DeQuincy is a city located in Louisiana. With a 2020 population of 3,022, it is the 95th largest city in Louisiana and the 6221st largest city in the United States. DeQuincy is currently declining at a rate of -0.89% annually and its population has decreased by -6.58% since the most recent census, which recorded a population of 3,235 in 2010. DeQuincy reached it's highest population of 3,966 in 1980. Spanning over 3 miles, DeQuincy has a population density of 946 people per square mile.
The average household income in DeQuincy is $61,114 with a poverty rate of 12.17%. The median rental costs in recent years comes to $546 per month, and the median house value is $85,800. The median age in DeQuincy is 38.5 years, 37.4 years for males, and 38.9 years for females. For every 100 females there are 72.5 males.