Kaplan is a city located in Louisiana. With a 2020 population of 4,378, it is the 70th largest city in Louisiana and the 5129th largest city in the United States. Kaplan is currently declining at a rate of -1.15% annually and its population has decreased by -4.83% since the most recent census, which recorded a population of 4,600 in 2010. Kaplan reached it's highest population of 5,540 in 1970. Spanning over 2 miles, Kaplan has a population density of 1,880 people per square mile.
The average household income in Kaplan is $51,745 with a poverty rate of 22.77%. The median rental costs in recent years comes to $594 per month, and the median house value is $88,100. The median age in Kaplan is 40.1 years, 40.1 years for males, and 39.9 years for females. For every 100 females there are 97.6 males.