According to CNN, reports from the National Center for Health Statistics of the US Centers for Disease Control and Prevention reveal that although fentanyl is still the deadliest drug in America, some parts of the US see more deaths than meth.
The report states that in 2017, fentanyl was associated with 38.9% of all drug overdose deaths, an increase over 2016 when associated with 29% of all fatal overdoses.
However, methamphetamine is the drug most associated with overdose in the western half of the country.
According to the CDC, the number of people dying from an overdose involving psychostimulants (such as meth and cocaine) increased over 1
Methamphetamine is a drug most commonly involved in overdose deaths in Louisiana, Arkansas, New Mexico, Oklahoma, Texas, Colorado, Montana, North Dakota, South Dakota, Utah, Wyoming, Arizona, California, Hawaii and Nevada and Alaska, Idaho, Idaho, Idaho Washington.  Usually fentanyl, together with white powder heroin, is more common east of the Mississippi River, and Mexican black tar and brown powder heroin are more commonly found west of the Mississippi.