Olla is a city located in Louisiana. With a 2020 population of 1,319, it is the 148th largest city in Louisiana and the 9202nd largest city in the United States. Olla is currently declining at a rate of -1.27% annually and its population has decreased by -4.77% since the most recent census, which recorded a population of 1,385 in 2010. Olla reached it's highest population of 1,391 in 2011. Spanning over 4 miles, Olla has a population density of 335 people per square mile.
The average household income in Olla is $58,719 with a poverty rate of 24.32%. The median rental costs in recent years comes to $663 per month, and the median house value is $65,100. The median age in Olla is 34 years, 34 years for males, and 33.8 years for females. For every 100 females there are 105.2 males.