Catholic States (1980)

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Using data from the 1980 Churches and Church Membership Study, this list ranks U.S. states on the highest total number of adherents and the highest percent of the population in the Catholic Church. You can sort the list by clicking on the column headings. Most historically African American denominations are not included in the 1980 congregation and membership totals.

Congregational "adherents" include all full members, their children, and others who regularly attend services.

[More information on the data source]

Complete List

Ranking	State	Adherents	Percent
44	Alabama	106,123	2.7
36	Alaska	38,338	9.5
23	Arizona	485,025	17.8
47	Arkansas	56,911	2.4
19	California	4,759,250	20.1
29	Colorado	403,399	14.0
3	Connecticut	1,390,607	44.8
25	Delaware	103,060	17.3
34	Florida	926,923	11.4
45	Georgia	140,687	2.6
17	Hawaii	210,000	21.8
38	Idaho	70,476	7.5
9	Illinois	3,600,705	31.5
32	Indiana	724,188	13.2
21	Iowa	539,482	18.6
28	Kansas	337,077	14.3
35	Kentucky	365,277	10.0
10	Louisiana	1,304,084	31.0
14	Maine	275,876	24.5
24	Maryland	736,361	17.5
2	Massachusetts	3,040,435	53.0
16	Michigan	2,043,483	22.1
13	Minnesota	1,041,781	25.6
42	Mississippi	95,096	3.8
27	Missouri	800,228	16.3
22	Montana	140,415	17.9
18	Nebraska	332,849	21.2
30	Nevada	110,105	13.8
10	New Hampshire	285,436	31.0
4	New Jersey	2,958,499	40.2
6	New Mexico	435,241	33.4
5	New York	6,257,786	35.6
49	North Carolina	94,743	1.6
12	North Dakota	174,046	26.7
15	Ohio	2,433,745	22.5
43	Oklahoma	109,197	3.6
33	Oregon	320,716	12.2
8	Pennsylvania	3,881,444	32.7
1	Rhode Island	602,907	63.7
48	South Carolina	59,027	1.9
20	South Dakota	138,387	20.0
46	Tennessee	114,916	2.5
26	Texas	2,339,937	16.4
41	Utah	59,831	4.1
11	Vermont	156,596	30.6
40	Virginia	284,293	5.3
37	Washington	380,023	9.2
39	West Virginia	105,346	5.4
7	Wisconsin	1,544,817	32.8
31	Wyoming	62,315	13.3

Source

The data presented in this list were collected by the Glenmary Research Center and include statistics for 111 Judeo-Christian church bodies, including number of churches and adherents. Bernard Quinn, Herman Anderson, Martin Bradley, Paul Goetting and Peggy Shriver supervised the collection. These data originally appeared in Churches and Church Membership in the United States, 1980, published by the Glenmary Research Center.

[More information about this data source]