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

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]