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