Mokena is a city located in Will County Illinois. With a 2020 population of 20,133, it is the 120th largest city in Illinois and the 1841st largest city in the United States . Mokena is currently declining at a rate of -0.06% annually but its population has increased by 7.43% since the most recent census, which recorded a population of 18,740 in 2010. Mokena reached it's highest population of 20,172 in 2018. Spanning over 9 miles, Mokena has a population density of 2,287 people per square mile.
The average household income in Mokena is $133,952 with a poverty rate of 2.83%. The median rental costs in recent years comes to $1,085 per month, and the median house value is $319,200. The median age in Mokena is 40.4 years, 37.9 years for males, and 41.6 years for females.