Christian Reformed Church in North America Counties (1980) [ 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
104 Ada County, Idaho
79
0.05
105 Adams County, Colorado
90
0.04
51 Addison County, Vermont
320
1.09
105 Alameda County, California
394
0.04
33 Alamosa County, Colorado
239
2.03
12 Allegan County, Michigan
5,478
6.72
104 Allen County, Indiana
152
0.05
97 Anchorage Municipality, Alaska
216
0.12
110 Antrim County, Michigan
--
--
64 Apache County, Arizona
379
0.73
97 Arapahoe County, Colorado
358
0.12
77 Barry County, Michigan
190
0.42
71 Beaufort County, North Carolina
211
0.52
102 Benton County, Oregon
46
0.07
95 Benton County, Washington
152
0.14
82 Bergen County, New Jersey
2,682
0.32
104 Bernalillo County, New Mexico
210
0.05
93 Berrien County, Michigan
266
0.16
110 Bexar County, Texas
--
--
101 Black Hawk County, Iowa
116
0.08
103 Boone County, Missouri
59
0.06
96 Boulder County, Colorado
243
0.13
92 Box Elder County, Utah
58
0.17
104 Brevard County, Florida
124
0.05
46 Brookings County, South Dakota
334
1.37
99 Broome County, New York
222
0.1
110 Broomfield County, Colorado
--
--
106 Broward County, Florida
341
0.03
110 Bulloch County, Georgia
--
--
110 Burlington County, New Jersey
--
--
31 Butler County, Iowa
490
2.77
110 Butler County, Ohio
--
--
83 Calhoun County, Michigan
440
0.31
87 Cerro Gordo County, Iowa
115
0.24
107 Champaign County, Illinois
34
0.02
15 Charles Mix County, South Dakota
591
6.11
36 Charlevoix County, Michigan
390
1.96
48 Cherry County, Nebraska
84
1.24
110 Cheshire County, New Hampshire
--
--
110 Chester County, Pennsylvania
--
--
60 Chippewa County, Michigan
242
0.83
28 Chippewa County, Minnesota
457
3.06
110 Clackamas County, Oregon
--
--
110 Clark County, Nevada
--
--
101 Clark County, Washington
153
0.08
83 Clay County, South Dakota
42
0.31
110 Clinton County, Michigan
--
--
107 Cobb County, Georgia
51
0.02
102 Coconino County, Arizona
52
0.07
37 Columbia County, Wisconsin
837
1.94
105 Contra Costa County, California
275
0.04
87 Cook County, Illinois
12,795
0.24
110 Coos County, Oregon
--
--
73 Cottonwood County, Minnesota
72
0.48
105 Cuyahoga County, Ohio
635
0.04
110 Dakota County, Minnesota
--
--
109 Dallas County, Texas
76
0
100 Dane County, Wisconsin
276
0.09
110 Davidson County, Tennessee
--
--
110 DeKalb County, Georgia
--
--
106 Delaware County, Pennsylvania
139
0.03
110 Denton County, Texas
--
--
70 Denver County, Colorado
2,587
0.53
29 Deuel County, South Dakota
159
3.01
106 District of Columbia, District of Columbia
178
0.03
92 Dodge County, Wisconsin
129
0.17
110 Douglas County, Colorado
--
--
106 Douglas County, Nebraska
129
0.03
2 Douglas County, South Dakota
951
22.75
80 DuPage County, Illinois
2,324
0.35
110 Durham County, North Carolina
--
--
103 Dutchess County, New York
142
0.06
108 Duval County, Florida
58
0.01
98 Eaton County, Michigan
95
0.11
95 El Paso County, Colorado
422
0.14
108 El Paso County, Texas
60
0.01
93 Elkhart County, Indiana
223
0.16
110 Emmet County, Michigan
--
--
32 Emmons County, North Dakota
161
2.74
110 Erath County, Texas
--
--
107 Fairfax County, Virginia
117
0.02
49 Fond du Lac County, Wisconsin
1,076
1.21
110 Fort Bend County, Texas
--
--
107 Franklin County, Ohio
212
0.02
110 Freeborn County, Minnesota
--
--
107 Fresno County, California
108
0.02
110 Fulton County, Georgia
--
--
24 Gallatin County, Montana
1,625
3.79
106 Genesee County, Michigan
115
0.03
110 Grand Traverse County, Michigan
--
--
83 Grant County, Washington
152
0.31
110 Grays Harbor County, Washington
--
--
14 Grundy County, Iowa
930
6.47
110 Guilford County, North Carolina
--
--
110 Gwinnett County, Georgia
--
--
109 Hamilton County, Ohio
42
0
22 Hancock County, Iowa
586
4.24
47 Hardin County, Iowa
288
1.32
109 Harris County, Texas
29
0
107 Hartford County, Connecticut
147
0.02
104 Hennepin County, Minnesota
510
0.05
110 Herkimer County, New York
--
--
107 Hinds County, Mississippi
48
0.02
108 Honolulu County, Hawaii
45
0.01
110 Hudson County, New Jersey
--
--
66 Huron County, Ohio
342
0.63
20 Hutchinson County, South Dakota
409
4.37
63 Idaho County, Idaho
110
0.74
83 Ingham County, Michigan
860
0.31
55 Ionia County, Michigan
505
0.97
90 Isabella County, Michigan
109
0.2
69 Island County, Washington
244
0.55
101 Jackson County, Michigan
122
0.08
108 Jackson County, Missouri
83
0.01
21 Jasper County, Indiana
1,120
4.28
22 Jasper County, Iowa
1,544
4.24
103 Jefferson County, Colorado
210
0.06
109 Jefferson County, Kentucky
15
0
26 Jewell County, Kansas
187
3.57
88 Johnson County, Iowa
183
0.22
110 Johnson County, Kansas
--
--
30 Kalamazoo County, Michigan
6,278
2.96
39 Kanabec County, Minnesota
213
1.75
19 Kandiyohi County, Minnesota
1,637
4.45
86 Kankakee County, Illinois
260
0.25
110 Kendall County, Illinois
--
--
91 Kenosha County, Wisconsin
217
0.18
8 Kent County, Michigan
40,115
9.02
105 Kern County, California
167
0.04
102 King County, Washington
951
0.07
60 Kings County, California
610
0.83
110 Kings County, New York
--
--
110 Kitsap County, Washington
--
--
101 La Crosse County, Wisconsin
71
0.08
68 Lake County, Indiana
2,918
0.56
110 Lancaster County, Nebraska
--
--
110 Lane County, Oregon
--
--
65 Lapeer County, Michigan
452
0.65
90 Larimer County, Colorado
305
0.2
104 Lee County, Florida
99
0.05
103 Lewis and Clark County, Montana
25
0.06
110 Lincoln County, Oregon
--
--
110 Lincoln County, South Dakota
--
--
100 Linn County, Iowa
154
0.09
103 Los Angeles County, California
4,147
0.06
110 Lucas County, Ohio
--
--
11 Lyon County, Iowa
927
7.19
108 Macomb County, Michigan
81
0.01
10 Mahaska County, Iowa
1,916
8.38
77 Mahnomen County, Minnesota
23
0.42
79 Manatee County, Florida
556
0.37
104 Maricopa County, Arizona
801
0.05
106 Marion County, Indiana
221
0.03
7 Marion County, Iowa
2,827
9.53
96 Marion County, Oregon
265
0.13
110 Marquette County, Michigan
--
--
110 Mason County, Michigan
--
--
110 McHenry County, Illinois
--
--
44 McKinley County, New Mexico
841
1.49
70 Mecosta County, Michigan
195
0.53
110 Merced County, California
--
--
110 Mesa County, Colorado
--
--
110 Miami-Dade County, Florida
--
--
108 Middlesex County, Massachusetts
137
0.01
110 Middlesex County, New Jersey
--
--
17 Mille Lacs County, Minnesota
948
5.14
110 Milwaukee County, Wisconsin
--
--
53 Minnehaha County, South Dakota
1,103
1.01
4 Missaukee County, Michigan
1,831
18.29
110 Mitchell County, Kansas
--
--
110 Monroe County, Michigan
--
--
100 Monroe County, New York
610
0.09
60 Monroe County, Ohio
144
0.83
90 Montcalm County, Michigan
96
0.2
106 Montgomery County, Maryland
176
0.03
108 Montgomery County, Ohio
55
0.01
110 Montgomery County, Pennsylvania
--
--
105 Morris County, New Jersey
143
0.04
106 Multnomah County, Oregon
148
0.03
27 Murray County, Minnesota
381
3.31
34 Muskegon County, Michigan
3,163
2.01
110 Napa County, California
--
--
108 New York County, New York
79
0.01
13 Newaygo County, Michigan
2,332
6.68
61 Newton County, Indiana
121
0.82
18 Nobles County, Minnesota
1,006
4.61
110 Norfolk city, Virginia
--
--
110 Norfolk County, Massachusetts
--
--
110 North Slope Borough, Alaska
--
--
106 Oakland County, Michigan
332
0.03
6 O'Brien County, Iowa
1,666
9.82
110 Ocean County, New Jersey
--
--
35 Oceana County, Michigan
436
1.98
110 Oklahoma County, Oklahoma
--
--
107 Onondaga County, New York
103
0.02
105 Orange County, California
779
0.04
105 Orange County, Florida
196
0.04
91 Orange County, New York
460
0.18
9 Osceola County, Iowa
716
8.55
43 Osceola County, Michigan
287
1.52
92 Otsego County, Michigan
25
0.17
94 Otsego County, New York
89
0.15
3 Ottawa County, Michigan
30,256
19.25
108 Outagamie County, Wisconsin
16
0.01
99 Palm Beach County, Florida
587
0.1
59 Passaic County, New Jersey
3,804
0.85
90 Pennington County, South Dakota
139
0.2
110 Penobscot County, Maine
--
--
38 Perkins County, South Dakota
87
1.85
110 Philadelphia County, Pennsylvania
--
--
25 Phillips County, Kansas
276
3.73
103 Pierce County, Washington
270
0.06
104 Pima County, Arizona
274
0.05
107 Pinellas County, Florida
173
0.02
5 Pipestone County, Minnesota
1,694
14.49
110 Placer County, California
--
--
58 Plymouth County, Iowa
216
0.87
107 Polk County, Florida
56
0.02
102 Polk County, Iowa
208
0.07
78 Polk County, Minnesota
131
0.38
42 Pondera County, Montana
108
1.6
110 Providence County, Rhode Island
--
--
109 Queens County, New York
70
0
86 Racine County, Wisconsin
441
0.25
101 Ramsey County, Minnesota
385
0.08
50 Renville County, Minnesota
224
1.1
110 Richland County, South Carolina
--
--
110 Richmond County, New York
--
--
107 Riverside County, California
124
0.02
16 Rock County, Minnesota
563
5.26
110 Rockingham County, New Hampshire
--
--
105 Rockland County, New York
98
0.04
107 Sacramento County, California
191
0.02
102 Saginaw County, Michigan
150
0.07
103 Salt Lake County, Utah
364
0.06
80 San Bernardino County, California
3,148
0.35
103 San Diego County, California
1,101
0.06
106 San Francisco County, California
191
0.03
76 San Joaquin County, California
1,490
0.43
66 San Juan County, New Mexico
510
0.63
110 San Luis Obispo County, California
--
--
110 San Mateo County, California
--
--
110 Sangamon County, Illinois
--
--
110 Santa Barbara County, California
--
--
105 Santa Clara County, California
513
0.04
102 Scott County, Iowa
108
0.07
110 Scott County, Minnesota
--
--
110 Seminole County, Florida
--
--
110 Shasta County, California
--
--
41 Sheboygan County, Wisconsin
1,624
1.61
1 Sioux County, Iowa
7,916
25.69
110 Siskiyou County, California
--
--
56 Skagit County, Washington
597
0.93
110 Smith County, Kansas
--
--
86 Snohomish County, Washington
837
0.25
109 Solano County, California
5
0
110 Somerset County, Maine
--
--
110 Sonoma County, California
--
--
105 Spokane County, Washington
140
0.04
74 St. Croix County, Wisconsin
202
0.47
101 St. Joseph County, Indiana
194
0.08
110 St. Joseph County, Michigan
--
--
110 St. Louis city, Missouri
--
--
108 St. Louis County, Missouri
142
0.01
110 St. Lucie County, Florida
--
--
72 Stanislaus County, California
1,363
0.51
89 Stearns County, Minnesota
228
0.21
84 Stephenson County, Illinois
151
0.3
45 Stevens County, Minnesota
166
1.47
94 Story County, Iowa
109
0.15
110 Strafford County, New Hampshire
--
--
85 Suffolk city, Virginia
122
0.26
110 Suffolk County, Massachusetts
--
--
106 Suffolk County, New York
405
0.03
107 Summit County, Ohio
121
0.02
67 Sussex County, New Jersey
699
0.6
110 Tarrant County, Texas
--
--
110 Tazewell County, Illinois
--
--
97 Thurston County, Washington
152
0.12
74 Tippecanoe County, Indiana
577
0.47
110 Travis County, Texas
--
--
90 Tulare County, California
491
0.2
62 Turner County, South Dakota
69
0.75
75 Van Buren County, Michigan
305
0.46
110 Ventura County, California
--
--
102 Vigo County, Indiana
80
0.07
110 Virginia Beach city, Virginia
--
--
57 Walworth County, Wisconsin
642
0.9
95 Washington County, Minnesota
162
0.14
102 Washington County, Oregon
170
0.07
105 Washington County, Pennsylvania
92
0.04
91 Washtenaw County, Michigan
487
0.18
98 Waukesha County, Wisconsin
316
0.11
105 Wayne County, Michigan
860
0.04
84 Wayne County, New York
254
0.3
102 Weber County, Utah
105
0.07
96 Weld County, Colorado
159
0.13
54 Wexford County, Michigan
247
0.98
23 Whatcom County, Washington
4,497
4.21
40 Whiteside County, Illinois
1,069
1.62
110 Will County, Illinois
--
--
110 Williamson County, Texas
--
--
91 Wood County, Wisconsin
131
0.18
92 Woodbury County, Iowa
171
0.17
92 Worcester County, Massachusetts
1,129
0.17
52 Wright County, Iowa
174
1.07
81 Yakima County, Washington
566
0.33
110 Yamhill County, Oregon
--
--
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]