U.S. Counties with the Largest GDPs

Can you name the 20 counties or county-equivalents in the United States with the largest gross domestic product (GDP)?

Data from the Bureau of Economic Analysis, 2022

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Last updated: October 7, 2024

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State	County/County-equivalent	GDP (millions of US$)
California	Los Angeles	790,016
New York	New York	780,966
Illinois	Cook	417,565
Texas	Harris	402,792
California	Santa Clara	382,787
Washington	King	367,176
Texas	Dallas	299,733
Arizona	Maricopa	290,240
California	Orange	270,441
California	San Diego	257,341
California	City and County of San Francisco	233,953
Georgia	Fulton	195,682
Massachusetts	Middlesex	190,978
Florida	Miami-Dade	184,513
California	San Mateo	165,414
Massachusetts	Suffolk	151,982
Texas	Travis	150,753
Minnesota	Hennepin	150,146
California	Alameda	148,710
–	District of Columbia	144,030