New census data reveals the states that lost the most residents to Texas between 2022 and 2023. California topped the list.

See a county-by-county breakdown of election results in California from the November 2024 and 2020 presidential elections.

To fight Mexico, the United States had to mobilize, equip, and transport a large force, including both army and navy ...

Polk believed that obtaining the sparsely populated Mexican land that stretched from Texas to California was critical to the ...

In 1848, a rugged survey set California’s northern border—crooked and hard to find, yet still standing today, a testament to sheer grit and old-school guesswork.

Various tents at Moviemiento Juventud 2000 provide shelter for roughly 150 asylum seekers in Tijuana on July 26, 2023. Photo by Adriana Heldiz, CalMatters Good morning, Inequality Insights readers.

Trump soundly defeated Harris in 12 of 14 Texas counties touching the border. Concerns over immigration only partly explain it.