Christian Reformed Church in North America Counties (1990) [ 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
100 Ada County, Idaho
195
0.09
110 Adams County, Colorado
--
--
49 Addison County, Vermont
369
1.12
104 Alameda County, California
608
0.05
25 Alamosa County, Colorado
505
3.71
6 Allegan County, Michigan
11,540
12.75
89 Allen County, Indiana
656
0.22
98 Anchorage Municipality, Alaska
239
0.11
38 Antrim County, Michigan
318
1.75
63 Apache County, Arizona
352
0.57
110 Arapahoe County, Colorado
--
--
80 Barry County, Michigan
158
0.32
60 Beaufort County, North Carolina
279
0.66
93 Benton County, Oregon
127
0.18
83 Benton County, Washington
326
0.29
76 Bergen County, New Jersey
3,037
0.37
104 Bernalillo County, New Mexico
255
0.05
90 Berrien County, Michigan
332
0.21
110 Bexar County, Texas
--
--
99 Black Hawk County, Iowa
119
0.1
104 Boone County, Missouri
60
0.05
98 Boulder County, Colorado
239
0.11
84 Box Elder County, Utah
103
0.28
106 Brevard County, Florida
128
0.03
51 Brookings County, South Dakota
269
1.07
99 Broome County, New York
220
0.1
110 Broomfield County, Colorado
--
--
107 Broward County, Florida
261
0.02
91 Bulloch County, Georgia
86
0.2
110 Burlington County, New Jersey
--
--
33 Butler County, Iowa
407
2.59
110 Butler County, Ohio
--
--
86 Calhoun County, Michigan
344
0.25
82 Cerro Gordo County, Iowa
142
0.3
102 Champaign County, Illinois
117
0.07
17 Charles Mix County, South Dakota
490
5.37
110 Charlevoix County, Michigan
--
--
110 Cherry County, Nebraska
--
--
102 Cheshire County, New Hampshire
46
0.07
110 Chester County, Pennsylvania
--
--
51 Chippewa County, Michigan
370
1.07
29 Chippewa County, Minnesota
394
2.98
110 Clackamas County, Oregon
--
--
108 Clark County, Nevada
55
0.01
104 Clark County, Washington
113
0.05
71 Clay County, South Dakota
59
0.45
69 Clinton County, Michigan
286
0.49
110 Cobb County, Georgia
--
--
104 Coconino County, Arizona
46
0.05
40 Columbia County, Wisconsin
736
1.63
105 Contra Costa County, California
320
0.04
87 Cook County, Illinois
12,298
0.24
99 Coos County, Oregon
61
0.1
77 Cottonwood County, Minnesota
46
0.36
105 Cuyahoga County, Ohio
597
0.04
104 Dakota County, Minnesota
133
0.05
108 Dallas County, Texas
205
0.01
102 Dane County, Wisconsin
268
0.07
107 Davidson County, Tennessee
123
0.02
107 DeKalb County, Georgia
121
0.02
110 Delaware County, Pennsylvania
--
--
110 Denton County, Texas
--
--
62 Denver County, Colorado
2,773
0.59
30 Deuel County, South Dakota
129
2.85
106 District of Columbia, District of Columbia
179
0.03
79 Dodge County, Wisconsin
263
0.34
110 Douglas County, Colorado
--
--
105 Douglas County, Nebraska
170
0.04
2 Douglas County, South Dakota
868
23.17
73 DuPage County, Illinois
3,199
0.41
110 Durham County, North Carolina
--
--
104 Dutchess County, New York
127
0.05
107 Duval County, Florida
154
0.02
103 Eaton County, Michigan
53
0.06
97 El Paso County, Colorado
466
0.12
108 El Paso County, Texas
76
0.01
95 Elkhart County, Indiana
248
0.16
110 Emmet County, Michigan
--
--
32 Emmons County, North Dakota
126
2.61
73 Erath County, Texas
116
0.41
107 Fairfax County, Virginia
146
0.02
46 Fond du Lac County, Wisconsin
1,053
1.17
110 Fort Bend County, Texas
--
--
107 Franklin County, Ohio
158
0.02
56 Freeborn County, Minnesota
250
0.76
104 Fresno County, California
318
0.05
109 Fulton County, Georgia
0
0
27 Gallatin County, Montana
1,679
3.33
105 Genesee County, Michigan
152
0.04
93 Grand Traverse County, Michigan
113
0.18
85 Grant County, Washington
146
0.27
110 Grays Harbor County, Washington
--
--
13 Grundy County, Iowa
849
7.06
110 Guilford County, North Carolina
--
--
110 Gwinnett County, Georgia
--
--
108 Hamilton County, Ohio
125
0.01
15 Hancock County, Iowa
709
5.61
53 Hardin County, Iowa
179
0.94
108 Harris County, Texas
273
0.01
106 Hartford County, Connecticut
263
0.03
103 Hennepin County, Minnesota
666
0.06
110 Herkimer County, New York
--
--
110 Hinds County, Mississippi
--
--
108 Honolulu County, Hawaii
72
0.01
110 Hudson County, New Jersey
--
--
66 Huron County, Ohio
296
0.53
18 Hutchinson County, South Dakota
407
4.93
54 Idaho County, Idaho
107
0.78
79 Ingham County, Michigan
948
0.34
55 Ionia County, Michigan
438
0.77
92 Isabella County, Michigan
103
0.19
66 Island County, Washington
317
0.53
101 Jackson County, Michigan
123
0.08
107 Jackson County, Missouri
114
0.02
19 Jasper County, Indiana
1,160
4.65
22 Jasper County, Iowa
1,386
3.98
110 Jefferson County, Colorado
--
--
110 Jefferson County, Kentucky
--
--
110 Jewell County, Kansas
--
--
91 Johnson County, Iowa
191
0.2
110 Johnson County, Kansas
--
--
31 Kalamazoo County, Michigan
6,163
2.76
110 Kanabec County, Minnesota
--
--
24 Kandiyohi County, Minnesota
1,532
3.95
86 Kankakee County, Illinois
245
0.25
110 Kendall County, Illinois
--
--
89 Kenosha County, Wisconsin
282
0.22
11 Kent County, Michigan
43,473
8.68
108 Kern County, California
78
0.01
102 King County, Washington
989
0.07
59 Kings County, California
684
0.67
109 Kings County, New York
74
0
105 Kitsap County, Washington
78
0.04
97 La Crosse County, Wisconsin
116
0.12
64 Lake County, Indiana
2,636
0.55
110 Lancaster County, Nebraska
--
--
110 Lane County, Oregon
--
--
58 Lapeer County, Michigan
513
0.69
91 Larimer County, Colorado
377
0.2
106 Lee County, Florida
90
0.03
88 Lewis and Clark County, Montana
110
0.23
110 Lincoln County, Oregon
--
--
110 Lincoln County, South Dakota
--
--
99 Linn County, Iowa
171
0.1
101 Los Angeles County, California
6,693
0.08
106 Lucas County, Ohio
143
0.03
12 Lyon County, Iowa
938
7.85
108 Macomb County, Michigan
85
0.01
9 Mahaska County, Iowa
1,906
8.86
82 Mahnomen County, Minnesota
15
0.3
81 Manatee County, Florida
648
0.31
104 Maricopa County, Arizona
1,012
0.05
107 Marion County, Indiana
124
0.02
7 Marion County, Iowa
2,991
9.97
95 Marion County, Oregon
375
0.16
110 Marquette County, Michigan
--
--
110 Mason County, Michigan
--
--
103 McHenry County, Illinois
102
0.06
37 McKinley County, New Mexico
1,084
1.79
72 Mecosta County, Michigan
164
0.44
102 Merced County, California
126
0.07
110 Mesa County, Colorado
--
--
107 Miami-Dade County, Florida
452
0.02
108 Middlesex County, Massachusetts
143
0.01
110 Middlesex County, New Jersey
--
--
20 Mille Lacs County, Minnesota
808
4.33
110 Milwaukee County, Wisconsin
--
--
50 Minnehaha County, South Dakota
1,360
1.1
4 Missaukee County, Michigan
1,758
14.47
110 Mitchell County, Kansas
--
--
110 Monroe County, Michigan
--
--
99 Monroe County, New York
744
0.1
110 Monroe County, Ohio
--
--
83 Montcalm County, Michigan
156
0.29
107 Montgomery County, Maryland
178
0.02
110 Montgomery County, Ohio
--
--
110 Montgomery County, Pennsylvania
--
--
98 Morris County, New Jersey
451
0.11
102 Multnomah County, Oregon
399
0.07
28 Murray County, Minnesota
315
3.26
38 Muskegon County, Michigan
2,781
1.75
104 Napa County, California
52
0.05
108 New York County, New York
80
0.01
14 Newaygo County, Michigan
2,243
5.87
36 Newton County, Indiana
247
1.82
21 Nobles County, Minnesota
842
4.19
107 Norfolk city, Virginia
113
0.02
110 Norfolk County, Massachusetts
--
--
110 North Slope Borough, Alaska
--
--
105 Oakland County, Michigan
474
0.04
8 O'Brien County, Iowa
1,511
9.78
109 Ocean County, New Jersey
0
0
39 Oceana County, Michigan
371
1.65
109 Oklahoma County, Oklahoma
22
0
106 Onondaga County, New York
134
0.03
99 Orange County, California
2,336
0.1
106 Orange County, Florida
197
0.03
93 Orange County, New York
550
0.18
10 Osceola County, Iowa
637
8.77
34 Osceola County, Michigan
446
2.21
67 Otsego County, Michigan
91
0.51
89 Otsego County, New York
136
0.22
5 Ottawa County, Michigan
24,506
13.05
99 Outagamie County, Wisconsin
135
0.1
102 Palm Beach County, Florida
631
0.07
65 Passaic County, New Jersey
2,424
0.54
88 Pennington County, South Dakota
185
0.23
110 Penobscot County, Maine
--
--
35 Perkins County, South Dakota
83
2.11
108 Philadelphia County, Pennsylvania
108
0.01
26 Phillips County, Kansas
230
3.49
102 Pierce County, Washington
434
0.07
105 Pima County, Arizona
263
0.04
108 Pinellas County, Florida
117
0.01
3 Pipestone County, Minnesota
1,676
15.98
110 Placer County, California
--
--
47 Plymouth County, Iowa
270
1.15
110 Polk County, Florida
--
--
99 Polk County, Iowa
332
0.1
94 Polk County, Minnesota
55
0.17
41 Pondera County, Montana
104
1.62
110 Providence County, Rhode Island
--
--
109 Queens County, New York
52
0
86 Racine County, Wisconsin
429
0.25
99 Ramsey County, Minnesota
499
0.1
45 Renville County, Minnesota
233
1.32
110 Richland County, South Carolina
--
--
110 Richmond County, New York
--
--
108 Riverside County, California
156
0.01
16 Rock County, Minnesota
543
5.54
110 Rockingham County, New Hampshire
--
--
106 Rockland County, New York
70
0.03
107 Sacramento County, California
258
0.02
102 Saginaw County, Michigan
140
0.07
104 Salt Lake County, Utah
375
0.05
87 San Bernardino County, California
3,462
0.24
102 San Diego County, California
1,724
0.07
110 San Francisco County, California
--
--
67 San Joaquin County, California
2,463
0.51
75 San Juan County, New Mexico
351
0.38
104 San Luis Obispo County, California
113
0.05
104 San Mateo County, California
298
0.05
106 Sangamon County, Illinois
61
0.03
110 Santa Barbara County, California
--
--
105 Santa Clara County, California
657
0.04
102 Scott County, Iowa
112
0.07
110 Scott County, Minnesota
--
--
110 Seminole County, Florida
--
--
104 Shasta County, California
70
0.05
43 Sheboygan County, Wisconsin
1,598
1.54
1 Sioux County, Iowa
7,897
26.41
109 Siskiyou County, California
0
0
52 Skagit County, Washington
798
1
23 Smith County, Kansas
201
3.96
52 Snohomish County, Washington
4,648
1
106 Solano County, California
101
0.03
110 Somerset County, Maine
--
--
108 Sonoma County, California
43
0.01
103 Spokane County, Washington
217
0.06
74 St. Croix County, Wisconsin
201
0.4
98 St. Joseph County, Indiana
272
0.11
96 St. Joseph County, Michigan
80
0.14
104 St. Louis city, Missouri
213
0.05
110 St. Louis County, Missouri
--
--
107 St. Lucie County, Florida
35
0.02
89 Stanislaus County, California
829
0.22
96 Stearns County, Minnesota
164
0.14
83 Stephenson County, Illinois
139
0.29
44 Stevens County, Minnesota
142
1.34
87 Story County, Iowa
180
0.24
110 Strafford County, New Hampshire
--
--
110 Suffolk city, Virginia
--
--
109 Suffolk County, Massachusetts
0
0
107 Suffolk County, New York
279
0.02
107 Summit County, Ohio
99
0.02
70 Sussex County, New Jersey
631
0.48
108 Tarrant County, Texas
113
0.01
110 Tazewell County, Illinois
--
--
102 Thurston County, Washington
117
0.07
110 Tippecanoe County, Indiana
--
--
108 Travis County, Texas
83
0.01
86 Tulare County, California
783
0.25
57 Turner County, South Dakota
61
0.71
78 Van Buren County, Michigan
245
0.35
110 Ventura County, California
--
--
110 Vigo County, Indiana
--
--
107 Virginia Beach city, Virginia
70
0.02
61 Walworth County, Wisconsin
462
0.62
110 Washington County, Minnesota
--
--
108 Washington County, Oregon
20
0.01
106 Washington County, Pennsylvania
63
0.03
88 Washtenaw County, Michigan
645
0.23
97 Waukesha County, Wisconsin
374
0.12
105 Wayne County, Michigan
769
0.04
78 Wayne County, New York
313
0.35
101 Weber County, Utah
124
0.08
97 Weld County, Colorado
156
0.12
48 Wexford County, Michigan
299
1.13
55 Whatcom County, Washington
984
0.77
42 Whiteside County, Illinois
963
1.6
102 Will County, Illinois
266
0.07
110 Williamson County, Texas
--
--
93 Wood County, Wisconsin
129
0.18
90 Woodbury County, Iowa
202
0.21
94 Worcester County, Massachusetts
1,229
0.17
110 Wright County, Iowa
--
--
68 Yakima County, Washington
943
0.5
98 Yamhill County, Oregon
74
0.11
110 Yolo County, California
--
--


* 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]