| Name | Lewis County |
| State | Washington |
| FIPS Code | 53041 |
| County Seat | Chehalis |
| Timezone | Pacific Standard Time (PST) |
| Population (2022) | 75,399 |
| Population Growth Rate(2000-2022) | 8.87% |
| Majority Ethnicity | White 96.5% |
| Public School Majority Ethnicity | White 69% |
| Partisan Voting Index | Republican:+15 |
| Unemployment Rate (November 2024) | 4.7% |
| Area Code(s) | 360 / 564 |
| Race/Ethnicity | Percentage of Population (2022) |
|---|---|
| White | 96.5% |
| African American | 0.71% |
| Hispanic | 1.04% |
| Asian | 1.28% |
| Native American | 0.23% |
| Hawaiin/Pacific Islander | 0.23% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 69.03% |
| African American | 0.82% |
| Hispanic | 23.21% |
| Asian | 0.87% |
| Native American | 0.77% |
| Hawaiin/Pacific Islander | 0.15% |