Adjusted Gross Income: Top 50 U.S. Counties
Federal Tax Returns Filed in 2006

 
 County Name State Average Adjusted
Gross Income
 Rank* 
 
 Fairfield County  Connecticut  $112,908  1  
 Goochland County  Virginia  $108,513  2  
 Falls Church City  Virginia  $107,602  3  
 Marin County  California  $106,693  4  
 Teton County  Wyoming  $104,840  5  
 Hunterdon County  New Jersey  $104,054  6  
 Morris County  New Jersey  $103,558  7  
 Somerset County  New Jersey  $103,380  8  
 Williamson County  Tennessee  $101,890  9  
 Pitkin County  Colorado  $100,709  10  
 Westchester County  New York  $99,742  11  
 Ozaukee County  Wisconsin  $96,274  12  
 Loudoun County  Virginia  $96,009  13  
 New York County  New York  $95,760  14  
 San Mateo County  California  $95,507  15  
 Douglas County  Colorado  $95,428  16  
 Fairfax County  Virginia  $94,600  17  
 Lake County  Illinois  $94,271  18  
 Summit County  Utah  $93,410  19  
 Hamilton County  Indiana  $93,313  20  
 Collier County  Florida  $92,785  21  
 Los Alamos County  New Mexico  $92,464  22  
 Howard County  Maryland  $92,208  23  
 Chester County  Pennsylvania  $91,802  24  
 Santa Clara County  California  $89,424  25  
 Carver County  Minnesota  $88,867  26  
 Bergen County  New Jersey  $88,341  27  
 Montgomery County  Maryland  $88,318  28  
 Monmouth County  New Jersey  $87,991  29  
 Norfolk County  Massachusetts  $87,834  30  
 Blaine County  Idaho  $87,804  31  
 Delaware County  Ohio  $86,212  32  
 Forsyth County  Georgia  $85,558  33  
 Nassau County  New York  $84,573  34  
 Oldham County  Kentucky  $84,540  35  
 San Juan County  Washington  $83,588  36  
 Montgomery County  Pennsylvania  $83,019  37  
 St. Johns County  Florida  $82,696  38  
 Boone County  Indiana  $82,654  39  
 Fauquier County  Virginia  $81,746  40  
 Waukesha County  Wisconsin  $81,706  41  
 Collin County  Texas  $81,422  42  
 Martin County  Florida  $81,205  43  
 Contra Costa County  California  $81,156  44  
 DuPage County  Illinois  $81,143  45  
 Johnson County  Kansas  $81,045  46  
 Middlesex County  Massachusetts  $79,900  47  
 Arlington County  Virginia  $79,806  48  
 Scott County  Minnesota  $79,776  49  
 Putnam County  New York  $79,320  50  
 

Top 50 county rankings out of 3,140 counties in the United States.


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