Junction City is a city located in Kansas. With a 2020 population of 20,056, it is the 22nd largest city in Kansas and the 1846th largest city in the United States. Junction City is currently declining at a rate of -4.89% annually and its population has decreased by -14.12% since the most recent census, which recorded a population of 23,353 in 2010. Junction City reached it's highest population of 25,758 in 2012. Spanning over 11 miles, Junction City has a population density of 1,806 people per square mile.
The average household income in Junction City is $59,234 with a poverty rate of 12.01%. The median rental costs in recent years comes to $950 per month, and the median house value is $138,700. The median age in Junction City is 27.2 years, 26.4 years for males, and 28.8 years for females. For every 100 females there are 111.2 males.