Junction City is a medium-sized city located in the state of Kansas. With a population of 22,264 people and seven associated neighborhoods, Junction City is the 20th largest community in Kansas. Much of the housing stock in Junction City was built relatively recently. The construction of new real estate can often be taken as an indication that the local Junction City economy is robust, and that jobs or other amenities are attracting an influx of new residents. This seems to be the case in Junction City, where the median household income is $60,709.00.

Junction City is a military town: the armed forces employs 8.38% 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 15.45% and 12.29% 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, 22.68% have at least a bachelor's degree.

The per capita income in Junction City in 2022 was $28,075, which is lower middle income relative to Kansas and the nation. This equates to an annual income of $112,300 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 17.35% of the city’s residents. Important ancestries of people in Junction City include German, English, Irish, Swedish, and Italian.

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