According to
The Association of Religion Data Archives statistics for 2010 there are 4,673,500 Catholics in Texas. There are 17 Baptist denominations in the state of Texas with a total listed membership of 3,958,751. That’s a difference of 714,749 people.
The SBC is the largest with 3,721,318 members. Next are:
National Baptist Convention of America, Inc. (historically black), 89,050
National Baptist Convention, USA, Inc. (historically black), 59,529
The American Baptist Association (Landmark Baptist), 39,354
National Missionary Baptist Convention, Inc. (historically black), 33,990
American Baptist Churches in the USA (mainline Protestant), 7,172
National Association of Free Will Baptists, 3,111
Progressive National Baptist Convention, Inc. (historically black), 2,683
Converge Worldwide (originally the Swedish-American General Baptist Conference), 1,320
North American Baptist Conference (founded as a German-American fellowship), 1,157
Seventh Day Baptist General Conference (sabbatarians), 67 (only 3 churches)
Alliance of Baptists (mainline Protestant) 9 churches, members not listed
Association of Reformed Baptist Churches of America, 3 churches
Conservative Baptist Association of America, 1 church
Full Gospel Baptist Church Fellowship (apparently Bapticostal), 52 churches
General Association of Regular Baptist Churches, 6 churches
Independent Baptist Fellowship International, 258 churches
Reformed Baptist Churches, 27 churches