I see a lot of variety and different representation depending on area.
Top 10 Religious Bodies in US Metro Areas with 1M+ Population
Atlanta:
653,926----Catholic Church
652,227----Southern Baptist Convention
443,822----Non-Denominational Christian Churches(Evangelical)
115,656----Muslim Estimate
104,606----Nat'l Missionary Baptist Convention of America
104,000----Jewish Estimate
97,805-----Nat'l Baptist Convention, USA Inc
73,060-----Jehovah's Witnesses
57,400-----African Methodist Episcopal Church
53,538-----Church of God(Cleveland, Tennessee)
Austin:
428,877----Catholic Church
139,844----Non-Denominational Christian Churches(Evangelical)
116,435----Southern Baptist Convention
46,219-----United Methodist Church
38,000-----Jewish Estimate
29,549-----Church of Jesus Christ of Latter-Day Saints
22,758-----Muslim Estimate
19,128-----Jehovah's Witnesses
18,664-----Episcopal Church
12,604-----Nat'l Baptist Convention of America Int'l Inc
Baltimore:
352,305----Catholic Church
183,332----Non-Denominational Christian Churches(Evangelical)
123,000----Jewish Estimate
93,426-----Muslim Estimate
87,458-----United Methodist Church
36,608-----Southern Baptist Church
36,432-----African Methodist Episcopal Church
28,473-----Evangelical Lutheran Church in America
27,791-----Episcopal Church
26,262-----Nat'l Baptist Convention, USA Inc
Birmingham:
272,871----Southern Baptist Convention
148,010----Non-Denominational Christian Churches(Evangelical)
59,336-----United Methodist Church
53,004-----Catholic Church
45,885-----Nat'l Baptist Convention, USA Inc
24,300-----Nat'l Missionary Baptist Convention of America
14,919-----Episcopal Church
14,720-----African Methodist Episcopal Church
14,337-----Presbyterian Church in America
12,689-----Church of God(Cleveland, Tennessee)
Boston:
1,827,900--Catholic Church
284,000----Jewish Estimate
108,963----Muslim Estimate
73,672-----Non-Denominational Christian Churches(Evangelical)
48,202-----Episcopal Church
42,220-----United Church of Christ
28,178-----American Baptist Churches in the USA
26,668-----Jehovah's Witnesses
24,903-----United Methodist Church
23,465-----Assemblies of God, General Council of the
Buffalo:
505,341----Catholic Church
45,928-----Non-Denominational Christian(Evangelical)
30,636-----Muslim Estimate
16,305-----United Methodist Church
13,676-----Evangelical Lutheran Church in America
13,669-----Lutheran Church-Missouri Synod
11,551-----Church of God in Christ
9,007------Nat'l Baptist Convention, USA Inc
8,890------Nat'l Missionary Baptist Convention of America
8,074------American Baptist Churches in the USA
Charlotte:
320,816----Catholic Church
306,812----Southern
291,586----Non-Denominational Christian(Evangelical)
141,586----United Methodist Church
48,108-----Presbyterian Church(USA)
46,384-----Muslim Estimate
41,384-----African Methodist Episcopal Church
34,000-----Jewish Estimate
30,340-----Jehovah's Witnesses
23,103-----American Baptist Churches in the USA
Chicago:
2,750,946--Catholic Church
454,946----Muslim Estimate
415,758----Non-Denominational Christian(Evangelical)
315,000----Jewish Estimate
149,758----Nat'l Missionary Baptist Convention of America
101,784----Evangelical Lutheran Church in America
86,573-----Lutheran Church-Missouri Synod
82,911-----United Methodist Church
79,436-----Jehovah's Witnesses
68,408-----Assemblies of God, General Council of the
Cincinnati:
383,647----Catholic Church
360,542----Non-Denominational Christian(Evangelical)
89,197-----Southern Baptist Convention
43,198-----United Methodist Church
41,333-----Christian Churches and Churches of Christ
30,000-----Jewish Estimate
24,120-----Muslim Estimate
17,468-----Nat'l Missionary Baptist Convention of America
15,438-----Church of God(Cleveland, Tennessee)
13,245-----Church of Jesus Christ of Latter-Day Saints
Cleveland:
546,022----Catholic Church
213,546----Non-Denominational Christian(Evangelical)
54,000-----Jewish Estimate
37,092-----United Methodist Church
30,884-----Nat'l Missionary Baptist Convention of America
27,762-----Muslim Estimate
23,716-----American Baptist Churches in the USA
21,116-----Jehovah's Witnesses
19,180-----National Baptist Convention, USA Inc
19,049-----United Church of Christ
Columbus:
251,141----Catholic Church
223,044----Non-Denominational Christian(Evangelical)
59,1540----United Methodist Church
44,294-----Muslim Estimate
30,999-----Southern Baptist Convention
27,758-----Evangelical Lutheran Church in America
27,000-----Jewish Estimate
22,774-----Church of the Nazarene
19,859-----Christian Churches and Churches of Christ
17,346-----Association of Vineyard Churches
Dallas:
1,084,758--Catholic Church
904,238----Southern Baptist Convention
698,228----Non-Denominational Christian(Evangelical)
329,560----United Methodist Church
139,113----Muslim Estimate
105,071----Church of Jesus Christ of Latter-Day Saints
104,701----Assemblies of God, General Council of the
94,238-----Nat'l Missionary Baptist Convention of America
91,828-----Churches of Christ
85,000-----Jewish Estimate
Denver:
476,253----Catholic Church
187,076----Non-Denominational Christian(Evangelical)
67,000-----Jewish Estimate
63,656-----Church of Jesus Christ of Latter-Day Saints
24,129-----United Methodist Church
22,631-----Evangelical Lutheran Church in America
22,332-----Jehovah's Witnesses
21,096-----Southern Baptist Convention
14,577-----Lutheran Church-Missouri Synod
12,500-----Hindu Temples
Detroit:
816,791----Catholic Church
196,878----Muslim Estimate
190,012----Non-Denominational Christian(Evangelical)
95,712-----Nat'l Missionary Baptist Convention of America
82,000-----Jewish Estimate
63,306-----Lutheran Church-Missouri Synod
51,240-----National Baptist Convention, USA Inc
47,335-----United Methodist Church
42,086-----Assemblies of God, General Council of the
34,026-----Jehovah's Witnesses
Grand Rapids:
141,947----Catholic Church
73,274-----Non-Denominational Christian(Evangelical)
50,981-----Christian Reformed Church in North America
40,054-----Reformed Church in America
15,745-----United Methodist Church
14,325-----Wesleyan Church
11,170-----Lutheran Church-Missouri Synod
10,356-----Assemblies of God, General Council of the
8,448------Muslim Estimate
6,846------Jehovah's Witnesses
Indianapolis:
241,774----Catholic Church
166,606----Non-Denominational Christian(Evangelical)
70,321-----Christian Churches and Churches of Christ
60,610-----United Methodist Church
59,840-----Nat'l Missionary Baptist Convention of America
33,632-----Christian Church(Disciples of Christ)
33,607-----American Baptist Churches in the USA
22,989-----Muslim Estimate
21,578-----Southern Baptist Convention
15,420-----Church of Jesus Christ of Latter-Day Saints
Houston:
1,299,901--Catholic Church
800,688----Southern Baptist Convention
666,548----Non-Denominational Christian(Evangelical)
250,487----United Methodist Church
123,256----Muslim Estimate
94,362-----Nat'l Missionary Baptist Convention of America
85,938-----Church of Jesus Christ of Latter-Day Saints
82,608-----Jehovah's Witnesses
67,000-----Jewish Estimate
49,806-----Assemblies of God, General Council of the
Jacksonville:
257,224----Non-Denominational Christian(Evangelical)
208,226----Catholic Church
172,867----Southern Baptist Convention
31,068-----Nat'l Missionary Baptist Convention of America
25,000-----Jewish Estimate
24,330-----United Methodist Church
23,540-----Nat'l Baptist Convention, USA Inc
23,539-----African Methodist Episcopal Church
17,280-----Episcopal Church
16,684-----Church of Jesus Christ of Latter-Day Saints
Kansas City:
248,301----Catholic Church
151,522----Non-Denominational Christian(Evangelical)
136,010----Southern Baptist Convention
96,346-----United Methodist Church
36,065-----Church of Jesus Christ of Latter-Day Saints
33,988-----Assemblies of God, General Council of the
28,080-----Nat'l Missionary Baptist Convention of America
26,000-----Jewish Estimate
27,212-----Lutheran Church-Missouri Synod
21,050-----Muslim Estimate
Las Vegas:
592,671----Catholic Church
132,329----Church of Jesus Christ of Latter-Day Saints
66,000-----Jewish Estimate
54,868-----Non-Denominational Christian(Evangelical)
31,385-----Southern Baptist Convention
22,543-----Assemblies of God, General Council of the
22,462-----Jehovah's Witnesses
16,537-----Christian Churches and Churches of Christ
9,279------Mahayana Buddhism
7,231------Evangelical Lutheran Church in America
Los Angeles:
4,101,172--Catholic Church
617,000----Jewish Estimate
530,204----Non-Denominational Christian(Evangelical)
200,920----Southern Baptist Convention
198,134----Church of Jesus Christ of Latter-Day Saints
178,256----Muslim Estimate
146,638----Jehovah's Witnesses
135,839----Assemblies of God, General Council of the
81,964-----International Church of the Foursquare Gospel
78,107-----Church of God in Christ
Louisville:
152,452----Catholic Church
129,261----Southern Baptist Convention
56,783-----Christian Churches and Churches of Christ
48,696-----Non-Denominational Christian(Evangelical)
35,310-----United Methodist Church
20,274-----Progressive Nat'l Baptist Convention, Inc
15,760-----Nat'l Missionary Baptist Convention of America
13,187-----Muslim Estimate
12,208-----Nat'l Baptist Convention USA, Inc
10,079-----Church of Jesus Christ of Latter-Day Saints
Miami:
1,461,518--Catholic Church
525,000----Jewish Estimate
468,230----Non-Denominational Christian(Evangelical)
186,098----Southern Baptist Convention
98,946-----Jehovah's Witnesses
54,118-----Nat'l Missionary Baptist Convention of America
49,747-----Seventh-Day Adventist Church
47,820-----Muslim Estimate
42,976-----Nat'l Missionary Baptist Convention of America
36,107-----United Methodist Church
Minneapolis:
731,331----Catholic Church
283,075----Evangelical Lutheran Church in America
126,450----Non-Denominational Christian(Evangelical)
106,566----Muslim Estimate
82,500-----Assemblies of God, General Council of the
60,000-----Jewish Estimate
55,914-----Lutheran Church-Missouri Synod
38,769-----United Methodist Church
31,078-----Lutheran Congregations in Mission for Christ
21,769-----Wisconsin Evangelical Lutheran Synod
Nashville:
241,757----Southern Baptist Convention
193,176----Non-Denominational Christian Churches(Evangelical)
122,614----Catholic Church
83,028-----Churches of Christ
80,731-----United Methodist Church
39,906-----Nat'l Missionary Baptist Convention of America
18,466-----Nat'l Baptist Convention, USA Inc
17,455-----Church of Jesus Christ of Latter-Day Saints
17,361-----Coptic Orthodox Church
16,208-----Assemblies of God, General Council of the
New Orleans:
535,141---Catholic Church
70,010----Non-Denominational Christian Churches(Evangelical)
68,164----Southern Baptist Convention
24,670----Nat'l Missionary Baptist Convention of America
24,006----United Methodist Church
17,620----Muslim Estimate
13,634----National Baptist Convention, USA Inc
9,680-----Jehovah's Witnesses
8,625-----Assemblies of God, General Council of the
8,540-----Episcopal Church
New York:
6,548,253--Catholic Church
1,912,000--Jewish Estimate
906,604----Muslim Estimate
466,202----Non-Denominational Christian(Evangelical)
166,996----Hindu Temples
165,000----Jehovah's Witnesses
144,343----American Baptist Churches in the USA
119,134----Episcopal Church
115,390----United Methodist Church
108,247----Seventh-Day Adventist Church
Oklahoma City:
210,008----Southern Baptist Convention
195,158----Non-Denominational Christian(Evangelical)
142,491----Catholic Church
76,087-----United Methodist Church
48,470-----Assemblies of God, General Council of the
25,160-----Church of God(Anderson, Indiana)
24,138-----Churches of Christ
18,819-----Church of Jesus Christ of Latter-Day Saints
15,463-----Church of the Nazarene
9,692------Jehovah's Witnesses
Orlando:
470,680----Catholic Church
297,464----Non-Denominational Christian(Evangelical)
103,821----Southern Baptist Convention
54,918-----Assemblies of God, General Council of the
41,000-----Jewish Estimate
39,812-----Jehovah's Witnesses
37,125-----United Methodist Church
35,458-----Seventh-Day Adventist
33,729-----Muslim Estimate
24,629-----Church of Jesus Christ of Latter-Day Saints
Philadelphia:
1,673,277--Catholic Church
310,000----Jewish Estimate
291,936----Non-Denominational Christian(Evangelical)
160,897----Muslim Estimate
112,838----United Methodist Church
87,749-----American Baptist Churches in the USA
74,139-----Evangelical Lutheran Church in America
58,152-----National Baptist Convention, USA Inc
52,473-----Episcopal Church
51,177-----Presbyterian Church(USA)
Phoenix:
1,111,635--Catholic Church
301,196----Church of Jesus Christ of Latter-Day Saints
291,970----Non-Denominational Christian(Evangelical)
113,000----Jewish Estimate
94,259-----Muslim Estimate
65,561-----Southern Baptist Convention
56,662-----Jehovah's Witnesses
49,580-----Assemblies of God, General Council of the
25,888-----Christian Churches and Churches of Christ
25,638-----United Methodist Church
Pittsburgh:
726,597----Catholic Church
119,352----Non-Denominational Christian(Evangelical)
92,393-----United Methodist Church
52,499-----Evangelical Lutheran Church in America
51,682-----Presbyterian Church(USA)
48,000-----Jewish Estimate
25,892-----American Baptist Churches in the USA
21,699-----Assemblies of God, General Council of the
19,000-----Hindu Temples
14,286-----Muslim Estimate
Portland:
296,662----Catholic Church
237,996----Non-Denominational Christian(Evangelical)
83,481-----Church of Jesus Christ of Latter-Day Saints
52,000-----Jewish Estimate
26,740-----Jehovah's Witnesses
23,316-----Seventh-Day Adventist Church
18,754-----Assemblies of God, General Council of the
17,201-----Evangelical Lutheran Church in America
15,264-----Christian Churches and Churches of Christ
15,000-----Hindu Temples
Providence:
636,185----Catholic Church
42,700-----Non-Denominational Christian(Evangelical)
33,000-----Jewish Estimate
17,027-----Episcopal Church
13,419-----American Baptist Churches in the USA
10,780-----Jehovah's Witnesses
8,723------Muslim Estimate
8,130------United Methodist Church
8,116------United Church of Christ
8,109------Assemblies of God, General Council of the
Raleigh:
174,695----Catholic Church
117,432----Non-Denominational Christian(Evangelical)
107,605----Southern Baptist Convention
68,508-----United Methodist Church
45,182-----Muslim Estimate
17,327-----Church of Jesus Christ of Latter-Day Saints
15,894-----Presbyterian Church(USA)
15,738-----Jehovah's Witnesses
13,720-----Nat'l Missionary Baptist Convention of America
11,301-----Assemblies of God, General Council of the
Riverside:
1,152,182--Catholic Church
240,062----Non-Denominational Christian(Evangelical)
108,532----Church of Jesus Christ of Latter-Day Saints
74,836-----Jehovah's Witnesses
67,400-----Southern Baptist Convention
59,778-----Seventh-Day Adventist Church
52,978-----Muslim Estimate
50,000-----Jewish Estimate
35,086-----Assemblies of God, General Council of the
26,540-----Church of God in Christ
Rochester:
281,880----Catholic Church
54,930-----Non-Denominational Christian(Evangelical)
25,678-----United Methodist Church
22,792-----Muslim Estimate
11,917-----American Baptist Churches in the USA
10,050-----Presbyterian Church(USA)
8,290------Church of Jesus Christ of Latter-Day Saints
8,000------Hindu Temples
6,894------Jehovah's Witnesses
6,763------Episcopal Church
Sacramento:
408,887----Catholic Church
111,672----Non-Denominational Christian(Evangelical)
75,384-----Church of Jesus Christ of Latter-Day Saints
45,960-----Muslim Estimate
43,059-----Assemblies of God, General Council of the
34,000-----Jewish Estimate
30,264-----Jehovah's Witnesses
25,757-----Southern Baptist Convention
15,262-----Evangelical Covenant Church
14,834-----Seventh-Day Adventist Church
St Louis:
596,728----Catholic Church
161,404----Non-Denominational Christian(Evangelical)
131,159----Southern Baptist Convention
78,218-----Lutheran Church-Missouri Synod
67,273-----United Methodist Church
54,612-----Nat'l Missionary Baptist Convention of America
36,441-----Muslim Estimate
35,441-----United Church of Christ
35,000-----Jewish Estimate
23,868-----National Baptist Convention, USA Inc.
Salt Lake City:
653,868----Church of Jesus Christ of Latter-Day Saints
112,914----Catholic Church
19,844-----Muslim Estimate
9,488------Non-Denominational Christian(Evangelical)
7,908------Assemblies of God, General Council of the
6,316------Jehovah's Witnesses
4,991------Southern Baptist Convention
3,450------Greek Orthodox Archdiocese of America
3,001------Mahayana Buddhism
2,571------Episcopal Church
San Antonio:
698,767----Catholic Church
220,484----Non-Denominational Christian(Evangelical)
148,996----Southern Baptist Convention
49,449-----United Methodist Church
34,652-----Church of Jesus Christ of Latter-Day Saints
32,250-----Jehovah's Witnesses
31,405-----Assemblies of God, General Council of the
17,000-----Jewish Estimate
14,272-----Lutheran Church-Missouri Synod
13,580-----Muslim Estimate
San Diego:
754,089----Catholic Church
184,246----Non-Denominational Christian(Evangelical)
94,000-----Jewish Estimate
68,148-----Church of Jesus Christ of Latter-Day Saints
50,816-----Muslim Estimate
46,936-----Jehovah's Witnesses
38,780-----Southern Baptist Convention
18,606-----Assemblies of God, General Council of the
15,654-----United Methodist Church
15,082-----Seventh-Day Adventist Church
San Francisco:
1,022,454--Catholic Church
201,000----Jewish Estimate
117,150----Non-Denominational Christian(Evangelical)
96,050-----Muslim Estimate
70,288-----Church of Jesus Christ of Latter-Day Saints
41,596-----Southern Baptist Convention
36,510-----Jehovah's Witnesses
30,569-----United Methodist Church
29,726-----Mahayana Buddhism
28,876-----Hindu Temples
San Jose:
543,699----Catholic Church
101,750----Non-Denominational Christian(Evangelical)
50,000-----Jewish Estimate
40,626-----Muslim Estimate
39,831-----Hindu Temples
28,251-----Church of Jesus Christ of Latter-Day Saints
17,376-----Jehovah's Witnesses
15,312-----Southern Baptist Convention
14,902-----Assemblies of God, General Council of the
11,558-----Mahayana Buddhism
Seattle:
568,190----Non-Denominational Christian(Evangelical)
442,998----Catholic Church
104,512----Church of Jesus Christ of Latter-Day Saints
78,000-----Jewish Estimate
72,987-----Assemblies of God, General Council of the
50,670-----Mahayana Buddhism
35,188-----Jehovah's Witnesses
32,109-----Evangelical Lutheran Church in America
24,607-----Muslim Estimate
23,000-----International Church of the Foursquare Gospel
Tampa:
734,490----Catholic Church
261,848----Non-Denominational Christian(Evangelical)
155,682----Southern Baptist Convention
82,494-----United Methodist Church
56,000-----Jewish Estimate
45,242-----Jehovah's Witnesses
25,318-----Nat'l Missionary Baptist Convention of America
22,761-----Muslim Estimate
20,586-----Church of God(Cleveland, Tennessee)
15,994-----Church of Jesus Christ of Latter-Day Saints
Tucson:
197,228----Catholic Church
58,850-----Non-Denominational Christian(Evangelical)
29,656-----Church of Jesus Christ of Latter-Day Saints
15,043-----Southern Baptist Convention
12,416-----Jehovah's Witnesses
10,566-----Muslim Estimate
8,918------Assemblies of God, General Council of the
6,870------Evangelical Lutheran Church in America
5,779------Church of the Nazarene
5,370------United Methodist Church
Urban Honolulu:
182,571----Catholic Church
41,888-----Church of Jesus Christ of Latter-Day Saints
34,644-----Mahayana Buddhism
30,480-----Non-Denominational Christian(Evangelical)
14,054-----Jehovah's Witnesses
13,736-----Assemblies of God, General Council of the
11,410-----United Church of Christ
10,969-----Southern Baptist Convention
9,594------International Church of the Foursquare Gospel
5,508------United Methodist Church
Virginia Beach:
203,120----Non-Denominational Christian(Evangelical)
149,082----Catholic Church
126,687----Southern Baptist Convention
67,645-----United Methodist Church
17,802-----Muslim Estimate
17,717-----National Baptist Convention, USA Inc.
17,438-----Episcopal Church
14,438-----Church of God in Christ
14,117-----Presbyterian Church
12,746-----Church of Jesus Christ of Latter-Day Saints
Washington DC:
1,025,790--Catholic Church
385,492----Non-Denominational Christian(Evangelical)
235,000----Jewish Estimate
212,671----Muslim Estimate
195,040----Southern Baptist Convention
185,153----United Methodist Church
74,162-----Episcopal Church
72,147-----Church of Jesus Christ of Latter-Day Saints
67,375-----African Methodist Episcopal Church
66,306-----American Baptist Churches in the USA
Sources:
The Association of Religious Data Archives(ARDA),
& Brandeis University, American Jewish Population Project
https://www.thearda.com/
https://ajpp.brandeis.edu/us_jewish_population_2020
Largest Religious Bodies in the United States by Adherents
Catholic Church-------------------------------------61,858,137
Non-Denominational Christian Churches----------21,095,641
Southern Baptist Convention-----------------------17,649,040
United Methodist Church-----------------------------8,018,629
Jewish Estimate---------------------------------------7,000,000
Church of Jesus Christ of Latter-Day Saints---------6,721,031
Muslim Estimate---------------------------------------4,453,908
Evangelical Lutheran Church in America-------------3,139,413
Assemblies of God------------------------------------3,094,547
Jehovah's Witnesses----------------------------------3,016,924
National Missionary Baptist Convention Inc----------2,428,820
Lutheran Church-Missouri Synod---------------------1,802,680
Episcopal Church--------------------------------------1,576,611
National Baptist Convention USA Inc----------------1,567,741
Presbyterian Church(USA)----------------------------1,491,775
Churches of Christ-------------------------------------1,422,331
Christian Churches and Churches of Christ-----------1,379,041
Seventh Day Adventist--------------------------------1,339,830
American Baptist Churches in the USA---------------1,259,804
African Methodist Episcopal Church-------------------1,059,888
United Church of Christ---------------------------------924,744
Hindu Temples-------------------------------------------831,229
Church of the Nazarene---------------------------------905,690
Church of God(Cleveland, Tennessee)-------------------868,446
Mahayana Buddhism-------------------------------------549,344