th largest city in the United States. Mandeville is currently growing at a rate of 0.23% annually and its population has increased by 6.78% since the most recent census, which recorded a population of 11,560 in 2010. Spanning over 7 miles, Mandeville has a population density of 1,733 people per square mile.
The average household income in Mandeville is $115,166 with a poverty rate of 8.16%. The median rental costs in recent years comes to $1,044 per month, and the median house value is $279,000. The median age in Mandeville is 43.8 years, 41.4 years for males, and 45.2 years for females. For every 100 females there are 99.0 males.