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

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]