Kaplan is a city located in Vermilion Parish Louisiana. With a 2020 population of 4,298, it is the 72nd largest city in Louisiana and the 5211th largest city in the United States . Kaplan is currently declining at a rate of -1.42% annually and its population has decreased by -6.57% since the most recent census, which recorded a population of 4,600 in 2010. Kaplan reached it's highest population of in . Spanning over 2 miles, Kaplan has a population density of 1,846 people per square mile.
The average household income in Kaplan is $51,144 with a poverty rate of 24.06%. The median rental costs in recent years comes to $591 per month, and the median house value is $90,300. The median age in Kaplan is 39.5 years, 40.4 years for males, and 37.7 years for females.