Ephrata
- County:
- Grant County
- County Seat:
- Yes
- Area (mi²):
- 10.48
- State:
- Washington
Ephrata is a city located in Grant County, Washington. Ephrata has a 2026 population of 8,718. It is also the county seat of Grant County. Ephrata is currently growing at a rate of 1.01% annually and its population has increased by 2.66% since the most recent census, which recorded a population of 8,492 in 2020.