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


* 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]