Casselberry is a city located in Florida. With a 2020 population of 28,637, it is the 93rd largest city in Florida and the 1349th largest city in the United States. Casselberry is currently declining at a rate of -0.21% annually but its population has increased by 9.13% since the most recent census, which recorded a population of 26,241 in 2010. Casselberry reached it's highest population of 28,817 in 2018. Spanning over 7 miles, Casselberry has a population density of 4,130 people per square mile.
The average household income in Casselberry is $57,927 with a poverty rate of 18.86%. The median rental costs in recent years comes to $1,160 per month, and the median house value is $159,300. The median age in Casselberry is 37.2 years, 35.5 years for males, and 39.5 years for females. For every 100 females there are 91.3 males.