Jeffersontown is a city located in Kentucky. With a 2020 population of 27,913, it is the 14th largest city in Kentucky and the 1364th largest city in the United States. Jeffersontown is currently declining at a rate of -0.15% annually but its population has increased by 4.96% since the most recent census, which recorded a population of 26,595 in 2010. Jeffersontown reached it's highest population of 28,304 in 2013. Spanning over 10 miles, Jeffersontown has a population density of 2,699 people per square mile.
The average household income in Jeffersontown is $82,204 with a poverty rate of 4.99%. The median rental costs in recent years comes to $953 per month, and the median house value is $176,000. The median age in Jeffersontown is 40.2 years, 38.8 years for males, and 41.3 years for females. For every 100 females there are 92.8 males.