Prairie City
- County:
- Grant County
- County Seat:
- No
- Area (mi²):
- 0.992
- State:
- Oregon
Prairie City is a city located in Grant County, Oregon. Prairie City has a 2026 population of 817. Prairie City is currently declining at a rate of -1.68% annually and its population has decreased by -2.27% since the most recent census, which recorded a population of 836 in 2020.