Junction City is a medium-sized city located in the state of Kansas. With a population of 21,856 people and seven associated neighborhoods, Junction City is the 20th largest community in Kansas. There's nothing like the smell of a brand new house, and in Junction City, you'll find that a large proportion of houses were recently built. New growth in residential real estate is an indication that people are choosing to move to Junction City, and putting down their money on brand new construction. Junction City’s real estate is, on average, some of the newest in the nation. Junction City does seem to be experiencing an influx of affluent people, because the median household income is $60,317.00.

Junction City is a military town: the armed forces employs 9.80% of the workforce, making the military a major focus of life in the city. In the civilian sector, Retail and Healthcare are important in the local economy and are the city’s largest civilian employers, employing 15.14% and 13.46% of the civilian workforce respectively.

The population of Junction City overall has a level of education that is slightly above the US average for all US cities and towns of 21.84%. Of adults 25 and older in Junction City, 23.23% have at least a bachelor's degree.

The per capita income in Junction City in 2022 was $29,221, which is lower middle income relative to Kansas and the nation. This equates to an annual income of $116,884 for a family of four. However, Junction City contains both very wealthy and poor people as well.

Junction City is an extremely ethnically-diverse city. The people who call Junction City home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Junction City residents report their race to be White, followed by Black or African-American. Junction City also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 16.35% of the city’s residents. Important ancestries of people in Junction City include German, English, Irish, Swedish, and French.

The most common language spoken in Junction City is English. Other important languages spoken here include Spanish and German/Yiddish.