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Before the [[American Civil War]], the wealthiest counties were primarily located in [[Louisiana]] and [[Mississippi]], because of the high number of [[Slavery in the United States|enslaved people]], who were not included in the population.<ref>{{cite book|url=https://books.google.com/books?id=ZY8aErCU9U8C&pg=PA72|title=Ruling America|first=Steve|last=Frasier|year=2005|publisher=Harvard University Press|isbn=9780674017474}}</ref>
Before the [[American Civil War]], the wealthiest counties were primarily located in [[Louisiana]] and [[Mississippi]], because of the high number of [[Slavery in the United States|enslaved people]], who were not included in the population.<ref>{{cite book|url=https://books.google.com/books?id=ZY8aErCU9U8C&pg=PA72|title=Ruling America|first=Steve|last=Frasier|year=2005|publisher=Harvard University Press|isbn=9780674017474}}</ref>
[[Loudoun County, Virginia]], a suburb of [[Washington, D.C.]], is the highest-income county by median household income. Another Washington, D.C. suburb, [[Arlington County, Virginia]], ranked as the highest-income county by median family income as of 2013.<ref name=richestcounties>{{cite web|url=http://www.bizjournals.com/washington/news/2013/09/24/arlington-loudoun-highest-incomes-in.html|title=District of Columbia region boasts four richest counties in U.S.|publisher=[[American City Business Journals]]}}</ref>
As of 2020, [[Loudoun County, Virginia]], a suburb of [[Washington, D.C.]] in [[Northern Virginia]], is the highest-income county in the region by median household income.<ref name=richestcounties>{{cite web|url=http://www.bizjournals.com/washington/news/2013/09/24/arlington-loudoun-highest-incomes-in.html|title=District of Columbia region boasts four richest counties in U.S.|publisher=[[American City Business Journals]]}}</ref>
==Median household income==
==Median household income==
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
Before the American Civil War , the wealthiest counties were primarily located in Louisiana and Mississippi , because of the high number of enslaved people , who were not included in the population.[1]
As of 2020, Loudoun County, Virginia , a suburb of Washington, D.C. in Northern Virginia , is the highest-income county in the region by median household income.[2]
Median household income
2020 census
The chart below depicts the 100 highest income counties in the United States by median household income according to the 2020 United States census .[3] Virginia has the most counties in the top 100 with 18. It is followed by California with 11; Maryland with 10; New Jersey with nine; New York and Texas with six each; Illinois with five; Colorado , Massachusetts , and Minnesota with four each; Ohio and Pennsylvania with three each; Georgia , Indiana , Utah , and Washington with two each; and Connecticut , Washington, D.C. , Iowa , Kansas , Kentucky , New Hampshire , New Mexico , Tennessee , and Wisconsin with one each.
Rank
County or Equivalent
State
Median Household Income
1
Loudoun County
Virginia
$147,111
2
Falls Church
Virginia
$146,922
3
Santa Clara County
California
$130,890
4
San Mateo County
California
$128,091
5
Fairfax County
Virginia
$127,866
6
Howard County
Maryland
$124,042
7
Arlington County
Virginia
$122,604
8
Marin County
California
$121,671
9
Douglas County
Colorado
$121,393
10
Nassau County
New York
$120,036
11
Los Alamos County
New Mexico
$119,266
12
San Francisco County
California
$119,136
13
Hunterdon County
New Jersey
$117,858
14
Morris County
New Jersey
$117,298
15
Somerset County
New Jersey
$116,510
16
Forsyth County
Georgia
$112,834
17
Calvert County
Maryland
$112,696
18
Nantucket County
Massachusetts
$112,306
19
Stafford County
Virginia
$112,247
20
Montgomery County
Maryland
$111,812
21
Delaware County
Ohio
$111,411
22
Williamson County
Tennessee
$111,196
23
Fairfax
Virginia
$109,708
24
Prince William County
Virginia
$107,707
25
Putnam County
New York
$107,246
26
Summit County
Utah
$106,973
27
Middlesex County
Massachusetts
$106,202
28
Rockwall County
Texas
$105,956
29
Fauquier County
Virginia
$105,665
30
Suffolk County
New York
$105,362
31
Norfolk County
Massachusetts
$105,320
32
Alameda County
California
$104,888
33
Bergen County
New Jersey
$104,623
34
Elbert County
Colorado
$104,231
35
Chester County
Pennsylvania
$104,161
36
Carver County
Minnesota
$104,011
37
Contra Costa County
California
$103,997
38
Oldham County
Kentucky
$103,761
39
Charles County
Maryland
$103,678
40
Monmouth County
New Jersey
$103,523
41
Scott County
Minnesota
$103,261
42
Anne Arundel County
Maryland
$103,225
43
Alexandria
Virginia
$102,227
44
Broomfield County
Colorado
$101,206
45
Poquoson
Virginia
$100,696
46
Frederick County
Maryland
$100,685
47
Collin County
Texas
$100,541
48
Morgan County
Utah
$100,408
49
Fort Bend County
Texas
$100,189
50
Carroll County
Maryland
$99,569
51
Westchester County
New York
$99,489
52
King County
Washington
$99,158
53
Hamilton County
Indiana
$98,880
54
Kendall County
Texas
$98,692
55
New Kent County
Virginia
$97,688
56
Washington County
Minnesota
$97,584
57
Fairfield County
Connecticut
$97,539
58
Goochland County
Virginia
$97,146
59
Kendall County
Illinois
$96,854
60
King George County
Virginia
$96,711
61
Queen Anne's County
Maryland
$96,467
62
Sussex County
New Jersey
$96,222
63
St. Mary's County
Maryland
$95,864
64
DuPage County
Illinois
$94,930
65
Rockland County
New York
$94,840
66
Orange County
California
$94,441
67
Harford County
Maryland
$94,003
68
Rockingham County
New Hampshire
$93,962
69
Powhatan County
Virginia
$93,833
70
Fayette County
Georgia
$93,777
71
Placer County
California
$93,677
72
Montgomery County
Pennsylvania
$93,518
73
York County
Virginia
$93,356
74
Bucks County
Pennsylvania
$93,181
75
Plymouth County
Massachusetts
$92,906
76
Lake County
Illinois
$92,654
77
Napa County
California
$92,219
78
Middlesex County
New Jersey
$91,731
79
James City County
Virginia
$91,675
80
Johnson County
Kansas
$91,650
81
Hanover County
Virginia
$91,444
82
Spotsylvania County
Virginia
$90,913
83
Washington
District of Columbia
$90,842
84
Williamson County
Texas
$90,834
85
Will County
Illinois
$90,800
86
Gilpin County
Colorado
$90,547
87
Denton County
Texas
$90,354
88
Burlington County
New Jersey
$90,329
89
McHenry County
Illinois
$90,014
90
Santa Cruz County
California
$89,986
91
New York County
New York
$89,812
92
Boone County
Indiana
$89,444
93
Warren County
Ohio
$89,410
94
Ventura County
California
$89,295
95
Snohomish County
Washington
$89,273
96
Gloucester County
New Jersey
$89,056
97
Waukesha County
Wisconsin
$88,985
98
Union County
Ohio
$88,565
99
Dakota County
Minnesota
$88,468
100
Dallas County
Iowa
$88,368
Per capita income
2020 Census
Rank
County or Equivalent
State
Per Capita Inc
1
New York County
New York
$83,008
2
Marin County
California
$78,995
3
Arlington County
Virginia
$77,535
4
San Francisco County
California
$77,267
5
Falls Church
Virginia
$76,354
6
San Mateo County
California
$69,919
7
Alexandria
Virginia
$68,640
8
Gilpin County
Colorado
$66,627
9
Teton County
Wyoming
$66,296
10
Santa Clara County
California
$65,052
11
Los Alamos County
New Mexico
$64,521
12
Washington
District of Columbia
$63,793
13
Fairfax County
Virginia
$61,957
14
Morris County
New Jersey
$61,915
15
Westchester County
New York
$61,830
16
Somerset County
New Jersey
$61,805
17
Hunterdon County
New Jersey
$61,328
18
Loudoun County
Virginia
$61,045
19
Summit County
Utah
$60,768
20
Norfolk County
Massachusetts
$60,406
21
King County
Washington
$59,843
22
Montgomery County
Maryland
$59,384
23
Howard County
Maryland
$58,560
24
Middlesex County
Massachusetts
$58,399
25
Monmouth County
New Jersey
$57,836
26
Douglas County
Colorado
$57,481
27
Fairfax
Virginia
$57,091
28
Williamson County
Tennessee
$56,545
29
Nassau County
New York
$55,763
30
Bergen County
New Jersey
$55,710
31
Chester County
Pennsylvania
$55,702
32
Broomfield County
Colorado
$55,176
33
Alameda County
California
$53,815
34
Contra Costa County
California
$53,656
35
Loving County
Texas
$53,358
36
Montgomery County
Pennsylvania
$53,343
37
San Juan County
Washington
$52,881
38
Fulton County
Georgia
$52,842
39
Hamilton County
Indiana
$52,437
40
Boulder County
Colorado
$52,401
41
Delaware County
Ohio
$52,397
42
Nantucket County
Massachusetts
$52,324
43
Newport County
Rhode Island
$52,030
44
Bristol County
Rhode Island
$51,917
45
Johnson County
Kansas
$51,663
46
Rockingham County
New Hampshire
$51,627
47
Dukes County
Massachusetts
$51,354
48
Collier County
Florida
$51,296
49
Talbot County
Maryland
$51,234
50
Anne Arundel County
Maryland
$51,113
51
Ozaukee County
Wisconsin
$51,032
52
Waukesha County
Wisconsin
$50,837
53
Calvert County
Maryland
$50,496
54
Carver County
Minnesota
$50,492
55
Hennepin County
Minnesota
$50,478
56
DuPage County
Illinois
$50,344
57
Bucks County
Pennsylvania
$50,315
58
Elbert County
Colorado
$50,147
59
Barnstable County
Massachusetts
$49,973
60
Albemarle County
Virginia
$49,942
61
Putnam County
New York
$49,808
62
Kalawao County
Hawaii
$49,700
63
Boone County
Indiana
$49,666
64
Napa County
California
$49,641
65
Forsyth County
Georgia
$49,506
66
Fauquier County
Virginia
$49,440
Lake County
Illinois
$49,440
68
Suffolk County
New York
$49,404
69
Travis County
Texas
$49,191
70
Queen Anne's County
Maryland
$49,178
71
Oakland County
Michigan
$49,012
72
Eagle County
Colorado
$49,010
73
Plymouth County
Massachusetts
$48,785
74
Placer County
California
$48,580
75
Collin County
Texas
$48,438
76
Suffolk County
Massachusetts
$47,916
77
Rockwall County
Texas
$47,802
78
Santa Cruz County
California
$47,619
79
North Slope Borough
Alaska
$47,585
80
Sonoma County
California
$47,580
81
Dallas County
Iowa
$47,488
82
Dunn County
North Dakota
$47,472
83
Scott County
Minnesota
$47,334
84
James City County
Virginia
$47,223
85
Burlington County
New Jersey
$47,065
86
Oldham County
Kentucky
$46,833
87
Frederick County
Maryland
$46,615
88
Fayette County
Georgia
$46,522
89
Essex County
Massachusetts
$46,263
90
Orange County
California
$46,099
91
Charleston County
South Carolina
$46,066
92
Washington County
Rhode Island
$45,956
93
Carroll County
Maryland
$45,800
94
Denton County
Texas
$45,782
95
Cumberland County
Maine
$45,704
96
Cape May County
New Jersey
$45,689
97
Orange County
North Carolina
$45,681
98
Stafford County
Virginia
$45,618
99
Juneau Borough
Alaska
$45,607
100
Washtenaw County
Michigan
$45,500
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:
See also
Notes and references
United States locations by per capita income
Nationwide State locations Federal district Territory locations Related lists
General Demographics Economy Geography Name origins See also