
Johnson City
- County:
- Grant County
- County Seat:
- No
- Area (mi²):
- 2.142
- State:
- Kansas
Johnson City is a city located in Grant County, Kansas. Johnson City has a 2025 population of 1,248. Johnson City is currently declining at a rate of -3.33% annually and its population has decreased by -14.64% since the most recent census, which recorded a population of 1,462 in 2020.
The average household income in Johnson City is $92,333 with a poverty rate of 0.82%. The median age in Johnson City is 34.6 years: 28.3 years for males, and 39.3 years for females.