DeQuincy is a city located in Calcasieu Parish Louisiana. With a 2020 population of 3,012, it is the 96th largest city in Louisiana and the 6249th largest city in the United States . DeQuincy is currently declining at a rate of -1.21% annually and its population has decreased by -6.89% since the most recent census, which recorded a population of 3,235 in 2010. DeQuincy reached it's highest population of in . Spanning over 3 miles, DeQuincy has a population density of 943 people per square mile.
The average household income in DeQuincy is $73,745 with a poverty rate of 10.47%. The median rental costs in recent years comes to $597 per month, and the median house value is $121,700. The median age in DeQuincy is 35.3 years, 25.1 years for males, and 37.8 years for females.