Cook county, Illinois, had the largest recent decline in overdose deaths among the largest US counties

Percentage change in overdose deaths from August 2023 to December 2024 across the 15 largest US counties

Cook county, Illinois

-37%

Queens county, New York

-36%

Kings county, New York

-35%

San Diego county, California

-31%

Orange county, California

-27%

Riverside county, California

-27%

Los Angeles county, California

-24%

King county, Washington

-21%

San Bernardino county, California

-18%

Harris county, Texas

-16%

Miami-Dade county, Florida

-16%

Dallas county, Texas

-13%

Tarrant county, Texas

-10%

Maricopa county, Arizona

-8%

Clark county, Nevada

+15%

Cook county, Illinois

-37%

Queens county, New York

-36%

Kings county, New York

-35%

San Diego county, California

-31%

Orange county, California

-27%

Riverside county, California

-27%

Los Angeles county, California

-24%

King county, Washington

-21%

San Bernardino county, California

-18%

Harris county, Texas

-16%

Miami-Dade county, Florida

-16%

Dallas county, Texas

-13%

Tarrant county, Texas

-10%

Maricopa county, Arizona

-8%

Clark county, Nevada

+15%

Cook county, Illinois

-37%

Queens county, New York

-36%

Kings county, New York

-35%

San Diego county, California

-31%

Orange county, California

-27%

Riverside county, California

-27%

Los Angeles county, California

-24%

King county, Washington

-21%

San Bernardino county, California

-18%

Harris county, Texas

-16%

Miami-Dade county, Florida

-16%

Dallas county, Texas

-13%

Tarrant county, Texas

-10%

Maricopa county, Arizona

-8%

Clark county, Nevada

+15%

-37%

Cook county, Illinois

-36%

Queens county, New York

-35%

Kings county, New York

-31%

San Diego county, California

-27%

Orange county, California

-27%

Riverside county, California

-24%

Los Angeles county, California

-21%

King county, Washington

-18%

San Bernardino county, California

-16%

Harris county, Texas

-16%

Miami-Dade county, Florida

-13%

Dallas county, Texas

-10%

Tarrant county, Texas

-8%

Maricopa county, Arizona

Clark county, Nevada

+15%

-37%

Cook county, Illinois

-36%

Queens county, New York

-35%

Kings county, New York

-31%

San Diego county, California

-27%

Orange county, California

-27%

Riverside county, California

-24%

Los Angeles county, California

-21%

King county, Washington

-18%

San Bernardino county, California

-16%

Harris county, Texas

-16%

Miami-Dade county, Florida

-13%

Dallas county, Texas

-10%

Tarrant county, Texas

-8%

Maricopa county, Arizona

Clark county, Nevada

+15%