Top 10 largest cities on the United States west coast

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

US west coast largest cities
US West Coast states in color
RankCityStatePopulation (2025 estimate) (US Census Bureau)
1Los AngelesCalifornia3,869,089
2San DiegoCalifornia1,406,106
3San JoseCalifornia989,814
4San FranciscoCalifornia826,079
5SeattleWashington784,777
6PortlandOregon635,109
7FresnoCalifornia555,549
8SacramentoCalifornia536,449
9Long BeachCalifornia450,469
10OaklandCalifornia440,838

(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.
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