| Name | Grant County |
| State | Washington |
| FIPS Code | 53025 |
| County Seat | Ephrata |
| Timezone | Pacific Daylight Time (PDT) |
| Population (2024) | 103,088 |
| Population Growth Rate(2020-2024) | 3.84% |
| Majority Ethnicity | White 55.63% |
| Public School Majority Ethnicity | Hispanic 64% |
| Partisan Voting Index | Republican:+18 |
| Unemployment Rate (May 2026) | 8.1% |
| Sales Tax Rate (2025) | 8.2% |
| Area Code(s) | 509 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 55.63% |
| African American | 1.15% |
| Hispanic | 40.87% |
| Asian | 1% |
| Native American | 1.33% |
| Hawaiin/Pacific Islander | 0.02% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 32.28% |
| African American | 0.71% |
| Hispanic | 63.82% |
| Asian | 0.59% |
| Native American | 0.27% |
| Hawaiin/Pacific Islander | 0.1% |