Inland Empire

American  

noun

1. a region in the U.S. Pacific Northwest, east of the Cascade Range, in eastern Washington, northeastern Oregon, northern Idaho, and northwestern Montana.

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Example Sentences

He said those pressures are compounded by climate and coastal conditions that push pollution inland, especially into the Inland Empire, where unhealthy ozone days are even more severe.

From Los Angeles Times • Apr. 22, 2026

There’s a 20% to 42% chance of rain falling in Orange County, the Inland Empire and coastal San Diego County on Tuesday night into Wednesday morning.

From Los Angeles Times • Apr. 21, 2026

Harry Potter: A Hogwarts Express Adventure will open at the Southern California Railway Museum this summer for guests to experience the Wizarding World rite of passage aboard a real moving train in the Inland Empire.

From Los Angeles Times • Apr. 15, 2026

For King Fio that means two or three round-trips a day from Long Beach to warehouses in the nearby Inland Empire or a single round-trip to Las Vegas.

From The Wall Street Journal • Mar. 20, 2026

They call this part of California the Inland Empire, and it’s always smoggy, because whatever nastiness is in the air gets blown here and caught against the mountains.

From "Dry" by Neal Shusterman and Jarrod Shusterman