Greek Orthodox Archdiocese of America Counties (2010) [ Metro Areas | States ]
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Greek immigrants settled in America in the 19th century and organized parishes under the jurisdiction of the Russian Orthodox Church. In 1918, they established a separate ethnic diocese, which eventually became the Greek Orthodox Archdiocese of North and South America.

Using data from the 1980-2010 Religious Congregations and Membership Studies, this list ranks U.S. counties on the highest total number of adherents and the highest percent of the population in the Greek Orthodox Archdiocese of America. You can sort the list by clicking on the column headings.

Congregational "Adherents" include all full members, their children, and others who regularly attend services. "Percent" is the percentage of the total population that belongs to that denomination. Note: Adherents are sometimes residents of a county different than the location of their congregation.

[ More information on the data source ]

Complete List

Ranking County   [Download CSV]AdherentsPercent
27 Cook County, Illinois
30,870
0.59
10 Queens County, New York
24,250
1.09
14 Middlesex County, Massachusetts
13,310
0.89
12 Nassau County, New York
12,300
0.92
7 Pinellas County, Florida
11,375
1.24
5 Essex County, Massachusetts
9,950
1.34
24 Suffolk County, New York
9,740
0.65
2 District of Columbia, District of Columbia
9,500
1.58
72 Los Angeles County, California
9,155
0.09
47 Kings County, New York
8,500
0.34
18 Mecklenburg County, North Carolina
7,500
0.82
13 Middlesex County, New Jersey
7,400
0.91
3 Lake County, Indiana
6,925
1.4
40 Cuyahoga County, Ohio
5,651
0.44
66 Maricopa County, Arizona
5,650
0.15
67 Harris County, Texas
5,550
0.14
19 Baltimore city, Maryland
5,000
0.81
55 Clark County, Nevada
5,000
0.26
32 Fairfield County, Connecticut
4,901
0.53
31 Bergen County, New Jersey
4,850
0.54
56 King County, Washington
4,765
0.25
19 Delaware County, Pennsylvania
4,530
0.81
31 Macomb County, Michigan
4,500
0.54
40 Salt Lake County, Utah
4,500
0.44
20 Union County, New Jersey
4,275
0.8
9 Stark County, Ohio
4,200
1.12
64 Dallas County, Texas
4,000
0.17
23 Denver County, Colorado
4,000
0.67
16 Richmond County, New York
4,000
0.85
56 New York County, New York
3,980
0.25
41 DuPage County, Illinois
3,950
0.43
53 Palm Beach County, Florida
3,750
0.28
33 San Mateo County, California
3,750
0.52
39 San Francisco County, California
3,600
0.45
49 Fairfax County, Virginia
3,500
0.32
24 Montgomery County, Ohio
3,500
0.65
47 Milwaukee County, Wisconsin
3,220
0.34
64 Wayne County, Michigan
3,075
0.17
29 Anne Arundel County, Maryland
3,000
0.56
41 DeKalb County, Georgia
3,000
0.43
56 Oakland County, Michigan
3,000
0.25
71 San Diego County, California
3,000
0.1
57 Allegheny County, Pennsylvania
2,990
0.24
53 Montgomery County, Maryland
2,750
0.28
62 Sacramento County, California
2,750
0.19
58 Franklin County, Ohio
2,700
0.23
8 Mahoning County, Ohio
2,700
1.13
66 Santa Clara County, California
2,700
0.15
53 Westchester County, New York
2,650
0.28
48 Worcester County, Massachusetts
2,625
0.33
72 Orange County, California
2,575
0.09
31 Hampden County, Massachusetts
2,510
0.54
36 Camden County, New Jersey
2,500
0.49
50 Hamilton County, Ohio
2,500
0.31
59 Orange County, Florida
2,500
0.22
53 New Haven County, Connecticut
2,446
0.28
34 Onondaga County, New York
2,400
0.51
67 Broward County, Florida
2,385
0.14
15 New London County, Connecticut
2,350
0.86
45 Providence County, Rhode Island
2,325
0.37
38 Morris County, New Jersey
2,310
0.47
30 Hillsborough County, New Hampshire
2,210
0.55
57 Erie County, New York
2,200
0.24
48 Monmouth County, New Jersey
2,100
0.33
52 Multnomah County, Oregon
2,100
0.29
15 Norfolk city, Virginia
2,100
0.86
55 Essex County, New Jersey
2,000
0.26
22 Hamilton County, Indiana
2,000
0.73
61 Pima County, Arizona
2,000
0.2
25 St. Louis city, Missouri
2,000
0.63
11 Trumbull County, Ohio
2,000
0.95
62 Fresno County, California
1,788
0.19
61 Hartford County, Connecticut
1,780
0.2
56 Cobb County, Georgia
1,700
0.25
43 Berks County, Pennsylvania
1,695
0.41
50 Summit County, Ohio
1,660
0.31
75 Miami-Dade County, Florida
1,620
0.06
70 Alameda County, California
1,600
0.11
69 Bronx County, New York
1,600
0.12
31 Northampton County, Pennsylvania
1,600
0.54
21 Richmond city, Virginia
1,600
0.78
52 Bristol County, Massachusetts
1,565
0.29
68 Hennepin County, Minnesota
1,545
0.13
62 Baltimore County, Maryland
1,500
0.19
58 Bernalillo County, New Mexico
1,500
0.23
47 Lucas County, Ohio
1,500
0.34
17 Newport News city, Virginia
1,500
0.83
51 Passaic County, New Jersey
1,500
0.3
66 St. Louis County, Missouri
1,500
0.15
59 Norfolk County, Massachusetts
1,490
0.22
49 Greenville County, South Carolina
1,440
0.32
33 Atlantic County, New Jersey
1,420
0.52
61 Lake County, Illinois
1,390
0.2
66 Wake County, North Carolina
1,390
0.15
57 Lancaster County, Pennsylvania
1,250
0.24
63 San Joaquin County, California
1,250
0.18
57 Kane County, Illinois
1,230
0.24
55 Pasco County, Florida
1,225
0.26
71 Hillsborough County, Florida
1,200
0.1
37 Marin County, California
1,200
0.48
48 Mercer County, New Jersey
1,200
0.33
73 Philadelphia County, Pennsylvania
1,200
0.08
62 Arapahoe County, Colorado
1,100
0.19
64 Jefferson County, Alabama
1,100
0.17
65 Hudson County, New Jersey
1,030
0.16
60 Plymouth County, Massachusetts
1,025
0.21
48 Albany County, New York
1,000
0.33
63 Brevard County, Florida
1,000
0.18
50 Collier County, Florida
1,000
0.31
42 Cumberland County, Pennsylvania
1,000
0.42
66 Jackson County, Missouri
1,000
0.15
46 St. Lucie County, Florida
1,000
0.36
55 Orleans Parish, Louisiana
900
0.26
54 Manatee County, Florida
870
0.27
68 Will County, Illinois
850
0.13
62 Virginia Beach city, Virginia
840
0.19
38 Beaver County, Pennsylvania
800
0.47
58 Forsyth County, North Carolina
800
0.23
36 Porter County, Indiana
800
0.49
43 Racine County, Wisconsin
800
0.41
44 Washington County, Pennsylvania
800
0.38
52 St. Joseph County, Indiana
776
0.29
71 Montgomery County, Pennsylvania
770
0.1
72 Duval County, Florida
750
0.09
50 Harford County, Maryland
750
0.31
64 Knox County, Tennessee
750
0.17
68 Ocean County, New Jersey
750
0.13
61 Orange County, New York
750
0.2
71 Suffolk County, Massachusetts
750
0.1
60 Charleston County, South Carolina
720
0.21
64 Mobile County, Alabama
700
0.17
63 Richland County, South Carolina
700
0.18
72 Monroe County, New York
675
0.09
71 Davidson County, Tennessee
655
0.1
78 Riverside County, California
650
0.03
66 Santa Barbara County, California
650
0.15
71 Lee County, Florida
640
0.1
77 Tarrant County, Texas
635
0.04
75 Contra Costa County, California
600
0.06
59 Horry County, South Carolina
600
0.22
60 Ingham County, Michigan
600
0.21
71 Kent County, Michigan
600
0.1
75 Travis County, Texas
600
0.06
74 Ventura County, California
600
0.07
38 Strafford County, New Hampshire
575
0.47
53 Broome County, New York
555
0.28
71 New Castle County, Delaware
550
0.1
75 Shelby County, Tennessee
550
0.06
70 Stanislaus County, California
550
0.11
71 Washington County, Oregon
550
0.1
46 Merrimack County, New Hampshire
530
0.36
64 Winnebago County, Illinois
505
0.17
34 Cape May County, New Jersey
500
0.51
63 Cumberland County, Maine
500
0.18
64 Dutchess County, New York
500
0.17
73 El Paso County, Colorado
500
0.08
64 Escambia County, Florida
500
0.17
60 Frederick County, Maryland
500
0.21
1 Hancock County, West Virginia
500
1.63
75 Prince George's County, Maryland
500
0.06
79 San Bernardino County, California
500
0.02
71 Volusia County, Florida
500
0.1
64 Fayette County, Kentucky
490
0.17
57 Champaign County, Illinois
475
0.24
49 Rock Island County, Illinois
475
0.32
72 Ramsey County, Minnesota
450
0.09
72 Spokane County, Washington
440
0.09
71 Polk County, Iowa
435
0.1
73 Douglas County, Nebraska
425
0.08
72 Guilford County, North Carolina
420
0.09
68 Cumberland County, North Carolina
400
0.13
44 DeKalb County, Illinois
400
0.38
52 Florence County, South Carolina
400
0.29
70 Placer County, California
400
0.11
71 Solano County, California
400
0.1
66 St. Clair County, Illinois
400
0.15
69 Washtenaw County, Michigan
400
0.12
57 Charlotte County, Florida
384
0.24
72 Washoe County, Nevada
375
0.09
66 Hinds County, Mississippi
370
0.15
64 Barnstable County, Massachusetts
360
0.17
58 Iredell County, North Carolina
360
0.23
79 Bexar County, Texas
350
0.02
68 Chatham County, Georgia
350
0.13
35 Jefferson County, Ohio
350
0.5
60 Monroe County, Pennsylvania
350
0.21
61 Muskegon County, Michigan
350
0.2
77 Pierce County, Washington
350
0.04
64 Saginaw County, Michigan
350
0.17
66 Weber County, Utah
350
0.15
21 Charlottesville city, Virginia
340
0.78
37 Belmont County, Ohio
335
0.48
67 Buncombe County, North Carolina
325
0.14
65 New Hanover County, North Carolina
325
0.16
68 Caddo Parish, Louisiana
320
0.13
64 St. Johns County, Florida
320
0.17
47 Laramie County, Wyoming
315
0.34
64 Okaloosa County, Florida
310
0.17
70 Erie County, Pennsylvania
300
0.11
58 Hunterdon County, New Jersey
300
0.23
46 Newport County, Rhode Island
300
0.36
62 Penobscot County, Maine
300
0.19
65 Peoria County, Illinois
300
0.16
73 Pulaski County, Arkansas
300
0.08
66 Richmond County, Georgia
300
0.15
66 York County, Maine
300
0.15
72 Luzerne County, Pennsylvania
290
0.09
63 Rensselaer County, New York
290
0.18
72 Rockland County, New York
290
0.09
6 Carbon County, Utah
280
1.31
28 Greene County, New York
280
0.57
71 Leon County, Florida
280
0.1
73 Madison County, Alabama
280
0.08
67 Sangamon County, Illinois
280
0.14
71 Durham County, North Carolina
275
0.1
65 Forsyth County, Georgia
275
0.16
70 Kalamazoo County, Michigan
275
0.11
53 Roanoke city, Virginia
275
0.28
73 Westmoreland County, Pennsylvania
275
0.08
72 Spartanburg County, South Carolina
270
0.09
77 Tulsa County, Oklahoma
265
0.04
73 Boulder County, Colorado
250
0.08
49 Cheshire County, New Hampshire
250
0.32
73 Larimer County, Colorado
250
0.08
73 Lorain County, Ohio
250
0.08
66 Minnehaha County, South Dakota
250
0.15
78 Oklahoma County, Oklahoma
250
0.03
57 Woodbury County, Iowa
250
0.24
69 Whatcom County, Washington
245
0.12
66 Cumberland County, New Jersey
235
0.15
50 Natrona County, Wyoming
235
0.31
73 Anchorage Municipality, Alaska
234
0.08
76 Genesee County, Michigan
230
0.05
78 Jefferson County, Kentucky
230
0.03
60 Androscoggin County, Maine
225
0.21
65 Clark County, Ohio
225
0.16
74 Hamilton County, Tennessee
225
0.07
77 Johnson County, Kansas
225
0.04
63 Spotsylvania County, Virginia
225
0.18
76 Dane County, Wisconsin
220
0.05
59 Fond du Lac County, Wisconsin
220
0.22
62 Mercer County, Pennsylvania
220
0.19
69 Outagamie County, Wisconsin
215
0.12
67 Schenectady County, New York
215
0.14
60 Tompkins County, New York
215
0.21
73 Alachua County, Florida
200
0.08
75 Allen County, Indiana
200
0.06
69 Boone County, Missouri
200
0.12
39 Cerro Gordo County, Iowa
200
0.45
62 Fayette County, Georgia
200
0.19
69 Kenosha County, Wisconsin
200
0.12
79 Kern County, California
200
0.02
74 Lancaster County, Nebraska
200
0.07
67 Martin County, Florida
200
0.14
26 Oconee County, Georgia
200
0.61
67 Olmsted County, Minnesota
200
0.14
76 Pinal County, Arizona
200
0.05
78 Polk County, Florida
200
0.03
74 Rockingham County, New Hampshire
200
0.07
39 Sweetwater County, Wyoming
195
0.45
71 Baldwin County, Alabama
190
0.1
75 Nueces County, Texas
190
0.06
43 Ohio County, West Virginia
180
0.41
74 San Luis Obispo County, California
180
0.07
79 Honolulu County, Hawaii
175
0.02
75 Lubbock County, Texas
175
0.06
72 St. Louis County, Minnesota
175
0.09
68 Berkshire County, Massachusetts
170
0.13
73 Linn County, Iowa
165
0.08
60 Franklin County, Washington
162
0.21
68 Blair County, Pennsylvania
160
0.13
74 McLennan County, Texas
160
0.07
64 Monongalia County, West Virginia
160
0.17
70 Chautauqua County, New York
150
0.11
70 Citrus County, Florida
150
0.11
70 Coconino County, Arizona
150
0.11
65 Lawrence County, Pennsylvania
150
0.16
10 Moffat County, Colorado
150
1.09
75 Santa Cruz County, California
150
0.06
73 Ulster County, New York
150
0.08
28 Winchester city, Virginia
150
0.57
68 Windham County, Connecticut
150
0.13
52 Worcester County, Maryland
150
0.29
78 York County, Pennsylvania
150
0.03
68 Sheboygan County, Wisconsin
145
0.13
72 Beaufort County, South Carolina
140
0.09
69 Jefferson County, New York
140
0.12
78 Monterey County, California
140
0.03
72 Sullivan County, Tennessee
140
0.09
76 Galveston County, Texas
139
0.05
78 Ada County, Idaho
130
0.03
74 Hernando County, Florida
125
0.07
70 Macon County, Illinois
125
0.11
61 Belknap County, New Hampshire
120
0.2
73 Bibb County, Georgia
120
0.08
32 Hopewell city, Virginia
120
0.53
70 Missoula County, Montana
120
0.11
79 Sedgwick County, Kansas
120
0.02
75 Kanawha County, West Virginia
115
0.06
65 Harrison County, West Virginia
110
0.16
70 Cabell County, West Virginia
105
0.11
75 Berrien County, Michigan
100
0.06
55 Chippewa County, Michigan
100
0.26
75 Chittenden County, Vermont
100
0.06
78 Lane County, Oregon
100
0.03
73 Richland County, Ohio
100
0.08
58 Sullivan County, New Hampshire
100
0.23
74 Tolland County, Connecticut
100
0.07
76 Yavapai County, Arizona
100
0.05
79 East Baton Rouge Parish, Louisiana
97
0.02
75 Alamance County, North Carolina
95
0.06
74 Santa Fe County, New Mexico
95
0.07
79 Butler County, Ohio
90
0.02
80 Marion County, Indiana
90
0.01
71 Bannock County, Idaho
85
0.1
76 Harrison County, Mississippi
85
0.05
77 Montgomery County, Alabama
85
0.04
67 Rutland County, Vermont
85
0.14
71 Cascade County, Montana
80
0.1
72 Chemung County, New York
80
0.09
76 Mesa County, Colorado
80
0.05
77 Muscogee County, Georgia
80
0.04
74 Potter County, Texas
80
0.07
74 Tom Green County, Texas
77
0.07
77 Shasta County, California
75
0.04
75 Wichita County, Texas
75
0.06
76 Cambria County, Pennsylvania
72
0.05
64 Danville city, Virginia
72
0.17
77 Bay County, Florida
70
0.04
74 Dubuque County, Iowa
70
0.07
73 Grand Traverse County, Michigan
70
0.08
78 Lackawanna County, Pennsylvania
70
0.03
4 Morrill County, Nebraska
70
1.39
80 El Paso County, Texas
65
0.01
78 Jefferson County, Texas
65
0.03
77 Pueblo County, Colorado
65
0.04
56 Abbeville County, South Carolina
63
0.25
76 Black Hawk County, Iowa
60
0.05
76 Kankakee County, Illinois
60
0.05
61 Montgomery County, North Carolina
56
0.2
54 Klickitat County, Washington
55
0.27
79 McHenry County, Illinois
54
0.02
74 Lynchburg city, Virginia
50
0.07
78 Pitt County, North Carolina
50
0.03
78 St. Clair County, Michigan
49
0.03
74 Marquette County, Michigan
45
0.07
76 Putnam County, New York
45
0.05
73 Ashland County, Ohio
42
0.08
76 Glynn County, Georgia
40
0.05
76 Fulton County, New York
30
0.05
78 Garland County, Arkansas
30
0.03
76 Hall County, Nebraska
30
0.05
74 Levy County, Florida
30
0.07
79 Ouachita Parish, Louisiana
30
0.02
80 Maui County, Hawaii
15
0.01
80 Butler County, Pennsylvania
13
0.01
79 Washington County, Texas
6
0.02
80 Crawford County, Ohio
3
0.01
81 Marion County, Florida
3
0
81 Stokes County, North Carolina
0
0
81 Sullivan County, New York
0
0
82 Albemarle County, Virginia
--
--
82 Alexandria city, Virginia
--
--
82 Alpena County, Michigan
--
--
82 Armstrong County, Pennsylvania
--
--
82 Calhoun County, Michigan
--
--
82 Campbell County, Virginia
--
--
82 Carbon County, Pennsylvania
--
--
82 Centre County, Pennsylvania
--
--
82 Clarke County, Georgia
--
--
82 Cumberland County, Tennessee
--
--
82 Dougherty County, Georgia
--
--
82 Frederick County, Virginia
--
--
82 Fredericksburg city, Virginia
--
--
82 Fulton County, Georgia
--
--
82 Grand County, Colorado
--
--
82 Henrico County, Virginia
--
--
82 Kendall County, Illinois
--
--
82 Lehigh County, Pennsylvania
--
--
82 Monroe County, Florida
--
--
82 Pittsylvania County, Virginia
--
--
82 Prince George County, Virginia
--
--
82 Randolph County, North Carolina
--
--
82 Roanoke County, Virginia
--
--
82 Sanilac County, Michigan
--
--
82 Sarasota County, Florida
--
--
82 Scotts Bluff County, Nebraska
--
--
82 Sebastian County, Arkansas
--
--
82 Ward County, North Dakota
--
--
82 Washakie County, Wyoming
--
--
82 White Pine County, Nevada
--
--
82 Yellowstone County, Montana
--
--


* In an effort to better match the ASARB standards for adherents, a few religious bodies changed the way their adherents were reported in 2010, including Amish groups, Friends groups, Jewish groups, the Church of Jesus Christ of Latter-day Saints, Non-denominational Christian Churches, and the United Methodist Church. This change does not affect any of the data in the newly released 2010 U.S. Religion Census: Religious Congregations & Membership Study. In fact, the data for these groups are now more comparable to that of other bodies than it was in previous decadal reports.

However, the change in methodology can distort assessments on growth or decline between 2000 and 2010 for each of these groups. County-level 2000 data using the new methodology are not readily available. ASARB staff has adjusted some 2000 county-level adherent statistics to allow for a more accurate picture on growth or decline. The revised maps and charts are now available on-line at www.usreligioncensus.org for those who are interested in these trends.

Source

2010 data were collected by the Association of Statisticians of American Religious Bodies (ASARB) and include statistics for 236 religious groups, providing information on the number of their congregations and adherents within each state and county in the United States. Clifford Grammich, Kirk Hadaway, Richard Houseal, Dale E. Jones, Alexei Krindatch, Richie Stanley and Richard H. Taylor supervised the collection. These data originally appeared in 2010 U.S. Religion Census: Religious Congregations & Membership Study, published by the Association of Statisticians of American Religious Bodies (ASARB). [More information on the data collection]




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