South Bend
- County:
- Pacific County
- County Seat:
- Yes
- Area (mi²):
- 1.641
- State:
- Washington
South Bend is a city located in Pacific County, Washington. South Bend has a 2026 population of 1,801. It is also the county seat of Pacific County. South Bend is currently growing at a rate of 0.33% annually and its population has increased by 2.74% since the most recent census, which recorded a population of 1,753 in 2020.