Statistics for U.S. Counties with the Highest Per-Capita Income

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State	County/County-equivalent	Per-capita income	Population	% Correct
New York	County of {New York}	$62,498	1,605,272	85%
Virginia	City of {Alexandria}	$54,608	143,684	80%
Virginia	{Arlington} County	$62,018	214,861	75%
California	City and County of {San Francisco}	$48,486	817,501	70%
Virginia	{Fairfax} County	$50,532	1,101,071	70%
New York	{Westchester} County	$47,984	956,283	65%
Maryland	{Montgomery} County	$49,038	989,474	60%
California	{Marin} County	$56,791	254,643	55%
Virginia	City of {Falls Church}	$59,088	12,731	50%
Maryland	{Howard} County	$48,172	293,821	50%
Connecticut	{Fairfield} County	$48,721	926,233	45%
Virginia	{Loudoun} County	$46,565	326,477	45%
New Jersey	{Hunterdon} County	$50,349	127,047	40%
New Mexico	{Los Alamos} County	$51,044	17,979	40%
New Jersey	{Somerset} County	$47,803	326,207	40%
New Jersey	{Morris} County	$48,814	495,261	35%
Colorado	{Pitkin} County	$51,814	17,173	35%
Massachusetts	Town and County of {Nantucket}	$47,331	10,224	35%
Texas	{Borden} County	$50,042	649	25%
Alaska	{North Slope} Borough	$46,457	9,484	25%