CDC ranked the top places for heat risk. They might surprise you.

By Thomas Frank | 07/02/2024 06:19 AM EDT

The Heat and Health Index looks at the vulnerability of 32,000 neighborhoods using demographic and health statistics.

The exterior of the Center for Disease Control headquarters is seen in Atlanta.

The Centers for Disease Control and Prevention ranked most U.S. ZIP codes based on their heat vulnerability. Jessica McGowan/Getty Images

The U.S. neighborhood facing the biggest health risks from extreme heat is not in Arizona, Texas or Florida.

It’s in Idaho.

That’s the conclusion of the Biden administration, which recently rated 32,000 communities for their heat vulnerability.


An interactive map created by the Centers for Disease Control and Prevention rates each ZIP code in the mainland U.S. to identify areas “most likely to experience negative health outcomes from heat.”