La Fontaine is a city located in Indiana. With a 2020 population of 831, it is the 335th largest city in Indiana and the 11115th largest city in the United States. La Fontaine is currently declining at a rate of -0.12% annually and its population has decreased by -5.03% since the most recent census, which recorded a population of 875 in 2010. La Fontaine reached it's highest population of 870 in 2010. Spanning over 1 miles, La Fontaine has a population density of 1,360 people per square mile.
The average household income in La Fontaine is $53,654 with a poverty rate of 7.45%. The median rental costs in recent years comes to $558 per month, and the median house value is $78,700. The median age in La Fontaine is 49.1 years, 48.2 years for males, and 51.5 years for females. For every 100 females there are 98.0 males.