Gillis is a city located in Louisiana. Gillis has a 2020 population of 403. Gillis is currently declining at a rate of 0.00% annually and its population has decreased by -38.66% since the most recent census, which recorded a population of 657 in 2010. Gillis reached it's highest population of 657 in 2010.
The average household income in Gillis is $53,639 with a poverty rate of 15.88%. The median rental costs in recent years comes to - per month, and the median house value is $93,800. The median age in Gillis is 40.7 years, 40.5 years for males, and 51.4 years for females. For every 100 females there are 79.1 males.