There are 3,141 counties 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.

Median household income

10 highest-income counties by median household income (2007)

Number of counties by state in following lists: Virginia 6, Maryland 5, New Jersey 3, New York 2, California 2, Colorado 1, Georgia 1.

10 of the 20 counties are part of the Washington Metropolitan Area and 5 counties are part of the New York Metropolitan Area. By Census region, 12 counties are located in the South, 5 in the Northeast, and 3 in the West. 16 out of the 20 counties are part of the densely populated Northeast Megalopolis.

Counties with populations of 250,000 or more

Rank	County	Median Household Income
1	Loudoun County, Virginia	$107,207
2	Fairfax County, Virginia	$105,241
3	Howard County, Maryland	$101,672
4	Somerset County, New Jersey	$97,658
5	Morris County, New Jersey	$94,684
6	Douglas County, Colorado	$92,824
7	Montgomery County, Maryland	$91,835
8	Nassau County, New York	$89,782
9	Prince William County, Virginia	$87,243
10	Santa Clara County, California	$84,360

Counties with populations 65,000-250,000

Rank	County	Median Household Income
1	Hunterdon County, New Jersey	$100,327
2	Calvert County, Maryland	$95,134
3	Arlington County, Virginia	$94,876
4	Stafford County, Virginia	$87,629
5	Fauquier County, Virginia	$84,888
6	Forsyth County, Georgia	$84,872
7	Putnam County, New York	$84,624
8	Marin County, California	$83,870
9	Charles County, Maryland	$83,412
10	Carroll County, Maryland	$82,492

20 highest-income counties by median household income (2006)

Source: US Census Bureau, 2006 American Community Survey, via Forbes

Number of counties by state in the top 20: Virginia 5 plus 1 independent city, California 3, Maryland 3, New Jersey 3, New York 2, Colorado 1, Georgia 1, Tennessee 1. Forty-two states do not have any counties in the top 20.

Rank	County	Median Household Income
1	Fairfax County, Virginia	$100,318
2	Loudoun County, Virginia	$99,371
3	Howard County, Maryland	$94,260
4	Hunterdon County, New Jersey	$93,297
5	Douglas County, Colorado	$92,125
6	Somerset County, New Jersey	$91,688
7	Morris County, New Jersey	$89,587
8	Montgomery County, Maryland	$87,624
9	Arlington County, Virginia	$87,350
10	Nassau County, New York	$85,994
11	Marin County, California	$85,892
12	Stafford County, Virginia	$85,014
13	Calvert County, Maryland	$84,891
14	Santa Clara County, California	$84,838
15	Forsyth County, Georgia	$83,682
16	San Mateo County, California	$82,123
17	Putnam County, New York	$81,907
18	Williamson County, Tennessee	$81,449
19	Prince William County, Virginia	$80,783
20	City of Alexandria, Virginia	$80,449

100 highest-income counties by median household income (2000)

Source: US Census Bureau: 2000 Census

Number of counties by state in the top 100: Virginia 10 plus 5 independent cities, Maryland 9, California 8, New Jersey 8, Colorado 6, Georgia 6, Illinois 6, Minnesota 5, New York 5, Texas 5, Alaska 3, Connecticut 3, Ohio 3, Pennsylvania 3, Wisconsin 3, Massachusetts 2, Michigan 2, Indiana 1, Kansas 1, Kentucky 1, Missouri 1, New Hampshire 1, New Mexico 1, Tennessee 1, Utah 1. Twenty-five states do not have any counties in the top 100.

United States of America: $41,994

Rank	County	Median Household Income
1	Douglas County, Colorado	$82,929
2	Fairfax County, Virginia	$81,050
3	Loudoun County, Virginia	$80,648
4	Hunterdon County, New Jersey	$79,888
5	Los Alamos County, New Mexico	$78,993
6	Morris County, New Jersey	$77,340
7	Somerset County, New Jersey	$76,933
8	City of Falls Church, Virginia	$74,924
9	Santa Clara County, California	$74,335
10	Howard County, Maryland	$74,167
11	Putnam County, New York	$72,279
12	Nassau County, New York	$72,030
13	Montgomery County, Maryland	$71,551
14	Marin County, California	$71,306
15	Fayette County, Georgia	$71,227
16	Hamilton County, Indiana	$71,026
17	Collin County, Texas	$70,835
18	San Mateo County, California	$70,819
19	Johnson County, Kansas	$69,817
20	Williamson County, Tennessee	$69,104
21	Forsyth County, Georgia	$68,890
22	Rockland County, New York	$67,971
23	DuPage County, Illinois	$67,887
24	City of Fairfax, Virginia	$67,642
25	Livingston County, Michigan	$67,400
26	Delaware County, Ohio	$67,258
27	Lake County, Illinois	$66,973
28	Stafford County, Virginia	$66,809
29	Scott County, Minnesota	$66,612
30	Washington County, Minnesota	$66,305
31	Prince William County, Virginia	$65,960
32	Calvert County, Maryland	$65,945
33	Carver County, Minnesota	$65,540
34	Chester County, Pennsylvania	$65,295
35	Suffolk County, New York	$65,288
36	Sussex County, New Jersey	$65,266
37	Fairfield County, Connecticut	$65,249
38	Bergen County, New Jersey	$65,241
39	Rockwall County, Texas	$65,164
40	Summit County, Utah	$64,962
41	McHenry County, Illinois	$64,826
42	Kendall County, Illinois	$64,625
43	Monmouth County, New Jersey	$64,231
44	City and County of Broomfield, Colorado	$63,903
45	Fort Bend County, Texas	$63,831
46	Contra Costa County, California	$63,675
47	Westchester County, New York	$63,582
48	Norfolk County, Massachusetts	$63,432
49	Oldham County, Kentucky	$63,229
50	North Slope Borough, Alaska	$63,173
51	Arlington County, Virginia	$63,001
52	Waukesha County, Wisconsin	$62,839
53	Ozaukee County, Wisconsin	$62,745
54	Eagle County, Colorado	$62,682
55	Elbert County, Colorado	$62,480
56	Will County, Illinois	$62,238
57	Charles County, Maryland	$62,199
58	City and Borough of Juneau, Alaska	$62,034
59	Fauquier County, Virginia	$61,999
60	Oakland County, Michigan	$61,907
61	Dakota County, Minnesota	$61,863
62	Anne Arundel County, Maryland	$61,768
63	Middlesex County, New Jersey	$61,446
64	Aleutians West Census Area, Alaska	$61,406
65	City of Poquoson, Virginia	$60,920
66	Cherokee County, Georgia	$60,896
67	Montgomery County, Pennsylvania	$60,829
68	Middlesex County, Massachusetts	$60,821
69	City of Manassas Park, Virginia	$60,794
70	Williamson County, Texas	$60,642
71	Gwinnett County, Georgia	$60,537
72	City of Manassas, Virginia	$60,409
73	Frederick County, Maryland	$60,276
74	Geauga County, Ohio	$60,200
75	Carroll County, Maryland	$60,021
76	Bucks County, Pennsylvania	$59,727
77	Ventura County, California	$59,666
78	Pitkin County, Colorado	$59,375
79	Kane County, Illinois	$59,351
80	Hanover County, Virginia	$59,223
81	Middlesex County, Connecticut	$59,175
82	Tolland County, Connecticut	$59,044
83	Orange County, California	$58,820
84	Burlington County, New Jersey	$58,608
85	Chesterfield County, Virginia	$58,537
86	Cobb County, Georgia	$58,289
87	Denton County, Texas	$58,216
88	Rockingham County, New Hampshire	$58,150
89	York County, Virginia	$57,956
90	Warren County, Ohio	$57,952
91	Anoka County, Minnesota	$57,754
92	Placer County, California	$57,535
93	Spotsylvania County, Virginia	$57,525
94	San Benito County, California	$57,469
95	Jefferson County, Colorado	$57,339
96	Henry County, Georgia	$57,309
97	St. Charles County, Missouri	$57,258
98	Harford County, Maryland	$57,234
99	Queen Anne's County, Maryland	$57,037
100	Washington County, Wisconsin	$57,033

Per capita income

20 highest-income counties by average per capita income (2009)

Number of counties by state in the top 20: New Jersey 4; California 3; New York 2; Virginia 1 county, 1 independent city, and 1 statistical unit comprised of a county and two independent cities; Colorado, Connecticut, Florida, Idaho, Maryland, Texas, South Dakota, and Wyoming 1 each.

Of the 20 counties, 7 are part of the New York Metropolitan Area, 4 are part of the Washington Metropolitan Area, and 3 are part of the San Francisco Bay Area. By Census region, 7 counties are located in the Northeast, 6 in the South, and 6 in the West.

Rank	County	Average Per Capita Income
1	Teton County, Wyoming	$132,728
2	New York County, New York	$120,790
3	Loving County, Texas	$99,593
4	Pitkin County, Colorado	$93,465
5	Marin County, California	$91,483
6	Fairfield County, Connecticut	$84,576
7	Westchester County, New York	$74,878
8	San Mateo County, California	$71,753
9	Morris County, New Jersey	$71,713
10	City and County of San Francisco, California	$71,342
11	Somerset County, New Jersey	$70,949
12	City of Alexandria, Virginia	$70,632
13	Arlington County, Virginia	$68,270
14	Fairfax County, City of Fairfax, and City of Falls Church, Virginia	$67,909
15	Montgomery County, Maryland	$67,525
16	Bergen County, New Jersey	$67,125
17	Hunterdon County, New Jersey	$66,449
18	Sully County, South Dakota	$64,352
19	Blaine County, Idaho	$64,207
20	Collier County, Florida	$63,276

50 highest-income counties by personal per capita income (2005)

Number of counties by state in the top 50: Virginia 6, California 5, New Jersey 5, Colorado 3, Florida 3, Maryland 3, Massachusetts 3, New York 3, Illinois 2, Pennsylvania 2, Alaska 1, Connecticut 1, District of Columbia 1, Georgia 1, Idaho 1, Kansas 1, Michigan 1, Minnesota 1, Nevada 1, New Mexico 1, South Dakota 1, Tennessee 1, Texas 1, Utah 1, Washington 1, Wisconsin 1, Wyoming 1. Twenty-four states do not have any counties in the top 50.

Rank	County	Personal Per Capita Income
1	New York County, New York (Manhattan)	$147,000
2	Teton County, Wyoming	$89,028
3	Pitkin County, Colorado	$77,970
4	Loving County, Texas	$77,787
5	Marin County, California	$75,884
6	Fairfield County, Connecticut	$67,269
7	City and County of San Francisco, California	$62,614
8	Morris County, New Jersey	$62,583
9	Westchester County, New York	$62,045
10	City of Alexandria, Virginia	$61,147
11	Somerset County, New Jersey	$61,039
12	Hunterdon County, New Jersey	$60,357
13	Fairfax County, Fairfax, and Falls Church, Virginia	$60,289
14	Montgomery County, Maryland	$59,953
15	Arlington County, Virginia	$59,389
16	San Mateo County, California	$59,213
17	Bergen County, New Jersey	$56,725
18	Town and County of Nantucket, Massachusetts	$56,092
19	Nassau County, New York	$54,941
20	Montgomery County, Pennsylvania	$54,293
21	Los Alamos County, New Mexico	$54,134
22	Norfolk County, Massachusetts	$53,278
23	Washington, D.C.	$52,811
24	Howard County, Maryland	$52,580
25	Ozaukee County, Wisconsin	$52,490
26	Oakland County, Michigan	$52,274
27	Blaine County, Idaho	$52,245
28	Goochland County, Virginia	$52,212
29	Middlesex County, Massachusetts	$51,869
30	Santa Clara County, California	$51,112
31	Talbot County, Maryland	$50,872
32	Chester County, Pennsylvania	$50,787
33	Summit County, Utah	$50,542
34	Palm Beach County, Florida	$50,371
35	Martin County, Florida	$49,992
36	Hennepin County, Minnesota	$49,566
37	Collier County, Florida	$49,492
38	Fulton County, Georgia	$49,291
39	Sully County, South Dakota	$49,119
40	Lake County, Illinois	$48,906
41	Contra Costa County, California	$48,618
42	Monmouth County, New Jersey	$48,506
43	DuPage County, Illinois	$48,472
44	King County, Washington	$48,216
45	Clear Creek County, Colorado	$48,150
46	Johnson County, Kansas	$48,123
47	Williamson County, Tennessee	$47,712
48	City and County of Denver, Colorado	$47,652
49	Denali Borough, Alaska	$47,551
50	Douglas County, Nevada	$47,303

100 highest-income counties by per capita income (2000)

Number of counties by state in the top 100: Colorado 10, Virginia 7 counties plus 3 independent cities, New Jersey 9, California 8, Florida 6, New York 6, Georgia 4, Maryland 4, Minnesota 4, Connecticut 3, Massachusetts 3, Michigan 3, Pennsylvania 3, Texas 3, Illinois 2, North Carolina 2, Ohio 2, , Washington 2, Wisconsin 2, Idaho 1, Alaska 1, Alabama 1, District of Columbia 1, Indiana 1, Kansas 1, Missouri 1, Nevada 1, New Hampshire 1, New Mexico 1, Rhode Island 1, Tennessee 1, Utah 1, Wyoming 1. Eighteen states do not have any counties in the top 100.United States of America per capita average: $21,587

Rank	County	Per Capita Income
1	Marin County, California	$44,962
2	New York County, New York (Manhattan)	$42,922
3	City of Falls Church, Virginia	$41,052
4	Pitkin County, Colorado	$40,811
5	Fairfield County, Connecticut	$38,350
6	Teton County, Wyoming	$38,260
7	Somerset County, New Jersey	$37,970
8	Arlington County, Virginia	$37,706
9	City of Alexandria, Virginia	$37,645
10	Morris County, New Jersey	$36,964
11	Fairfax County, Virginia	$36,888
12	Westchester County, New York	$36,726
13	Hunterdon County, New Jersey	$36,370
14	San Mateo County, California	$36,045
15	Montgomery County, Maryland	$35,684
16	San Miguel County, Colorado	$35,329
17	Douglas County, Colorado	$34,848
18	Los Alamos County, New Mexico	$34,646
19	City and County of San Francisco, California	$34,556
20	Summit County, Utah	$33,767
21	Bergen County, New Jersey	$33,638
22	Loudoun County, Virginia	$33,530
23	Collin County, Texas	$33,345
24	Hamilton County, Indiana	$33,109
25	Santa Clara County, California	$32,795
26	Oakland County, Michigan	$32,534
27	Williamson County, Tennessee	$32,496
28	Norfolk County, Massachusetts	$32,484
29	Howard County, Maryland	$32,402
30	Nassau County, New York	$32,151
31	Lake County, Illinois	$32,102
32	Eagle County, Colorado	$32,011
33	Ozaukee County, Wisconsin	$31,947
34	Chester County, Pennsylvania	$31,627
35	Delaware County, Ohio	$31,600
36	Blaine County, Idaho	$31,346
37	DuPage County, Illinois	$31,315
38	Town and County of Nantucket, Massachusetts	$31,314
39	City of Fairfax, Virginia	$31,247
40	Middlesex County, Massachusetts	$31,199
41	Collier County, Florida	$31,195
42	Monmouth County, New Jersey	$31,149
43	Johnson County, Kansas	$30,919
44	Montgomery County, Pennsylvania	$30,898
45	Contra Costa County, California	$30,615
46	San Juan County, Washington	$30,603
47	Putnam County, New York	$30,127
48	Fulton County, Georgia	$30,003
49	Ventura County, California	$29,634
50	Martin County, Florida	$29,584
51	King County, Washington	$29,521
52	Fayette County, Georgia	$29,464
53	James City County, Virginia	$29,256
54	Waukesha County, Wisconsin	$29,164
55	Forsyth County, Georgia	$29,114
56	Goochland County, Virginia	$29,105
57	Boulder County, Colorado	$28,976
58	Albemarle County, Virginia	$28,852
59	Palm Beach County, Florida	$28,801
60	Routt County, Colorado	$28,792
61	Hennepin County, Minnesota	$28,789
62	Fauquier County, Virginia	$28,757
63	Summit County, Colorado	$28,676
64	St. Johns County, Florida	$28,674
65	Washington, D.C.	$28,659
66	Rockwall County, Texas	$28,573
67	Carver County, Minnesota	$28,486
68	Litchfield County, Connecticut	$28,408
69	Sarasota County, Florida	$28,326
70	Middlesex County, Connecticut	$28,251
71	Talbot County, Maryland	$28,164
72	Clear Creek County, Colorado	$28,160
73	Washington County, Minnesota	$28,148
74	Arapahoe County, Colorado	$28,147
75	Rockland County, New York	$28,082
76	Livingston County, Michigan	$28,069
77	Jefferson County, Colorado	$28,066
78	Placer County, California	$27,963
79	Geauga County, Ohio	$27,944
80	Mercer County, New Jersey	$27,914
81	Cobb County, Georgia	$27,863
82	St. Louis County, Missouri	$27,595
83	Anne Arundel County, Maryland	$27,578
84	Bucks County, Pennsylvania	$27,430
85	Mecklenburg County, North Carolina	$27,352
86	Douglas County, Nevada	$27,288
87	Indian River County, Florida	$27,227
88	Shelby County, Alabama	$27,176
89	Washtenaw County, Michigan	$27,173
90	Dakota County, Minnesota	$27,008
91	Wake County, North Carolina	$27,004
92	Sussex County, New Jersey	$26,992
93	Union County, New Jersey	$26,992
94	Denton County, Texas	$26,895
95	Newport County, Rhode Island	$26,779
96	City and Borough of Juneau, Alaska	$26,719
97	Alameda County, California	$26,680
98	Rockingham County, New Hampshire	$26,656
99	Suffolk County, New York	$26,577
100	Middlesex County, New Jersey	$26,535

Highest-income counties and places by state

To see more detailed lists of rankings of counties and places in individual states, see the following pages:

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• 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

Oklahoma Ohio Oregon Pennsylvania Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming

See also

• Highest-income places in the United States
• Highest-income states in the United States
• Lowest-income counties in the United States
• Household income in the United States
• Per capita income
• Personal income in the United States
• List of the poorest places in the United States

Notes and References

1. Income, Earnings, and Poverty Data From the 2007 American Community Survey
2. Matt Woolsey, America's Richest Counties, Forbes.com, 01.22.08, 6:00 PM ET Forbes.com Web site. Retrieved on 2008-02-08.
3. N.J. has four of nation's 20 highest-income counties
4. Per capita personal income, 2005
5. Census 2000 Demographic Profiles

Independent cities are counted as county equivalents for the purposes of census comparisons.