State-by-state breakdown shows most politically split areas in the country – and where campaigners could therefore target.

The U.S. population is spread out among 3.8 million square miles across 50 states, yet nearly one-third of Americans live in just three states: California, Texas and New York. New York City alone has ...

The U.S. is in peak flu season, as the Centers for Disease Control (CDC) says "seasonal influenza activity remains elevated and continues to increase across the country." Case counts vary by state, ...

The Supreme Court’s endorsement of how Texas Republicans redrew the state’s congressional map is offering hope to California Democrats as they prepare to defend their map in court this month – and ...

A push to reshape congressional voting districts, instigated by President Donald Trump, is sweeping across states as ...