The West Coast of the United States refers to five states along the Pacific Ocean: California, Oregon, Washington, Alaska, and Hawaii. This article lists the top 10 largest cities in the West Coast states of the United States.
Top 10 largest cities on the United States West Coast

| Rank | City | State | Population (2025 estimate) (US Census Bureau) |
|---|---|---|---|
| 1 | Los Angeles | California | 3,869,089 |
| 2 | San Diego | California | 1,406,106 |
| 3 | San Jose | California | 989,814 |
| 4 | San Francisco | California | 826,079 |
| 5 | Seattle | Washington | 784,777 |
| 6 | Portland | Oregon | 635,109 |
| 7 | Fresno | California | 555,549 |
| 8 | Sacramento | California | 536,449 |
| 9 | Long Beach | California | 450,469 |
| 10 | Oakland | California | 440,838 |
(Also read: What is the largest city on the coast of Lake Michigan? Top 3 list)
Key points
- Los Angeles is the largest city on the US West Coast. It is also the largest city in California and the second-largest city in the United States.
- San Diego is the largest border city in the United States by population. It is located along the US-Mexico international border.
- San Jose is the largest city in Silicon Valley, a global technology hub.
- Seattle is Washington state’s largest city.
- Portland is Oregon’s largest city.
- Sacramento is California’s capital city.