
Junction City
- County:
- Geary County
- County Seat:
- Yes
- Area (mi²):
- 11.545
- State:
- Kansas
Junction City is a city located in Geary County, Kansas. Junction City has a 2025 population of 21,128. It is also the county seat of .Junction City is currently declining at a rate of -1.69% annually and its population has decreased by -7.93% since the most recent census, which recorded a population of 22,947 in 2020.
The average household income in Junction City is $70,945 with a poverty rate of 17.89%. The median age in Junction City is 28.4 years: 27.6 years for males, and 29.7 years for females.