Los Angeles County had the highest GDP of any county in the United States in 2020 with $659.3 billion, followed by New York with $610.4 billion.
Spurred by the information sector Santa Clara, California, witnessed the country’s fastest GDP growth year-over-year in 2021 at 4.4%.
Meanwhile Queens county in New York had the largest decrease in GDP, down by -11.2% due to the collapse of the transportation and warehousing industry during the pandemic.
Of the 141 large counties with a population of more than 500,000 in 2020 real GDP increased in only 9 and decreased in the other 132.
Among medium counties between 100,000 and 500,000 inhabitants Clayton Georgia saw the largest decrease in GDP, also due to the decrease of the transportation and warehousing industry during the pandemic.