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Reformed Church in America - Rankings by Area (Counties) [Metro-Areas] [States]

The Reformed Church in America, the oldest continuously existing Protestant church in the United States, perpetuates the religious life of the Dutch Reformed settlement of New Amsterdam (New York) in the seventeenth century. [View our profile of Reformed Church in America]

Using data from the 1980-2020 U.S. Religion Census, this list ranks U.S. Counties on the highest percent of the population in the Reformed Church in America. You can sort the list by clicking on the column headings.


Rank
2020
Rank
2010
Rank
2000
Rank
1990
Rank
1980
County Percent
2020
Percent
2010
Percent
2000
Percent
1990
Percent
1980
1 1 1 1 1 Sioux County, Iowa 30.78 32.96 35.71 35.96 34.44
9 6 4 6 2 Ottawa County, Michigan 9.70 12.62 15.29 14.12 21.23
6 7 2 2 3 Douglas County, South Dakota 12.31 12.45 18.21 22.55 18.29
3 3 3 3 4 Lyon County, Iowa 19.90 20.30 17.24 17.95 17.10
4 4 5 4 5 O'Brien County, Iowa 14.04 16.47 15.02 17.01 15.57
2 2 6 7 6 Marion County, Iowa 21.20 20.36 13.39 13.59 14.77
5 5 7 8 7 Rock County, Minnesota 13.46 13.71 12.41 11.89 11.09
11 13 9 9 8 Butler County, Iowa 8.28 7.48 11.19 11.28 10.75
8 8 8 10 9 Osceola County, Iowa 9.88 11.46 11.70 10.66 10.21
16 9 10 11 10 Turner County, South Dakota 5.41 10.39 9.39 9.49 9.56
12 11 13 16 11 Aurora County, South Dakota 7.06 9.15 7.68 7.62 8.84
7 10 11 13 12 Pipestone County, Minnesota 11.06 9.33 8.21 8.30 8.41
15 12 12 12 13 Chippewa County, Minnesota 6.42 7.78 8.06 8.92 8.15
60 45 27 21 14 Columbia County, New York 1.21 2.18 4.07 5.56 7.78
22 15 14 14 15 Bon Homme County, South Dakota 4.29 5.10 6.15 8.09 7.56
30 28 15 15 16 Grundy County, Iowa 2.95 3.79 5.88 8.00 7.16
21 14 25 20 17 Missaukee County, Michigan 4.64 5.69 4.40 5.82 6.80
23 17 16 18 18 Whiteside County, Illinois 4.28 4.96 5.61 6.16 6.66
17 35 40 26 19 Thurston County, Nebraska 5.35 2.78 3.20 4.82 6.58
48 33 18 28 20 Montgomery County, New York 1.74 2.82 5.09 4.56 6.45
27 25 21 25 21 Emmons County, North Dakota 3.63 4.08 4.64 4.88 6.34
32 24 24 24 22 Murray County, Minnesota 2.60 4.37 4.52 4.89 6.17
13 21 17 17 23 Jasper County, Indiana 7.02 4.48 5.23 6.33 5.93
50 36 33 29 24 Ulster County, New York 1.67 2.73 3.44 4.55 5.72
33 26 37 23 25 Lincoln County, South Dakota 2.39 4.05 3.30 5.17 5.55
59 42 38 35 26 Schenectady County, New York 1.23 2.32 3.29 4.06 5.43
34 20 21 30 27 Sheboygan County, Wisconsin 2.27 4.56 4.64 4.50 4.91
49 40 43 34 28 Kent County, Michigan 1.71 2.48 3.07 4.14 4.89
19 29 29 27 29 Mahaska County, Iowa 4.88 3.59 3.98 4.59 4.74
28 27 26 5 30 Allegan County, Michigan 3.36 4.00 4.20 16.78 4.68
35 37 23 22 31 Nobles County, Minnesota 2.22 2.63 4.60 5.34 4.61
57 47 44 41 32 Greene County, New York 1.32 2.06 2.68 3.77 4.49
20 16 19 19 33 Franklin County, Iowa 4.67 5.08 5.06 5.99 4.32
52 22 31 32 34 Hamlin County, South Dakota 1.49 4.45 3.79 4.32 4.04
26 41 34 38 35 Jasper County, Iowa 3.71 2.34 3.42 3.90 3.90
56 50 42 39 36 Newaygo County, Michigan 1.35 1.93 3.17 3.89 3.89
36 Jones County, South Dakota 3.89
62 53 48 46 38 Schoharie County, New York 1.11 1.63 2.24 2.89 3.81
29 30 28 36 39 Kalamazoo County, Michigan 3.11 3.36 3.99 4.01 3.78
75 34 35 122 40 Dodge County, Wisconsin 0.80 2.80 3.40 0.45 3.75
66 57 54 47 41 Somerset County, New Jersey 1.02 1.49 1.83 2.74 3.73
55 50 45 43 42 Phillips County, Kansas 1.36 1.93 2.59 3.45 3.72
38 32 41 42 43 Muskegon County, Michigan 2.01 2.90 3.19 3.59 3.64
42 54 49 45 44 Jackson County, Kentucky 1.80 1.59 2.20 3.06 3.63
14 23 20 40 45 Clay County, Iowa 6.46 4.40 4.69 3.85 3.26
65 60 60 57 46 Hunterdon County, New Jersey 1.04 1.42 1.77 2.01 3.22
18 19 29 37 47 Charles Mix County, South Dakota 5.06 4.60 3.98 3.97 3.20
25 31 36 44 48 Winnebago County, Iowa 3.72 3.10 3.33 3.39 3.14
52 31 49 Clark County, South Dakota 1.97 4.40 2.88
67 70 59 54 50 Albany County, New York 1.01 1.22 1.79 2.14 2.80
73 74 62 51 51 Wayne County, New York 0.83 1.01 1.65 2.26 2.72
68 58 61 52 51 Wright County, Iowa 0.98 1.44 1.70 2.22 2.72
40 59 63 77 53 Marshall County, South Dakota 1.90 1.43 1.63 1.30 2.57
74 67 51 53 54 Ogle County, Illinois 0.81 1.25 2.00 2.16 2.25
87 81 83 81 55 Columbia County, Wisconsin 0.51 0.88 1.03 1.25 2.22
78 71 55 58 56 Dutchess County, New York 0.78 1.20 1.82 1.99 2.17
41 48 76 71 57 Oceana County, Michigan 1.82 2.05 1.19 1.48 2.12
44 52 65 62 58 Fillmore County, Minnesota 1.78 1.90 1.56 1.80 2.05
78 69 70 64 58 Kossuth County, Iowa 0.78 1.23 1.42 1.71 2.05
91 85 83 70 60 Bergen County, New Jersey 0.49 0.77 1.03 1.52 2.03
52 56 57 55 61 LaMoure County, North Dakota 1.49 1.57 1.80 2.09 1.85
82 80 68 60 62 Rensselaer County, New York 0.62 0.93 1.48 1.83 1.83
71 66 72 60 62 Kandiyohi County, Minnesota 0.88 1.27 1.34 1.83 1.83
72 74 57 56 64 Leelanau County, Michigan 0.84 1.01 1.80 2.02 1.81
78 75 66 65 Hardin County, Iowa 0.94 1.27 1.61 1.75
84 77 81 72 66 Herkimer County, New York 0.57 0.97 1.08 1.46 1.73
61 74 67 50 67 Barry County, Michigan 1.19 1.01 1.49 2.34 1.71
47 44 46 49 68 Davison County, South Dakota 1.75 2.23 2.49 2.55 1.68
70 97 78 67 69 Seneca County, New York 0.89 0.58 1.18 1.60 1.67
107 100 96 89 70 Passaic County, New Jersey 0.32 0.50 0.74 0.98 1.65
51 55 55 63 71 Minnehaha County, South Dakota 1.63 1.58 1.82 1.75 1.63
102 81 74 90 71 Grant County, Minnesota 0.36 0.88 1.28 0.91 1.63
126 96 95 82 73 Island County, Washington 0.19 0.60 0.75 1.23 1.58
92 78 80 65 74 Antrim County, Michigan 0.46 0.94 1.13 1.62 1.54
117 108 91 85 75 St. Croix County, Wisconsin 0.24 0.41 0.78 1.10 1.43
37 38 39 48 76 Charlevoix County, Michigan 2.10 2.52 3.27 2.64 1.41
80 87 78 83 77 Whatcom County, Washington 0.77 0.72 1.18 1.21 1.39
85 89 89 77 78 Stephenson County, Illinois 0.56 0.68 0.88 1.30 1.37
90 106 104 77 79 Henderson County, Illinois 0.50 0.42 0.52 1.30 1.33
87 80 Deuel County, South Dakota 0.51 1.26
117 90 90 96 81 New York County, New York 0.24 0.64 0.80 0.76 1.25
97 92 92 87 82 Freeborn County, Minnesota 0.44 0.63 0.77 1.00 1.21
134 121 101 91 83 Orange County, New York 0.16 0.32 0.60 0.90 1.18
45 64 72 33 84 Fond du Lac County, Wisconsin 1.76 1.31 1.34 4.23 1.16
58 65 66 74 85 Brookings County, South Dakota 1.24 1.28 1.50 1.43 1.15
123 98 98 75 86 Sullivan County, New York 0.20 0.57 0.70 1.37 1.13
69 72 82 59 87 Yankton County, South Dakota 0.97 1.13 1.06 1.95 1.07
84 86 86 88 Gage County, Nebraska 0.81 1.00 1.05 1.00
92 99 99 96 89 Cerro Gordo County, Iowa 0.46 0.52 0.67 0.76 0.99
111 130 97 95 90 Fulton County, New York 0.27 0.27 0.71 0.81 0.97
83 49 53 72 91 Grand Traverse County, Michigan 0.59 1.95 1.95 1.46 0.91
86 67 71 68 92 Van Buren County, Michigan 0.55 1.25 1.41 1.55 0.90
107 114 120 92 93 Rio Arriba County, New Mexico 0.32 0.36 0.39 0.87 0.87
120 119 111 105 94 Monmouth County, New Jersey 0.23 0.33 0.44 0.65 0.86
75 73 87 93 95 Kankakee County, Illinois 0.80 1.06 0.91 0.86 0.85
36 43 69 84 96 Mason County, Michigan 2.18 2.26 1.45 1.11 0.80
148 93 92 98 97 Caddo County, Oklahoma 0.10 0.61 0.77 0.72 0.79
123 128 108 118 97 Morris County, New Jersey 0.20 0.28 0.48 0.50 0.79
123 133 113 108 99 Bucks County, Pennsylvania 0.20 0.24 0.42 0.60 0.78
92 104 113 111 100 Iroquois County, Illinois 0.46 0.45 0.42 0.55 0.77
163 124 104 103 101 Orange County, California 0.05 0.30 0.52 0.69 0.76
137 138 120 113 101 Middlesex County, New Jersey 0.14 0.23 0.39 0.53 0.76
96 101 103 109 103 Delaware County, New York 0.45 0.48 0.53 0.59 0.69
116 117 122 131 103 Westchester County, New York 0.25 0.34 0.37 0.41 0.69
105 106 106 107 105 Saratoga County, New York 0.34 0.42 0.50 0.61 0.68
141 140 136 115 106 Rockland County, New York 0.12 0.22 0.28 0.52 0.67
133 122 110 107 Carroll County, Illinois 0.24 0.37 0.57 0.63
186 200 167 142 108 Manatee County, Florida 0.02 0.03 0.13 0.31 0.62
135 101 102 106 109 Fulton County, Illinois 0.15 0.48 0.57 0.63 0.60
117 85 88 87 110 Burleigh County, North Dakota 0.24 0.77 0.89 1.00 0.59
31 39 64 100 110 Black Hawk County, Iowa 2.81 2.49 1.62 0.70 0.59
100 108 118 123 110 Midland County, Michigan 0.38 0.41 0.40 0.44 0.59
143 153 159 144 113 Hudson County, New Jersey 0.11 0.13 0.15 0.29 0.55
87 63 76 100 114 Woodbury County, Iowa 0.51 1.35 1.19 0.70 0.51
109 111 125 113 114 Otero County, New Mexico 0.30 0.38 0.35 0.53 0.51
111 114 118 119 116 Clinton County, Iowa 0.27 0.36 0.40 0.48 0.50
105 113 116 127 117 Lancaster County, Nebraska 0.34 0.37 0.41 0.43 0.48
45 46 50 76 118 Twin Falls County, Idaho 1.76 2.11 2.06 1.36 0.47
130 121 125 123 118 Barnes County, North Dakota 0.18 0.32 0.35 0.44 0.47
186 142 127 127 118 Tazewell County, Illinois 0.02 0.20 0.33 0.43 0.47
110 110 113 127 121 Chautauqua County, New York 0.29 0.39 0.42 0.43 0.46
130 167 149 133 122 Denver County, Colorado 0.18 0.08 0.19 0.40 0.44
126 133 124 138 122 Tippecanoe County, Indiana 0.19 0.24 0.36 0.33 0.44
81 83 94 100 124 Polk County, Iowa 0.67 0.84 0.76 0.70 0.41
123 127 127 125 Marathon County, Wisconsin 0.31 0.33 0.43 0.37
148 171 162 126 Wright County, Minnesota 0.10 0.07 0.14 0.36
158 153 151 149 127 Nassau County, New York 0.06 0.13 0.18 0.24 0.35
135 128 116 134 128 Riverside County, California 0.15 0.28 0.41 0.39 0.34
126 133 133 116 129 Wood County, Wisconsin 0.19 0.24 0.30 0.51 0.32
138 143 129 137 129 Cayuga County, New York 0.13 0.19 0.31 0.36 0.32
121 133 140 136 131 Washington County, New York 0.21 0.24 0.25 0.37 0.31
121 124 144 138 131 Jefferson County, New York 0.21 0.30 0.24 0.33 0.31
143 159 155 147 131 Olmsted County, Minnesota 0.11 0.11 0.16 0.25 0.31
177 171 159 149 134 Essex County, New Jersey 0.03 0.07 0.15 0.24 0.30
152 130 137 168 135 Ingham County, Michigan 0.07 0.27 0.26 0.14 0.29
158 157 136 Monroe County, Pennsylvania 0.06 0.12 0.28
141 145 144 149 137 San Joaquin County, California 0.12 0.17 0.24 0.24 0.27
137 Escambia County, Alabama 0.27
152 174 168 166 139 Cascade County, Montana 0.07 0.06 0.12 0.15 0.26
119 140 144 140 Lewis County, New York 0.33 0.25 0.29 0.25
134 123 141 Douglas County, Minnesota 0.29 0.44 0.24
143 150 162 152 142 Sacramento County, California 0.11 0.14 0.14 0.21 0.23
163 167 175 163 142 Monroe County, New York 0.05 0.08 0.10 0.17 0.23
152 161 155 155 144 Cook County, Illinois 0.07 0.10 0.16 0.20 0.22
177 174 162 176 144 Sarasota County, Florida 0.03 0.06 0.14 0.11 0.22
174 167 151 140 146 Walworth County, Wisconsin 0.04 0.08 0.18 0.32 0.21
42 60 162 155 146 Lake County, Indiana 1.80 1.42 0.14 0.20 0.21
152 161 168 155 146 Rock County, Wisconsin 0.07 0.10 0.12 0.20 0.21
126 103 106 140 149 Medina County, Ohio 0.19 0.46 0.50 0.32 0.20
100 111 140 158 150 Linn County, Iowa 0.38 0.38 0.25 0.19 0.17
206 178 161 150 Berrien County, Michigan 0.02 0.09 0.18 0.17
145 149 163 150 Wapello County, Iowa 0.17 0.19 0.17 0.17
177 167 171 169 150 Onondaga County, New York 0.03 0.08 0.11 0.13 0.17
158 174 154 176 150 Sussex County, New Jersey 0.06 0.06 0.17 0.11 0.17
177 194 195 180 150 San Bernardino County, California 0.03 0.04 0.06 0.10 0.17
152 147 137 134 156 Ocean County, New Jersey 0.07 0.16 0.26 0.39 0.15
174 159 171 180 156 Comanche County, Oklahoma 0.04 0.11 0.11 0.10 0.15
111 174 211 211 156 Washtenaw County, Michigan 0.27 0.06 0.03 0.03 0.15
156 Northampton County, Pennsylvania 0.15
177 187 176 160 Oneida County, New York 0.03 0.07 0.11 0.14
214 187 142 161 Pasco County, Florida 0.00 0.07 0.31 0.13
214 171 178 169 161 Calhoun County, Michigan 0.00 0.07 0.09 0.13 0.13
186 206 201 187 161 Maricopa County, Arizona 0.02 0.02 0.05 0.09 0.13
174 194 195 161 Arapahoe County, Colorado 0.04 0.04 0.06 0.13
161 Ramsey County, Minnesota 0.13
143 153 175 169 166 Douglas County, Nebraska 0.11 0.13 0.10 0.13 0.12
199 206 211 180 166 Orange County, Florida 0.01 0.02 0.03 0.10 0.12
150 129 152 168 Will County, Illinois 0.14 0.31 0.21 0.11
163 174 171 161 168 Oklahoma County, Oklahoma 0.05 0.06 0.11 0.18 0.11
102 132 146 174 168 Tulare County, California 0.36 0.26 0.22 0.12 0.11
174 187 174 168 Racine County, Wisconsin 0.06 0.07 0.12 0.11
199 200 211 197 168 Wayne County, Michigan 0.01 0.03 0.03 0.07 0.11
163 165 168 163 173 Yakima County, Washington 0.05 0.09 0.12 0.17 0.10
163 174 195 189 173 Los Angeles County, California 0.05 0.06 0.06 0.08 0.10
186 194 201 200 173 Cuyahoga County, Ohio 0.02 0.04 0.05 0.06 0.10
186 184 178 169 176 Suffolk County, New York 0.02 0.05 0.09 0.13 0.09
186 184 187 176 176 DuPage County, Illinois 0.02 0.05 0.07 0.11 0.09
199 184 184 189 176 Genesee County, Michigan 0.01 0.05 0.08 0.08 0.09
186 194 195 189 176 Snohomish County, Washington 0.02 0.04 0.06 0.08 0.09
186 200 207 189 176 Montgomery County, Pennsylvania 0.02 0.03 0.04 0.08 0.09
220 205 176 Pinellas County, Florida 0.02 0.04 0.09
97 114 129 158 182 Scott County, Iowa 0.44 0.36 0.31 0.19 0.08
199 184 187 180 182 Milwaukee County, Wisconsin 0.01 0.05 0.07 0.10 0.08
199 200 207 187 182 Union County, New Jersey 0.01 0.03 0.04 0.09 0.08
217 211 197 182 Waukesha County, Wisconsin 0.01 0.03 0.07 0.08
186 200 220 202 182 Pima County, Arizona 0.02 0.03 0.02 0.05 0.08
201 180 187 Winnebago County, Illinois 0.05 0.10 0.07
177 194 178 189 187 Stanislaus County, California 0.03 0.04 0.09 0.08 0.07
220 211 189 Burlington County, New Jersey 0.02 0.03 0.06
214 223 220 189 190 Franklin County, Ohio 0.00 0.00 0.02 0.08 0.05
205 190 Peoria County, Illinois 0.04 0.05
199 206 220 216 190 Hillsborough County, Florida 0.01 0.02 0.02 0.02 0.05
190 Dane County, Wisconsin 0.05
199 206 211 202 194 Broward County, Florida 0.01 0.02 0.03 0.05 0.04
214 206 211 205 194 Hennepin County, Minnesota 0.00 0.02 0.03 0.04 0.04
214 217 220 205 194 King County, Washington 0.00 0.01 0.02 0.04 0.04
217 220 216 194 Marion County, Indiana 0.01 0.02 0.02 0.04
214 223 220 216 194 Macomb County, Michigan 0.00 0.00 0.02 0.02 0.04
214 206 229 216 194 Sonoma County, California 0.00 0.02 0.01 0.02 0.04
214 223 229 216 194 Palm Beach County, Florida 0.00 0.00 0.01 0.02 0.04
132 138 233 211 201 San Francisco County, California 0.17 0.23 0.00 0.03 0.02
199 184 184 216 201 Santa Clara County, California 0.01 0.05 0.08 0.02 0.02
214 217 229 216 201 San Diego County, California 0.00 0.01 0.01 0.02 0.02
163 206 220 211 204 Alameda County, California 0.05 0.02 0.02 0.03 0.01
233 216 204 Oakland County, Michigan 0.00 0.02 0.01
177 204 Philadelphia County, Pennsylvania 0.03 0.01
69 207 Lake County, Minnesota 1.53 0.00
54 62 47 80 207 Gooding County, Idaho 1.41 1.40 2.47 1.26 0.00
94 207 Columbus County, North Carolina 0.84 0.00
98 207 Essex County, New York 0.72 0.00
104 207 Franklin County, New York 0.68 0.00
110 112 207 Lac qui Parle County, Minnesota 0.45 0.54 0.00
148 116 207 Scott County, Minnesota 0.20 0.51 0.00
138 140 129 119 207 Dakota County, Minnesota 0.13 0.22 0.31 0.48 0.00
148 150 111 121 207 Pike County, Pennsylvania 0.10 0.14 0.44 0.47 0.00
123 207 Clinton County, Michigan 0.44 0.00
214 174 134 131 207 Collin County, Texas 0.00 0.06 0.29 0.41 0.00
151 153 155 146 207 Richmond County, New York 0.09 0.13 0.16 0.28 0.00
143 148 151 147 207 Queens County, New York 0.11 0.15 0.18 0.25 0.00
163 174 178 152 207 Hamilton County, Indiana 0.05 0.06 0.09 0.21 0.00
163 161 159 158 207 Yavapai County, Arizona 0.05 0.10 0.15 0.19 0.00
158 161 175 166 207 Jefferson County, Colorado 0.06 0.10 0.10 0.15 0.00
163 148 155 169 207 El Paso County, Colorado 0.05 0.15 0.16 0.13 0.00
158 184 178 180 207 Cass County, North Dakota 0.06 0.05 0.09 0.10 0.00
186 200 201 180 207 Johnson County, Kansas 0.02 0.03 0.05 0.10 0.00
194 201 189 207 Mercer County, New Jersey 0.04 0.05 0.08 0.00
199 206 207 189 207 Bronx County, New York 0.01 0.02 0.04 0.08 0.00
174 184 197 207 Washington County, Wisconsin 0.06 0.08 0.07 0.00
177 184 187 200 207 Kings County, New York 0.03 0.05 0.07 0.06 0.00
202 207 Placer County, California 0.05 0.00
214 206 211 205 207 Wake County, North Carolina 0.00 0.02 0.03 0.04 0.00
205 207 Santa Barbara County, California 0.04 0.00
206 211 211 207 Fulton County, Georgia 0.02 0.03 0.03 0.00
199 211 216 207 San Mateo County, California 0.01 0.03 0.02 0.00
214 233 216 207 Dallas County, Texas 0.00 0.00 0.02 0.00
216 207 Mobile County, Alabama 0.02 0.00
216 207 Lee County, Florida 0.02 0.00
216 207 Lake County, Illinois 0.02 0.00
216 207 Jackson County, Missouri 0.02 0.00
214 223 233 230 207 Middlesex County, Massachusetts 0.00 0.00 0.00 0.01 0.00
214 231 207 Multnomah County, Oregon 0.00 0.00 0.00
207 Erie County, New York 0.00
214 223 233 231 Miami-Dade County, Florida 0.00 0.00 0.00 0.00
24 18 32 Dickinson County, Iowa 3.80 4.62 3.76
114 124 85 Los Alamos County, New Mexico 0.26 0.30 1.02
97 105 100 Dallas County, Iowa 0.44 0.44 0.64
75 88 108 Delaware County, Ohio 0.80 0.69 0.48
137 Wayne County, Pennsylvania 0.26
132 144 140 Johnson County, Iowa 0.17 0.18 0.25
92 117 147 Madera County, California 0.46 0.34 0.21
199 157 162 Frederick County, Maryland 0.01 0.12 0.14
152 165 171 St. Charles County, Missouri 0.07 0.09 0.11
199 184 187 Ada County, Idaho 0.01 0.05 0.07
214 187 Denton County, Texas 0.00 0.07
199 184 195 Allen County, Indiana 0.01 0.05 0.06
186 195 Williamson County, Tennessee 0.02 0.06
201 Adams County, Colorado 0.05
186 184 207 Sedgwick County, Kansas 0.02 0.05 0.04
214 229 Tarrant County, Texas 0.00 0.01
104 90 Van Wert County, Ohio 0.35 0.64
39 93 Plymouth County, Iowa 1.93 0.61
64 93 Warren County, Iowa 1.08 0.61
127 Grant County, South Dakota 0.29
177 217 Fresno County, California 0.03 0.01
217 Contra Costa County, California 0.01
214 223 Gwinnett County, Georgia 0.00 0.00
10 McIntosh County, North Dakota 8.37
63 Emmet County, Iowa 1.10
114 Camp County, Texas 0.26
138 Story County, Iowa 0.13
163 Boulder County, Colorado 0.05
163 Camden County, New Jersey 0.05
186 Berks County, Pennsylvania 0.02
199 Kern County, California 0.01
199 Fort Bend County, Texas 0.01
214 St. Louis County, Missouri 0.00
214 Davidson County, Tennessee 0.00
214 Bexar County, Texas 0.00
214 Harris County, Texas 0.00
214 Montgomery County, Texas 0.00
214 Pierce County, Washington 0.00
                     

Note that data collection methods for religious bodies change over time, affecting the comparability of statistics. For further information, see the U.S. Religion Census website at https://www.usreligioncensus.org/.

The 2020 data were collected by the Association of Statisticians of American Religious Bodies (ASARB) and include data for 373 religious bodies or groups. Of these, the ASARB was able to gather data on congregations and adherents for 217 and on congregations only for 156.

[More information on the data sources]

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