Christian Reformed Church in North America Counties (2010) [ Metro Areas | States ]
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The Christian Reformed Church in North America continues the conservative Reformed tradition of the Netherlands. It was founded in the United States in 1857.

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 Christian Reformed Church in North 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
8 Kent County, Michigan
43,152
7.16
5 Ottawa County, Michigan
33,697
12.77
83 Los Angeles County, California
9,892
0.1
76 Cook County, Illinois
8,979
0.17
1 Sioux County, Iowa
8,915
26.45
34 Kalamazoo County, Michigan
4,574
1.83
57 DuPage County, Illinois
4,252
0.46
33 Whatcom County, Washington
4,087
2.03
50 Lake County, Indiana
3,357
0.68
6 Marion County, Iowa
3,217
9.66
83 Orange County, California
3,014
0.1
59 San Joaquin County, California
2,843
0.41
79 San Bernardino County, California
2,792
0.14
36 Minnehaha County, South Dakota
2,779
1.64
30 Allegan County, Michigan
2,573
2.31
14 Newaygo County, Michigan
2,056
4.24
67 Will County, Illinois
2,020
0.3
4 Missaukee County, Michigan
2,010
13.54
31 Dodge County, Wisconsin
1,997
2.25
44 Muskegon County, Michigan
1,993
1.16
62 Passaic County, New Jersey
1,918
0.38
74 Bergen County, New Jersey
1,819
0.2
39 Sheboygan County, Wisconsin
1,608
1.39
35 Gallatin County, Montana
1,595
1.78
32 McKinley County, New Mexico
1,566
2.19
3 Pipestone County, Minnesota
1,558
16.24
10 Mahaska County, Iowa
1,505
6.72
21 Kandiyohi County, Minnesota
1,453
3.44
53 Yakima County, Washington
1,411
0.58
67 Tulare County, California
1,332
0.3
7 O'Brien County, Iowa
1,308
9.08
78 Worcester County, Massachusetts
1,232
0.15
74 Denver County, Colorado
1,190
0.2
87 King County, Washington
1,159
0.06
25 Jasper County, Iowa
1,109
3.01
74 Stanislaus County, California
1,043
0.2
24 Jasper County, Indiana
1,013
3.03
13 Nobles County, Minnesota
984
4.6
90 San Diego County, California
975
0.03
69 Washtenaw County, Michigan
930
0.27
20 Mille Lacs County, Minnesota
907
3.48
72 Waukesha County, Wisconsin
896
0.23
79 Arapahoe County, Colorado
819
0.14
68 Ingham County, Michigan
808
0.29
82 Snohomish County, Washington
791
0.11
11 Lyon County, Iowa
750
6.48
72 Manatee County, Florida
727
0.23
41 Broomfield County, Colorado
720
1.29
90 Riverside County, California
713
0.03
43 Whiteside County, Illinois
696
1.19
2 Douglas County, South Dakota
687
22.88
87 Hennepin County, Minnesota
644
0.06
55 Skagit County, Washington
643
0.55
90 Wayne County, Michigan
635
0.03
59 Kings County, California
625
0.41
91 Maricopa County, Arizona
601
0.02
85 Monroe County, New York
595
0.08
90 Santa Clara County, California
593
0.03
81 Ramsey County, Minnesota
589
0.12
92 Harris County, Texas
585
0.01
27 Osceola County, Michigan
585
2.49
54 Walworth County, Wisconsin
572
0.56
16 Newton County, Indiana
570
4
80 Polk County, Iowa
562
0.13
86 Pierce County, Washington
543
0.07
66 Tippecanoe County, Indiana
536
0.31
91 Miami-Dade County, Florida
522
0.02
90 Alameda County, California
518
0.03
49 Ionia County, Michigan
517
0.81
85 Norfolk County, Massachusetts
514
0.08
74 Merced County, California
500
0.2
66 Berrien County, Michigan
479
0.31
77 Douglas County, Colorado
465
0.16
12 Rock County, Minnesota
453
4.68
9 Osceola County, Iowa
450
6.96
40 Wexford County, Michigan
447
1.37
91 Clark County, Nevada
436
0.02
19 Grundy County, Iowa
435
3.49
78 St. Lucie County, Florida
427
0.15
22 Chippewa County, Minnesota
420
3.38
18 Hancock County, Iowa
419
3.69
73 Racine County, Wisconsin
409
0.21
52 Montcalm County, Michigan
397
0.63
67 San Juan County, New Mexico
387
0.3
90 Sacramento County, California
386
0.03
15 Charles Mix County, South Dakota
374
4.1
81 Boulder County, Colorado
368
0.12
90 Oakland County, Michigan
362
0.03
29 Butler County, Iowa
356
2.39
80 St. Joseph County, Indiana
355
0.13
89 Fresno County, California
353
0.04
71 Sussex County, New Jersey
351
0.24
89 San Francisco County, California
348
0.04
86 Washington County, Oregon
348
0.07
62 Story County, Iowa
340
0.38
86 Dane County, Wisconsin
326
0.07
91 Philadelphia County, Pennsylvania
307
0.02
79 Linn County, Iowa
300
0.14
45 Oceana County, Michigan
295
1.11
85 Orange County, New York
294
0.08
51 Cerro Gordo County, Iowa
292
0.66
89 Bernalillo County, New Mexico
284
0.04
89 El Paso County, Colorado
279
0.04
90 Salt Lake County, Utah
279
0.03
61 Apache County, Arizona
278
0.39
17 Hutchinson County, South Dakota
276
3.76
84 Marion County, Oregon
269
0.09
84 Anchorage Municipality, Alaska
264
0.09
77 Kenosha County, Wisconsin
260
0.16
87 Williamson County, Texas
259
0.06
51 Chippewa County, Michigan
255
0.66
46 Antrim County, Michigan
253
1.07
49 Freeborn County, Minnesota
253
0.81
91 Palm Beach County, Florida
253
0.02
91 Contra Costa County, California
252
0.02
65 Van Buren County, Michigan
247
0.32
90 Hartford County, Connecticut
245
0.03
86 Placer County, California
245
0.07
60 Huron County, Ohio
241
0.4
69 Lapeer County, Michigan
240
0.27
91 Cuyahoga County, Ohio
239
0.02
86 Larimer County, Colorado
220
0.07
72 Wayne County, New York
213
0.23
91 Montgomery County, Maryland
212
0.02
48 Plymouth County, Iowa
205
0.82
89 Spokane County, Washington
205
0.04
77 Scott County, Minnesota
204
0.16
58 Stephenson County, Illinois
204
0.43
85 Thurston County, Washington
202
0.08
78 Calhoun County, Michigan
201
0.15
41 Alamosa County, Colorado
199
1.29
23 Mitchell County, Kansas
196
3.08
75 Woodbury County, Iowa
193
0.19
92 Bexar County, Texas
192
0.01
91 Fairfax County, Virginia
191
0.02
32 Murray County, Minnesota
191
2.19
71 Island County, Washington
188
0.24
92 Queens County, New York
187
0.01
84 Broome County, New York
182
0.09
91 Multnomah County, Oregon
180
0.02
73 St. Croix County, Wisconsin
178
0.21
90 Hudson County, New Jersey
169
0.03
57 Addison County, Vermont
168
0.46
90 Morris County, New Jersey
168
0.03
26 Phillips County, Kansas
168
2.98
90 Douglas County, Nebraska
166
0.03
92 Broward County, Florida
164
0.01
47 Renville County, Minnesota
162
1.03
85 Elkhart County, Indiana
161
0.08
63 Mecosta County, Michigan
159
0.37
90 Davidson County, Tennessee
158
0.03
56 Brookings County, South Dakota
157
0.49
90 District of Columbia, District of Columbia
156
0.03
91 Ventura County, California
154
0.02
70 Barry County, Michigan
152
0.26
67 Beaufort County, North Carolina
145
0.3
85 Outagamie County, Wisconsin
145
0.08
90 Richmond County, New York
141
0.03
92 Orange County, Florida
140
0.01
90 Lucas County, Ohio
135
0.03
80 Pennington County, South Dakota
133
0.13
84 Penobscot County, Maine
133
0.09
84 Mesa County, Colorado
131
0.09
88 Weld County, Colorado
130
0.05
90 Dakota County, Minnesota
120
0.03
92 Middlesex County, New Jersey
120
0.01
42 Stevens County, Minnesota
120
1.23
91 Summit County, Ohio
118
0.02
92 Franklin County, Ohio
115
0.01
90 Solano County, California
115
0.03
80 Grant County, Washington
113
0.13
91 DeKalb County, Georgia
111
0.02
68 Erath County, Texas
109
0.29
90 Santa Barbara County, California
109
0.03
92 Fulton County, Georgia
105
0.01
81 Grand Traverse County, Michigan
102
0.12
85 Johnson County, Iowa
101
0.08
92 El Paso County, Texas
99
0.01
88 Champaign County, Illinois
98
0.05
83 Yamhill County, Oregon
98
0.1
37 Pondera County, Montana
96
1.56
88 Benton County, Washington
95
0.05
92 St. Louis County, Missouri
93
0.01
87 Stearns County, Minnesota
93
0.06
91 Delaware County, Pennsylvania
89
0.02
28 Emmons County, North Dakota
88
2.48
38 Cherry County, Nebraska
86
1.51
91 Adams County, Colorado
84
0.02
90 Dutchess County, New York
84
0.03
64 Otsego County, Michigan
83
0.34
92 Travis County, Texas
83
0.01
92 Suffolk County, New York
82
0.01
76 Lincoln County, South Dakota
77
0.17
87 Strafford County, New Hampshire
76
0.06
86 Eaton County, Michigan
75
0.07
28 Perkins County, South Dakota
74
2.48
88 Jackson County, Michigan
73
0.05
88 Coconino County, Arizona
71
0.05
91 Genesee County, Michigan
70
0.02
92 Duval County, Florida
67
0.01
91 Clackamas County, Oregon
66
0.02
92 Johnson County, Kansas
63
0.01
92 Montgomery County, Pennsylvania
63
0.01
92 Onondaga County, New York
62
0.01
83 St. Joseph County, Michigan
62
0.1
91 Allen County, Indiana
61
0.02
73 Mason County, Michigan
61
0.21
91 Kitsap County, Washington
60
0.02
85 Wood County, Wisconsin
60
0.08
91 Norfolk city, Virginia
59
0.02
84 Marquette County, Michigan
58
0.09
92 Pinellas County, Florida
58
0.01
90 Saginaw County, Michigan
58
0.03
87 Benton County, Oregon
55
0.06
92 Kern County, California
54
0.01
93 Dallas County, Texas
51
0
92 Honolulu County, Hawaii
50
0.01
91 Lancaster County, Nebraska
50
0.02
86 Lewis and Clark County, Montana
46
0.07
86 Otsego County, New York
46
0.07
92 McHenry County, Illinois
45
0.01
69 Kanabec County, Minnesota
44
0.27
93 Milwaukee County, Wisconsin
43
0
90 Tazewell County, Illinois
43
0.03
93 Marion County, Indiana
39
0
93 Tarrant County, Texas
38
0
74 Idaho County, Idaho
33
0.2
92 Rockingham County, New Hampshire
32
0.01
86 Siskiyou County, California
32
0.07
92 Chester County, Pennsylvania
31
0.01
63 Turner County, South Dakota
31
0.37
92 Richland County, South Carolina
30
0.01
93 San Mateo County, California
30
0
85 Polk County, Minnesota
26
0.08
93 Burlington County, New Jersey
21
0
93 Middlesex County, Massachusetts
20
0
93 Gwinnett County, Georgia
18
0
93 New York County, New York
18
0
93 Brevard County, Florida
15
0
93 Seminole County, Florida
11
0
92 Somerset County, Maine
6
0.01
93 Napa County, California
4
0
93 Clark County, Washington
0
0
93 Fond du Lac County, Wisconsin
0
0
93 Jackson County, Missouri
0
0
93 Pima County, Arizona
0
0
93 Providence County, Rhode Island
0
0
93 Yolo County, California
0
0
94 Ada County, Idaho
--
--
94 Black Hawk County, Iowa
--
--
94 Boone County, Missouri
--
--
94 Box Elder County, Utah
--
--
94 Bulloch County, Georgia
--
--
94 Butler County, Ohio
--
--
94 Charlevoix County, Michigan
--
--
94 Cheshire County, New Hampshire
--
--
94 Clay County, South Dakota
--
--
94 Clinton County, Michigan
--
--
94 Cobb County, Georgia
--
--
94 Columbia County, Wisconsin
--
--
94 Coos County, Oregon
--
--
94 Cottonwood County, Minnesota
--
--
94 Denton County, Texas
--
--
94 Deuel County, South Dakota
--
--
94 Durham County, North Carolina
--
--
94 Emmet County, Michigan
--
--
94 Fort Bend County, Texas
--
--
94 Grays Harbor County, Washington
--
--
94 Guilford County, North Carolina
--
--
94 Hamilton County, Ohio
--
--
94 Hardin County, Iowa
--
--
94 Herkimer County, New York
--
--
94 Hinds County, Mississippi
--
--
94 Isabella County, Michigan
--
--
94 Jefferson County, Colorado
--
--
94 Jefferson County, Kentucky
--
--
94 Jewell County, Kansas
--
--
94 Kankakee County, Illinois
--
--
94 Kendall County, Illinois
--
--
94 Kings County, New York
--
--
94 La Crosse County, Wisconsin
--
--
94 Lane County, Oregon
--
--
94 Lee County, Florida
--
--
94 Lincoln County, Oregon
--
--
94 Macomb County, Michigan
--
--
94 Mahnomen County, Minnesota
--
--
94 Monroe County, Michigan
--
--
94 Monroe County, Ohio
--
--
94 Montgomery County, Ohio
--
--
94 North Slope Borough, Alaska
--
--
94 Ocean County, New Jersey
--
--
94 Oklahoma County, Oklahoma
--
--
94 Polk County, Florida
--
--
94 Rockland County, New York
--
--
94 San Luis Obispo County, California
--
--
94 Sangamon County, Illinois
--
--
94 Scott County, Iowa
--
--
94 Shasta County, California
--
--
94 Smith County, Kansas
--
--
94 Sonoma County, California
--
--
94 St. Louis city, Missouri
--
--
94 Suffolk city, Virginia
--
--
94 Suffolk County, Massachusetts
--
--
94 Vigo County, Indiana
--
--
94 Virginia Beach city, Virginia
--
--
94 Washington County, Minnesota
--
--
94 Washington County, Pennsylvania
--
--
94 Weber County, Utah
--
--
94 Wright County, Iowa
--
--


* 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]