There are 3,144 counties and county-equivalents in the United States. The source of the data is the U.S. Census Bureau and the data is current as of the indicated year. Independent cities are considered county-equivalent by the Census Bureau.
Summary As of 2020, Loudoun County, Virginia, a suburb of Washington, D.C. in Virginia has a median household income of $147,111, the highest of any county in the nation.
Median household income 2020 Census estimates The chart below depicts the 100 highest income counties in the United States by median household income according to the US Census Bureau's American Community Survey data for 2016-2020, in constant 2020 dollars. Virginia has the most counties in the top 100 with 18 followed by California with 11; Maryland with 10; New Jersey with nine; Texas with seven, New York and Illinois with six each; Colorado and Massachusetts with four each; Georgia, Minnesota, and Pennsylvania with three each; Indiana, Ohio, Utah, and Washington with two each; and Alaska, Connecticut, Washington, D.C., Kansas, Kentucky, New Hampshire, New Mexico and Tennessee with one each.
Rank County orEquivalent State MedianHouseholdIncome 1Loudoun County Virginia $147,111 2Falls Church Virginia $146,922 3Santa Clara County California $130,890 4San Mateo County California $128,091 5Fairfax County Virginia $127,866 6Howard County Maryland $124,042 7Arlington County Virginia $122,604 8Marin County California $121,671 9Douglas County Colorado $121,393 10Nassau County New York $120,036 11Los Alamos County New Mexico $119,266 12San Francisco County California $119,136 13Hunterdon County New Jersey $117,858 14Morris County New Jersey $117,298 15Somerset County New Jersey $116,510 16Forsyth County Georgia $112,834 17Calvert County Maryland $112,696 18Nantucket County Massachusetts $112,306 19Stafford County Virginia $112,247 20Montgomery County Maryland $111,812 21Delaware County Ohio $111,411 22Williamson County Tennessee $111,196 23Fairfax Virginia $109,708 24Prince William County Virginia $107,707 25Putnam County New York $107,246 26Summit County Utah $106,973 27Middlesex County Massachusetts $106,202 28Rockwall County Texas $105,956 29Fauquier County Virginia $105,665 30Suffolk County New York $105,362 31Norfolk County Massachusetts $105,320 32Alameda County California $104,888 33Bergen County New Jersey $104,623 34Elbert County Colorado $104,231 35Chester County Pennsylvania $104,161 36Carver County Minnesota $104,011 37Contra Costa County California $103,997 38Oldham County Kentucky $103,761 39Charles County Maryland $103,678 40Monmouth County New Jersey $103,523 41Scott County Minnesota $103,261 42Anne Arundel County Maryland $103,225 43Alexandria Virginia $102,227 44Broomfield County Colorado $101,206 45Poquoson Virginia $100,696 46Frederick County Maryland $100,685 47Collin County Texas $100,541 48Morgan County Utah $100,408 49Fort Bend County Texas $100,189 50Carroll County Maryland $99,569 51Westchester County New York $99,489 52King County Washington $99,158 53Hamilton County Indiana $98,880 54Kendall County Texas $98,692 55New Kent County Virginia $97,688 56Washington County Minnesota $97,584 57Fairfield County Connecticut $97,539 58Goochland County Virginia $97,146 59Kendall County Illinois $96,854 60King George County Virginia $96,711 61Queen Anne's County Maryland $96,467 62Sussex County New Jersey $96,222 63Chambers County Texas $95,989 64St. Mary's County Maryland $95,864 65Oconee County Georgia $95,064 66DuPage County Illinois $94,930 67Rockland County New York $94,840 68Orange County California $94,441 69Harford County Maryland $94,003 70Rockingham County New Hampshire $93,962 71Powhatan County Virginia $93,833 72Fayette County Georgia $93,777 73Placer County California $93,677 74Montgomery County Pennsylvania $93,518 75York County Virginia $93,356 76Bucks County Pennsylvania $93,181 77Plymouth County Massachusetts $92,906 78Lake County Illinois $92,654 79Napa County California $92,219 80Middlesex County New Jersey $91,731 81James City County Virginia $91,675 82Johnson County Kansas $91,650 83Hanover County Virginia $91,444 84Spotsylvania County Virginia $90,913 85Chugach Census Area Alaska $90,776 86Washington District of Columbia $90,842 87Williamson County Texas $90,834 88Will County Illinois $90,800 89Gilpin County Colorado $90,547 90Denton County Texas $90,354 91Burlington County New Jersey $90,329 92McHenry County Illinois $90,014 93Santa Cruz County California $89,986 94New York County New York $89,812 95Monroe County Illinois $89,648 96Boone County Indiana $89,444 97Warren County Ohio $89,410 98Ventura County California $89,295 99Snohomish County Washington $89,273 100Gloucester County New Jersey $89,056
Per capita income 2021 census estimates The following table of the 100 highest income counties in the United States by per capita income is from the American Community Survey data for 2017-2021, in constant 2021 dollars. Rank County orEquivalent State PerCapitaInc 1New York County New York $83,008 2Marin County California $78,995 3Arlington County Virginia $77,535 4San Francisco County California $77,267 5Pitkin County Colorado $76,883 6Falls Church Virginia $76,354 7San Mateo County California $69,919 8Alexandria Virginia $68,640 9Gilpin County Colorado $66,627 10Teton County Wyoming $66,296 11Santa Clara County California $65,052 12Los Alamos County New Mexico $64,521 13Washington District of Columbia $63,793 14Harding County New Mexico $62,435 15Fairfax County Virginia $61,957 16Morris County New Jersey $61,915 17Westchester County New York $61,830 18Somerset County New Jersey $61,805 19Fairfield County Connecticut $61,651 20Hunterdon County New Jersey $61,328 21Loudoun County Virginia $61,045 22Summit County Utah $60,768 23Norfolk County Massachusetts $60,406 24King County Washington $59,843 25Montgomery County Maryland $59,384 26Howard County Maryland $58,560 27Middlesex County Massachusetts $58,399 28Monmouth County New Jersey $57,836 29Douglas County Colorado $57,481 30Fairfax Virginia $57,091 31Goochland County Virginia $57,064 32Williamson County Tennessee $56,545 33Nassau County New York $55,763 34Bergen County New Jersey $55,710 35Chester County Pennsylvania $55,702 36Broomfield County Colorado $55,176 37Alameda County California $53,815 38Sublette County Wyoming $53,693 39Contra Costa County California $53,656 40Loving County Texas $53,358 41Montgomery County Pennsylvania $53,343 42Kendall County Texas $53,156 43San Juan County Washington $52,881 44Fulton County Georgia $52,842 45Hamilton County Indiana $52,437 46Boulder County Colorado $52,401 47Delaware County Ohio $52,397 48Clear Creek County Colorado $52,364 49Nantucket County Massachusetts $52,324 50Newport County Rhode Island $52,030 51Bristol County Rhode Island $51,917 52San Miguel County Colorado $51,725 53Johnson County Kansas $51,663 54Rockingham County New Hampshire $51,627 55Dukes County Massachusetts $51,354 56Collier County Florida $51,296 57Talbot County Maryland $51,234 58Anne Arundel County Maryland $51,113 59Ozaukee County Wisconsin $51,032 60Waukesha County Wisconsin $50,837 61Denver County Colorado $50,642 62Routt County Colorado $50,571 63Calvert County Maryland $50,496 64Carver County Minnesota $50,492 65Hennepin County Minnesota $50,478 66DuPage County Illinois $50,344 67Bucks County Pennsylvania $50,315 68Washington County Minnesota $50,207 69Elbert County Colorado $50,147 70Monroe County Florida $50,050 71Barnstable County Massachusetts $49,973 72Albemarle County Virginia $49,942 73Putnam County New York $49,808 74Kalawao County Hawaii $49,700 75Boone County Indiana $49,666 76Napa County California $49,641 77Forsyth County Georgia $49,506 78Fauquier County Virginia $49,440 Lake County Illinois $49,440 80Oconee County Georgia $49,429 81Suffolk County New York $49,404 82Jefferson County Colorado $49,213 83Travis County Texas $49,191 84Queen Anne's County Maryland $49,178 85Oakland County Michigan $49,012 86Eagle County Colorado $49,010 87El Dorado County California $48,953 88Plymouth County Massachusetts $48,785 89Sussex County New Jersey $48,744 90Rappahannock County Virginia $48,672 91Middlesex County Connecticut $48,670 92Placer County California $48,580 93Summit County Colorado $48,488 94Collin County Texas $48,438 95Sarasota County Florida $48,265 96Chatham County North Carolina $48,143 97Suffolk County Massachusetts $47,916 98Saratoga County New York $47,902 99Litchfield County Connecticut $47,811 100Rockwall County Texas $47,802
Highest-income counties and places by state For more detailed lists of rankings of counties and places in the individual states, see the following pages:
Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming
See also List of lowest-income counties in the United States List of United States counties by per capita income
Notes and references